All RF Glossary Terms

0-9 1 GHz 1 Kelvin Stage 1.0mm Connector 1.5 Tesla 1.8 GHz Band 1.85mm Connector 1.9 GHz Band 1/2 Rate 1/3 Rate 1/f Noise 1+0 Configuration 1+1 Configuration 1+1 HSB 1+1 Protection 10 Gigabit Ethernet 10 mK Stage 10.0 GHz Band 10.5 GHz Band 10% Roll-Off 100 GHz Spacing 100 mK Stage 100.0 GHz Band 100GbE 1024 QAM (CATV) 1024-QAM (Detail) 1024QAM 106-Tone RU 10g SAR 11.0 GHz Band 11.7 GHz Band 110.0 GHz Band 12-Term Error Model 12.2 GHz Band 12.7 GHz Band 120.0 GHz Band 125 kHz 128-APSK 128B130B 13.0 GHz Band 130.0 GHz Band 1310 nm 14.0 GHz Band 14.5 GHz Band 140.0 GHz Band 15.0 GHz Band 150 kHz 150.0 GHz Band 1550 nm 16-APSK 16-QAM (Detail) 16QAM 17.0 GHz Band 170.0 GHz Band 18 GHz (EMC) 18.0 GHz Band 180-Degree Hybrid 19.0 GHz Band 1G 2-Step RACH 2.1 GHz Band 2.3 GHz Band 2.4mm Connector 2.5 GHz Band 2.5D EM Simulation 2.5D Integration 2.6 GHz Band 2.92mm Connector 2/3 Rate 2+0 Configuration 20% Roll-Off 200 kHz Channel 200.0 GHz Band 21 cm Line 21.0 GHz Band 220.0 GHz Band 23.0 GHz Band 24 GHz Radar 242-Tone RU 25.0 GHz Band 250 kHz 250.0 GHz Band 256 QAM 256-APSK 256-QAM (Detail) 256QAM 25G PON 25GbE 26-Tone RU 26.0 GHz Band 275.0 GHz Band 28.0 GHz Band 29.0 GHz Band 2D CFAR 2DEG 2G 2x996-Tone RU 3 dB Beamwidth (Link) 3 dB Point 3 dB Point 3 Tesla 3-Axis CNC 3-Way Doherty 3.4 GHz Band 3.5 GHz Band 3.5mm Connector 3.7 GHz Band 3.8 GHz Band 3/4 Rate 30 MHz 30-Minute Average 300.0 GHz Band 31.0 GHz Band 32-APSK 32.0 GHz Band 320 MHz Channel 32T32R 360-Degree Termination 37.0 GHz Band 38.0 GHz Band 39.0 GHz Band 3D Building Model 3D Cavity 3D EM Simulation 3D Integration 3D Printed Antenna 3D Printed Feed 3D Printed Waveguide (Manufacturing) 3D Printing (RF) 3D-Printed Waveguide 3G 3GPP 3GPP 38.901 3GPP Channel Model 3GPP Path Loss Model 3GPP TR 36.873 3GPP2 3R Regeneration 4 Kelvin Stage 4-Axis CNC 4-Step RACH 4.3-10 Connector 4.5 GHz Band 4.9 GHz Band 40 GHz (EMC) 400GbE 400ZR 4096 QAM 4096-QAM (Detail) 40GbE 42.0 GHz Band 43.0 GHz Band 45-Degree Bend 47.0 GHz Band 48.0 GHz Band 484-Tone RU 4B5B 4D Radar 4G 4G LTE 4G/5G Antenna (Auto) 5-Axis CNC 5.0 GHz Band 5.9 GHz Band 5/6 Rate 5% Roll-Off 50 GHz Spacing 50 Ohm 50-Ohm Load 50.0 GHz Band 500 kHz 50G PON 52-Tone RU 52.0 GHz Band 55.0 GHz Band 57.0 GHz Band 58.0 GHz Band 59.0 GHz Band 5G (Network) 5G Antenna Module 5G Core 5G Core Network 5G Filter 5G LDPC Rate Matching 5G LNA 5G NR 5G NSA 5G NTN 5G Polar Rate Matching 5G Positioning 5G Power Amplifier 5G Protocol Stack 5G RAN 5G SA 5G-V2X 5GC 6 GHz (EMC) 6 GHz Band 6-Minute Average 6.4 GHz Band 6.7 GHz Band 60 GHz 60% Fresnel Clearance 64-APSK 64-QAM (Detail) 64.0 GHz Band 64B66B 64QAM 64T64R 66.0 GHz Band 6G 6G Research 6G Use Cases 6G Vision 7 Tesla 7-16 DIN Connector 7-24 GHz 7.1 GHz Band 7.5 GHz Band 7/8 Rate 71.0 GHz Band 75 Ohm 76-81 GHz Band 76.0 GHz Band 77 GHz 77 GHz Radar 79 GHz Radar 8-Term Error Model 8.0 GHz Band 8.5 GHz Band 8/9 Rate 800GbE 802.11 802.11a 802.11ac 802.11ad 802.11ah 802.11ax 802.11ay 802.11b 802.11be 802.11bf 802.11g 802.11i 802.11mc 802.11n 802.11p 802.15.4z 802.16 81.0 GHz Band 86.0 GHz Band 8B10B 8D Report 8PSK 9 kHz 90-Degree Bend 90-Degree Hybrid 900 MHz Band 92.0 GHz Band 95.0 GHz Band 99.99% 99.999% 996-Tone RU

a A-Sandwich Radome A1 Event A1 Interface A2 Event A2DP A2LA A3 Event A4 Event A5 Event AARGM ABC abcd-matrix Above Rooftop Above-Resonance Circulator Abrasive Waterjet ABS (Almost Blank Subframe) Absolute Gain Absolute Mode Absorber Absorber Layout Absorber Performance Absorber Tip Material Absorbing Boundary Absorption Bandwidth Absorption Cross Section Absorption Loss Absorptive Filter Absorptive Switch AC Analysis AC Coupling AC_BE AC_BK AC_VI AC_VO AC-DC Converter (RF) ACA Accelerated Life Test Acceleration Factor Acceptance Number Acceptance Testing Access Access and Mobility Management Access Category Access Switch ACCP Accreditation Accumulation Mode ACLR (ET) ACLR Measurement ACM (DVB) ACM (Link) ACM (Satellite) ACMA Acoustic Load acpr ACPR Measurement Acrylic Conformal Action Frame Activation Energy Active Antenna (EMC) Active Antenna System Active Antenna Unit Active Bias Active BWP Active Constellation Extension Active Electronically Scanned Array Active Element Pattern Active Element Pattern Method Active FET Mixer Active Impedance Active Impedance Matching Active Load Modulation Active Load Pull Active Microwave Active Mixer Active Mode (WiFi) Active Multiplier Active PFC Active Phased Array Active Reflection Coefficient Active RFID Active RIS Active Seeker active-antenna Adapter Adapter Characterization Adapter Removal (Technique) Adaptive Antenna Adaptive Beamforming Adaptive CFAR Adaptive Clutter Cancellation Adaptive Cruise Control Adaptive Data Rate (LoRa) Adaptive Equalization (CATV) Adaptive Equalizer Adaptive Filter Adaptive Mesh Adaptive MODCOD Adaptive MTI Adaptive Optics Adaptive Sidelobe Canceller Adaptive Weights ADAS ADC Add-Drop (Link) Add-Drop Filter Additive Manufacturing (Waveguide) Adhesive Bonding Adiabatic Demagnetization Refrigerator Adiabatic Flux Pulse Adiabatic Pulse Adjacent Channel Adjacent Channel Leakage Adjacent Channel Leakage Ratio Adjacent Channel Power Adjacent Satellite Interference Admission Control Admittance (Math) Admittance Measurement Admittance Smith Chart ADR ADS ADS Netlist ADSS Advanced Design System Advanced Driver Assistance Advanced Potential AEC-Q100 AEC-Q101 AEC-Q200 Aegis Combat System Aerial Plant Aeronautical Radionavigation Aerosol Jet Printing AES-CCMP AESA Architecture AESA Radar AFR AFRL AGC AGC Attack Time AGC Decay Time AGC Range AGC Threshold AGC Time Constant Age of Information Aggregate Interference Aggregation Level Aggregation Node Agile Synthesizer Aging (Oscillator) AI Antenna Design AI Circuit Optimization AI Filter Design AI for RF AI-Assisted Design AI-Enabled EW AI-Enhanced CSI AI/ML for 5G AIFS AiP (Antenna in Package) Air Cavity Package Air Discharge Air Flow Air Line Air Stripline Air Traffic Control Band Air Traffic Control Radar Air-Dielectric Cable Air-Filled Coax Air-Filled SIW Airborne Antenna Airborne MTI Airbridge Airbus Defence AirFuel Airline Airport Network Airport Surveillance Radar Airy Function AIS Alamouti Code Alarm Indication Signal ALC ALC Loop ALD AlGaN/GaN HEMT Aliasing Aliasing Error (NF) All-Dielectric Cable All-Digital PLL All-Indoor All-Outdoor All-Pass All-Sky Map Allan Deviation Allan Variance Allegro Allocated Bandwidth Allowed NSSAI AlN Device Alnico Alodine Alodine (Waveguide) Aloha Alpha-Epsilon Ratio Alternate Channel Altiostar Altitude Testing Altium Designer Alumina Substrate Aluminized Mylar Aluminum Aluminum Deposition Aluminum Gallium Nitride Aluminum Nitride (Semiconductor) Aluminum Nitride Ceramic Aluminum Nitride Substrate Aluminum Wire AM AM-AM Conversion AM-AM Distortion AM-AM Measurement AM-PM Conversion AM-PM Distortion AM-PM Measurement AM/FM Antenna Amateur 23cm Amateur 2m Amateur 70cm Amateur Microwave Amateur Radio Band Amateur Satellite Amazon Braket Amazon Kuiper Amazon Kuiper (Company) Ambient IoT Ambient RF Harvesting Ambient Temperature Ambiguity Function Ambiguity-Aware Waveform AMC (Adaptive Modulation and Coding) AMF AMI Amorphous Core Ampere Ampere's Law Amphenol Amplifier Amplifier Design Amplify-and-Forward Amplitude Amplitude Compensation Amplitude Dispersion Amplitude Imbalance Amplitude Modulation Amplitude Modulator (Optical) Amplitude Ripple Amplitude Shift Keying Amplitude Taper Amplitude vs Temperature Amplitude-Compensated Combiner Amplitude-Only Synthesis AMPS AMQP AN/APG-79 AN/APG-81 AN/APG-83 AESA AN/SPY-6 AN/TPY-2 Analog Beamforming Analog Cancellation Analog Computing (RF) Analog Devices Analog Optical Link Design Analog Phase Shifter (System) Analog Photonic Link Analog Precoding Analog Predistortion Analog Section Analog to Digital Converter Resolution Analog Variable Attenuator Analog-to-Digital Converter Analytic Signal AND Rule Andreev Qubit Anechoic Chamber Anechoic Chamber (Meas) ANFR Angiography Angle Diversity Angle Diversity Antenna Angle Diversity Improvement Angle Diversity Improvement (Detail) Angle FFT Angle of Arrival Angle of Arrival (Propagation) Angle of Departure (Propagation) Angle-Delay Domain Angstrom Angular Momentum (EM) Angular Resolution (Auto) Angular Spread Angular Tolerance Anharmonicity Anisotropic Medium Anisotropy (Substrate) Annealing Annual Outage Annular Ring Annular Ring Patch Annular Ring Rule Anode (Tube) Anodizing Anodizing (Manufacturing) Anomalous Propagation Anomalous Propagation (Detail) Anomaly Detection (Network) Anritsu Anritsu BTS Master Anritsu MS4647B Anritsu ShockLine Anritsu Site Master Anritsu VectorStar ANSI ANSI C63.4 ANSI C63.5 ANSYS HFSS ANSYS Icepak ANSYS SIwave Antenna Antenna (Link) Antenna Aiming Antenna Alignment Antenna Alignment (Link) Antenna Aperture Antenna Array Antenna Array Element Antenna Array Thinning Antenna Beamforming Antenna Controller Antenna Coupling Antenna Directivity Antenna Discrimination Antenna Discrimination (Detail) Antenna Diversity Antenna Efficiency Antenna Efficiency Measurement Antenna Envelope Antenna Factor Antenna Factor (EMC) Antenna Foundation Antenna Gain Antenna Gain (Link) Antenna Gain (System) Antenna Gain Pattern Antenna Height Antenna Ice Loading Antenna Impedance Antenna Magus Antenna Manufacturing Antenna Mask Antenna Mast Antenna Measurement Range Antenna Measurement System Antenna Measurement Uncertainty Antenna Miniaturization Antenna Model (EMC) Antenna Noise Temperature Antenna Pattern Antenna Pattern Measurement Antenna Pedestal Antenna Placement Antenna Pointing Antenna Polarization Antenna Positioner Antenna Positioning System Antenna Q Antenna Range Antenna Registration Antenna Selection Antenna Servo Antenna Switch Antenna Temperature Antenna Temperature (Space) Antenna Test Range Antenna Tilt Antenna Tower Antenna Wind Load Antenna-to-Antenna Coupling Anti-Alias Filter (System) Anti-Aliasing Filter Anti-Cocking Flange Anti-Multipactor Coating Anti-Pad Anti-Radiation Missile Anti-Resonance Anti-Symmetry Antiferromagnetic Antipodal Finline Antipodal Finline (Design) AoA (5G) AoD (5G) AOI AP Steering Aperiodic Array Aperture Aperture Coupling (EMC) Aperture Diffraction Aperture Efficiency Aperture Jitter Aperture Leakage Aperture Synthesis Aperture Synthesis Radiometer Aperture Transition Aperture-Coupled Patch API Gateway API Technologies Application Layer Application Note Application Notes (EDA) APSK AQL (Acceptance Quality Level) Aramid Arbitrary Waveform Generator Arbitrary Waveform Generator (Quantum) Arbitration IFS Arc Burns Archimedean Spiral Architectural Constraint Arcjet Area Monitor Area Throughput ARINC ARL Arlon 25N Armored Cable ARP5583 ARQ Array Bandwidth Array Element Array Factor Array Factor Synthesis Array Manifold Array Manufacturing Array Panel Array Port Array Response Vector Arrhenius Model Arrow Artificial Magnetic Conductor Artwork AS5553 AS6004 AS6006 AS6008 AS6081 AS6171 AS6496 AS9100 AS9102 AS923 ASI C/N ASIL ASIL A ASIL B ASIL C ASIL D Aspect Ratio (Via) Aspect Ratio (Waveguide) Assembly Drawing Assembly Drawing (EDA) Assembly Layer Assembly Rule Assignment Fidelity Associated Legendre Function Association Request Association Response AST SpaceMobile Asymmetric Doherty Asymptotic Method ATCA ATIS ATM ATM Radio Atmospheric Attenuation (Radar) Atmospheric Fade Atmospheric Loss Atmospheric Loss (Link) Atmospheric Margin Atmospheric Profile Atmospheric Sounding Atmospheric Turbulence Atmospheric Window Atomic Clock Atomic Layer Deposition Atomic RF Sensor Attention Mechanism (RF) Attenuation Attenuation (Transmission Line) Attenuation Constant (Waveguide) attenuation-constant Attenuator Attenuator (Cryogenic) Attenuator (Measurement) Attenuator IC Attenuator Pad Attitude Control Attofarad Attribute Sampling AU915 Auger Analysis Auracast AUSF AuSn Solder Authentication Authentication Frame Auto-Place Auto-Router Auto-Tracking Autoclave Process Autocorrelation Autoencoder (RF) Autofocus (SAR) Automated Design Automatic Emergency Braking Automatic Fixture Removal Automatic Gain Control Automatic Gain Control (Radar) Automatic Level Control Automatic Level Control (System) Automotive Antenna Automotive Antenna (Detail) Automotive EMC Automotive EMC (Detail) Automotive Emissions Automotive Emissions Limits Automotive Grade Automotive Immunity Automotive Pulse Automotive Qualification (RF) Automotive Radar Automotive Radar (Detail) Automotive Radar Band Automotive Susceptibility Levels Automotive Temperature Autonomous Driving Autonomous EW Autotrack Antenna Auxiliary Channel Auxiliary Stability Analysis Availability (Network) Availability Analysis Availability Target Available Gain Available Gain (Math) Available Gain Design Available Power Available Time Avalanche Diode Avalanche Photodiode Average Detector Average Detector (EMC) Average Fade Duration Average Power (Thermal) Average Power Rating Average Power Sensor Average Value Averaging Averaging (VNA) Avionics EMC AWG (Optical) AWR Microwave Office AWR Netlist AWS Band Axial Ratio Axial Ratio Measurement Axial Ratio Pattern Axial-Mode Helix Azimuth Azimuth Positioner Azimuth-Elevation Mount

b B-Sandwich Radome B1 Event B1 Factor B1 Homogeneity B2 Event B8ZS BAA Babinet Principle Back End Back Grinding Back Lobe Back-Off Efficiency Backbone Backfire Helix Background Block Error Backhaul Backhaul (Telecom) Backscatter Coefficient Backscatter Communication Backward Crosstalk Backward Diode Backward Wave Backward-Wave Coupler Backward-Wave Oscillator Bacon-Shor Code BAE Systems BAg Bagley Polygon Divider Balanced Amplifier Balanced Attenuator Balanced Detector Balanced Line Balanced Measurement Balanced Mixer Topology Balanced Noise Figure Balanced Power Amplifier Balanced Return Loss Balanced S-Parameters Ball Bond Ball Bonding Ball Nose Mill Ball Shear Ballasting Ballistic Missile Defense Radar BAlSi Balun Balun (TL) Balun Design Band 1 (2100 MHz) Band 20 (800 MHz) Band 257 (28 GHz) Band 258 (26 GHz) Band 260 (39 GHz) Band 261 (28 GHz) Band 28 (700 MHz) Band 3 (1800 MHz) Band 41 (2500 MHz) Band 48 Band 7 (2600 MHz) Band 71 (600 MHz) Band 77 (3.7 GHz) Band 78 (3.5 GHz) Band 79 (4.7 GHz) Band Combination Band n1 Band n12 Band n2 Band n20 Band n25 Band n28 Band n3 Band n38 Band n40 Band n41 Band n48 Band n5 Band n66 Band n7 Band n70 Band n71 Band n77 (Detail) Band n78 (Detail) Band n79 (Detail) Band n8 Band Select Filter Bandgap Energy Bandgap Reference Bandpass Filter Bandpass Filter (Cryogenic) Bandpass Filter Design Bandpass Sampling Bandstop Filter Bandwidth Bandwidth (Antenna) Bandwidth (EMI) Bandwidth (ET) Bandwidth (Fundamental) Bandwidth (Isolator) Bandwidth (Network) Bandwidth (Photodiode) Bandwidth (Satellite) Bandwidth Factor Bandwidth Marker Bandwidth Part Bandwidth Test Bandwidth Variable Transponder Bare Die BARITT Diode Barium Ferrite Barium Titanate Barker Code Barkhausen Criterion Barrage Jamming Barrel Adapter Bartlett Beamformer Bartlett Method Base Bias Network Base Station Antenna Base Station Compliance Base Station Controller Base Temperature Base Transceiver Station Base-Loaded Monopole Baseband Baseband Processing Baseband Section Baseband Transmission Baseline Basic Safety Message Basic Trigger Basis Function Basis Pursuit Batch Record Bath Cryostat Bathtub Curve Battery (Satellite) Battery Backup Battery Directive Batwing Antenna Baud Rate BAW Filter Bayes Detection Bayesian Optimization (RF) Bayonet Bayonet Connector BB84 Protocol BBU BCH Code BCH Code (Detail) BCI Method BCI Probe BCJR Algorithm BCS Theory BCu Beacon Beacon Frame Beam Codebook Beam Controller Beam Correspondence Beam Failure Detection Beam Failure Recovery Beam Hopping Beam Management Beam Port Beam Recovery Beam Refinement Beam Report Beam Scheduling Beam Steering Unit Beam Sweeping Beam Tracking Beam Training Beamformer IC Beamforming Beamforming (5G) Beamforming (Ultrasound) Beamforming Network Beamwidth Beat Frequency Beat Signal (Auto) BeCu Cable Bed-of-Nails Behavioral Model BeiDou B1 BeiDou B2 Bel Belief Propagation Bell State Bellcore TR-332 Below Rooftop Below-Resonance Circulator Bench Cable Bend Discontinuity Bent-Pipe Transponder BER BER Curve Berlekamp-Massey BERT Beryllia Substrate Beryllium Copper Beryllium Copper Gasket Bessel Filter Bessel Filter (RF) Bessel Function Beta Factor Beta-Gallium Oxide Bethe Hole Coupler Between-Series Adapter Beyond 100 GHz Beyond 5G Beyond-Line-of-Sight BGA (RF) BGA Assembly BGA Rework Bhattacharyya Parameter Bi-Directional Coupler Bi-Static Sensing Bianisotropic Medium Bias Circuit Design Bias Decoupling Bias Feedback Bias Magnet Bias Network Bias Point Bias Point (Optical) Bias Sequencing Bias Tee Bias Tee (Connector) Biasing (Ferrite) Biaxial Medium BICM (Detail) BICM-ID BiCMOS Process Biconical Antenna Biconical Antenna (EMC) Bifilar Helix Bilateral Design Bilateral Finline Bilateral Matching Bill of Materials Bilog Antenna Binary Combiner Binary Divider Binary Integration Binder Jetting Binomial Transformer Binomial Weights Biological Effect BIPM Birdcage Coil BIS Bistatic Cross Section Bistatic Radar Bistatic Radar (Space) BIT Bit Error Rate (Fundamental) Bit Error Rate Tester Bit Interleaving Bit Loading Bit Rate Bit Selection BITE Black Anodize Black-Box Model Blackman Pulse Blackman Window Blade Antenna Blass Matrix BLAST BLE BLE 2M PHY BLE Advertising BLE Channel Map BLE Coded PHY BLE Connection BLE Connection Interval BLE Extended Advertising BLE Frequency Hopping BLE Periodic Advertising BLE Power Consumption BLE Range BLE Slave Latency BLE Supervision Timeout BLE Throughput BLER Blind Estimation Blind Source Separation Blind Speed Blind Spot Detection Blind Via Blindmate Connector Block ACK Block ACK Request Block Diagonalization Block Diagram Block Downconverter Block Error Rate Block Interleaver Block Upconverter Blockage Efficiency Blocking Blocking Switch Blown Fiber BLT Equation Blue Origin bluetooth Bluetooth 5.0 Bluetooth 5.1 Bluetooth 5.2 Bluetooth 5.3 Bluetooth 5.4 Bluetooth 6.0 Bluetooth Audio Bluetooth Backscatter Bluetooth Beacon Bluetooth Channel Sounding Bluetooth Classic Bluetooth Direction Finding Bluetooth Low Energy Bluetooth Mesh Bluetooth Pairing BMEWS BNC Connector Board Edge Clearance Board Outline Board-Level EMC Board-Level Shield Board-Mount Power Bode Plot Bode-Fano Limit Body Area Network Body Loss Body Phantom Boeing Bolometer Bolt-Down Package Boltzmann Constant BOM Bond Line Thickness Bond Pull Bond Wire Inductance Bonded Fin Bonding Bonding Resistance Bone Boost Converter Bootlace Lens Bootstrap Border Router Boresight Boresight Error Boresight Shift Boring Born Approximation Borosilicate Glass Bosonic Code Bosonic Qubit Boundary Element Method Boundary Scan Bow-Tie Antenna Box-Section Topology BPSK Braided Shield Brain Branch-Line Coupler Branching Loss Branching Unit Branchline Coupler Brass Brayton Cooler Braze Alloy Brazing Breakdown (PA) Breakdown Field Breakdown Voltage (Transistor) Breakdown Voltage (Waveguide) Breakout Board (Cryo) Brewster Angle Brick Architecture Brick Converter Bridge-Free Process Bridged-T Attenuator Bridger Amplifier Brightness Temperature Brightness Temperature (Space) Brillouin Sensing Broad Wall Broadband Broadband Absorber Broadband Amplifier (EMC) Broadband Coupler Broadband GaN Broadband Matching Broadband MMIC Broadband Transformer Broadband Wilkinson Broadcast Channel Broadcast Service Broadcast TWT Broadcom Broadside Array Broadside Coupling Broadside-Coupled Microstrip Broadside-Coupled Stripline Broadwall Slot Bruggeman BS Sensing BSIM BSM (Auto) BSRP Trigger BSS Coloring BST (Barium Strontium Titanate) Bubble Test BUC Buck Converter Buck-Boost Budget Analysis (Design) Buffer Amplifier Buffer Amplifier (Oscillator) Buffer Layer Buffer Status Report Buffer Status Report (WiFi) Build-Up Layer Building Data Building Entry Loss Built-In Test Bulk Current Injection Bulk Decoupling Bulkhead Connector Bump Bond (Quantum) Buried Via Burn-In Burn-In Testing Bus Resonator Butler Matrix Butler Matrix (Detail) Butterfly Stub Butterworth Filter Butterworth Filter (RF) BWP Switching BWP Timer Bypass Capacitor Bypass Capacitor (EMC) Bypass Guidelines

c C Filter (EMC) C-Band C-Band (Optical) C-Band (Satellite Allocation) C-Band (Satellite) C-Factor c-Init C-Sandwich Radome C-V2X C-V2X (Auto) C-V2X (Detail) C/I Ratio C/N Ratio C/N0 CA Bandwidth Class CA Configuration CA-CFAR CA-SCL Cable Amplifier Cable Analyzer Cable Assembly Cable Assembly Manufacturing Cable Bending Cable Bending Radius Cable Bundle Cable Cutting Cable EMC Cable EMC Model Cable Harness Simulation Cable Layout Cable Loss (Link) Cable Modem Cable Penetration Cable Routing Cable Shield (EMC) Cable Shield Grounding Cable Shield Termination Cable Shield Transfer Impedance Cable Shielding Cable Stripping Cable Sweep Cable Television Cable Tie Cable Velocity cable-loss Cable-Mount Connector Cable-to-Cable Coupling Cadence AWR Cadence Virtuoso CAGE Code Cage Dipole Calibration Calibration (Antenna) Calibration (Radiometer) Calibration (System) Calibration Certificate Calibration Data Calibration Interval Calibration Kit Calibration Standard Calibration Uncertainty Calorimeter CAM CAM Mode Camera EMI Campus Network Canonical Polyadic CAPA Capacitive Coupling Capacitive Coupling (Rotary) Capacitive Hat Capacitive Heating Capacitive Iris Capacitive Reactance Capacitively Loaded Dipole Capacitively Loaded Line Capacitively-Coupled Filter capacitor Capacitor Coupler Capacity Enhancement Capacity Planning Capacity Region Capon Beamformer Capture Area Capture Range Carbon Resistor (Cryo) Carbon-Loaded Foam Cardiac Ablation Cardiff Model Carrier Carrier Aggregation Carrier Amplifier Carrier Phase Positioning Carrier Power Carrier Recovery Carrier Sense Carrier Spacing Carrier Synchronization Carrier-to-Interference Ratio Carrier-to-Noise (CATV) Carrier-to-Noise Density Carrier-to-Noise Ratio (Fundamental) Cartesian Feedback Cascade Cascade Analysis Cascade Budget Cascaded Coupler Cascaded Gain Cascaded IP3 Cascaded Noise Cascaded P1dB Cascaded Quadruplet Cascaded Triplet Cascode Bias Cascode GaN Case A Case B Case C Case-to-Heat Sink CASH-CFAR Cassegrain Antenna Cast Waveguide Castellations Cat Qubit Cat-M1 Cat-NB1 Cat-NB2 Category (DO-160) Category H Category L Category M Cathode CATR CATV Causal Model Causality Cavity Combiner Cavity Duplexer Cavity Filter Cavity Frequency Meter Cavity Machining Cavity Mode (Housing) Cavity Perturbation Cavity QED Cavity Resonance (PDN) Cavity Resonator Cavity Resonator (Component) Cavity-Backed Slot Cavity-Backed Spiral CBRS CBRS Band CBRS Private CBS CCAP CCC (Car Connectivity Consortium) CCDF CCDP CCE CCF CCL CCM CCM (DVB) CDC ROADM CDM (ESD) CDMA CDMA (Network) CDMA (Satellite) CDR CE Marking Cell Averaging CFAR Cell ID Cell Layout Cell Library (EDA) Cell Reselection Cell Selection Cell Tower Health Cell Under Test Cell-Free Massive MIMO Cellular 700 MHz Cellular 850 MHz Cellular Backscatter Cellular V2X CENELEC Center Conductor Center Frequency Center Frequency (Math) Center Pin Assembly Center-Spreading Centerless Grinding Centimeter Centimeter-Level Accuracy Central Office Centralized Fusion Centralized RAN Centroid CEPT Ceramic Coaxial Resonator Ceramic Filter Ceramic Package Ceramic Substrate Ceramic-Filled PTFE Cernox Certification CFAR CFAR Loss CFD Analysis CFIE CFM CFO Compensation CFO Estimation CFP CFP2 CFP8 CFR Chaff Chaff Cloud Chaff Dispensing Chaff RCS Chain Combiner Chamfered Bend CHAMP Change Order Channel Aging Channel Bandwidth (Bands) Channel Bonding Channel Capacity Channel Dropping Filter Channel Emulator Channel Estimation Channel Impulse Response Channel Length Channel Plan Channel Power Measurement Channel Prediction Channel Quality Indicator Channel Select Filter Channel Spacing (Optical) Channel State Information Channel Temperature Channel Temperature (Thermal) Channel Tracking Channelized Architecture Channelized Receiver Channelizer Channelizer (Passive) Chaotic Radar Characteristic Angle Characteristic Impedance Characteristic Impedance (Even) Characteristic Impedance (Odd) Characteristic Impedance (Waveguide) Characteristic Mode Analysis Charcoal Sorb Charge Pump Charge Qubit Charging Energy Chase Combining Chassis Chebyshev Filter (RF) Chebyshev Filter (Type I) Chebyshev Filter (Type II) Chebyshev Taper Chebyshev Transformer Check Node Check Standard Chemical Analysis Chemical Etching Chemical Film Chemical Propulsion Cherenkov Radiation Chi-Squared Distribution Chien Search CHIP Chip Layout (Quantum) Chip Rate Chip-on-Board Chip-Scale Atomic Clock Chipless RFID Chiplet Chiral Medium Chirality (EM) Chireix Combiner Chirp Chirp Parameter Chirp Sequence Chirp Signal Chirp Spread Spectrum Choke Flange Chromate Conversion Chromatic Dispersion Chromatic Dispersion Compensation Chromic Anodize Chromium Chu Limit CI-OFDM CIC Filter Circuit Analog Absorber Circuit Depth Circuit Envelope Circuit QED Circuit-EM Co-Simulation Circulant Matrix Circular Buffer Circular Patch Circular Polarization Circular Polarization Feed Circular Waveguide Circular Waveguide Theory Circular-to-Rectangular Transition Circularly Polarized Circularly Polarized DRA Circulator Circulator (Cryogenic) Circulator (System) Circulator Bandwidth Circulator Design Circulator Manufacturing Circulator Tuning Cirq CISPR 11 CISPR 22 CISPR 25 CISPR 25 (Detail) CISPR 32 CISPR Detector CITIfile Clamping Voltage Clamshell Insert Clapp Oscillator Class 100 Class 1000 Class A Class A Amplifier Class A Bias Point Class AB Amplifier Class AB Bias Point Class B (CISPR) Class B Amplifier Class B Bias Point Class BJ Class C Amplifier Class C Bias Point Class D Amplifier Class E Amplifier Class E/F2 Class EF Class F Amplifier Class J Amplifier Class S Classes (CISPR) Clausius-Mossotti CLEAN Algorithm Cleanroom Clear Zone Clear-Air Fading Clearance Clearance Rule Clipping Clipping and Filtering clock Clock Divider Clock EMI Clock Recovery Clock Recovery (Optical) Closed Loop Automation Closed-Cycle Cryostat Closed-Loop Gain Closed-Loop Power Control Closed-Loop Tracking Cloud Attenuation Cloud Computing Cloud RAN Cloud RAN (Telecom) Cloud-RF Cluster (Multipath) Cluster Operation Cluster-Based Model Clutter Cancellation Clutter Data Clutter Map Clutter Model Clutter Notch Clutter Rank Clutter Ridge Clutter Suppression CMB CMB Polarization CML CMM Inspection CMN Thermometer cmos CMOS Circulator CMOS LNA Design CMOS Mixer Design CMOS PA CMOS PA Design CMOS PLL Design CMOS THz CMOS Transceiver CMOS VCO Design CMP CMRT CMT VNA CMTS CNC Machining CNC Milling CNOT Gate CNR (MRI) Co-Channel Co-Channel Dual Polarization Co-Channel Interference (Satellite) Co-Located MIMO Co-Pol Pattern Co-Polarization Co-Simulation Co-Simulation (EMC) Co-Site Interference CoAP Coax-to-CPW Transition Coax-to-Microstrip Transition Coax-to-Waveguide Coaxial Cable Coaxial Cable Loss Coaxial Cavity Coaxial Connector Coaxial Line Coaxial Method (Materials) Coaxial Rotary Joint Coaxial Termination Coaxial Test Cable Coaxial Wiring (Cryogenic) COB Cobham Advanced Electronic Solutions Cochlear Implant Code Acquisition Code Block Segmentation Code Block Size Code Combining Code Rate Code Rate (Detail) Code Tracking Code-Domain NOMA Codebook Codebook (CSI) Codebook-Based Beamforming Coding Gain Coefficient Extraction Coefficient of Thermal Expansion Coercive Force Coffin-Manson Equation Cognitive Electronic Warfare Cognitive OFDM Cognitive Radar Cognitive Radio Cognitive Radio (Defense) Cognitive Radio (System) Cognitive Radio Analysis Cognitive Waveform Coherence Area Coherence Bandwidth Coherence Length Coherence Time Coherence Time (Channel) Coherency Matrix Coherent Detection Coherent Gain Coherent Integration Coherent Jammer Coherent LiDAR Coherent Optical Coherent Receiver Coherent Scatter Radar Coin Technology Cold Cathode Cold Head Cold Load Cold Plate Cold Plate (Thermal) Cold Sky Cold Solder Joint Cold Target Cold Tuning Cole-Cole Model Collaborative Sensing Collector (Tube) Collector Bias Network Collision Avoidance Maneuver Collision Avoidance Radar Colocation Color Code Colorless Colpitts Oscillator Column Architecture Comb Filter Comb Generator Combination Wave Combined Amplitude-Phase Synthesis Combined Smith Chart Combined Stress Combiner (Link) Combiner (Outphasing) Combline (Design) Combline Filter COMINT Command and Control Command Guidance Comments (Touchstone) Commerce Control List Commercial Grade Commissioning Common Cause Failure Common Logarithm Common Path Distortion Common-Impedance Coupling Common-Mode (TL) Common-Mode Choke Common-Mode Choke (Power) Common-Mode Impedance Common-Mode Measurement Common-Mode Noise Common-Mode Noise (Power) Common-Mode Rejection Communication-Assisted Sensing CoMP Compact Antenna Test Range Compact Model Compact Model (Fab) Compact Polarimetry Compact Range Compact Range Measurement Compact Thermal Model CompactPCI Companding Comparison Method Complementary Split-Ring Complementary SRR (DGS) Complementary Structure Complex Averaging Complex Conjugate Complex Data Complex Impedance Complex Impedance (Meas) Complex Number Complex Permittivity Complex Zero Compliance Boundary Component Clearance Component Instance Component Kit Component Library Component Model Component Placement Component Shield Composite Fade Composite Fade Margin Composite Layup Composite Right/Left-Handed Composite Second Order Composite Triple Beat Compound Capacity Compound Slot Compress-and-Forward Compressed Block ACK Compressed CSI Compressed Feedback Compression Compression Connector Compression Curve Compression Marker Compression Molding Compression Point Compression Point (Mixer) Compression Point Measurement Compressive Sensing Compressor (Cryo) Computational Dosimetry Computational Electromagnetics Compute-and-Forward Compute-in-Sensor COMSOL Concatenation Concentricity Concession Conditional Handover Conditional MRI Safety Conditional Stability Conducted EMI (Power) Conducted Emissions Conducted Noise (Power) Conducted Susceptibility Conduction Cooling Conductive Adhesive Conductive Fabric Conductive Gasket Conductive Heat Load Conductive Substrate Conductivity Conductivity (Metal) Conductivity (Tissue) conductor Conductor Loss Conductor Surface Roughness Conductor Thickness Conductor-Backed CPW Confidence Value Configuration Item Configuration Management Configured Grant Configured NSSAI Conflict Minerals Conformable Cable Conformal Antenna Conformal Array Conformal Coat (Reliability) Conformal Coating Conformal FDTD Conformal Printing Congestion Congestion Control Conical Horn Conical Scan Conical Scan (Satellite) Conical-Scanning Radiometer Conjugate Match Conjugate Match (Math) Conjunction Assessment Connected Array Connected Car Connected Mode DRX Connected Mode Mobility Connection Density Connector Connector (Fiber) Connector Attachment Connector Durability Connector EMC Connector Frequency Range Connector Gauge Connector Interface Connector Loss Connector Mating Cycles Connector Phase Repeatability Connector Pin Connector Reference Plane Connector Standard Connector Torque Specification Constant False Alarm Rate Constant-Amplitude Zero-Autocorrelation Constant-B Circle Constant-G Circle Constant-Gain Circle Constant-Noise Circle Constant-R Circle Constant-X Circle Constellation Diagram Constrained Lens Constructive Interference Contact Contact Current Contact Discharge Contact Flange Contact Resistance Contact Resistance (EMC) Contactless Payment Contactless Rotary Contactless SIW Container Contention Resolution Contention Window Contention-Based Contention-Free Contentionless Continuous BIT Continuous Class F Continuous Heat Exchanger Continuous Mode PA Continuous Wavelet Transform Continuous-Flow Cryostat Continuously Variable Attenuator Continuum Observation Continuum Theory Contour Port Contour-Mode Resonator Control Chart Control Chip Control Electronics (Quantum) Control Interface Control Limit Control Plane Control Signaling Controlled Area Controlled Environment Controlled Impedance Controlled Ramp Convergence (DPD) Convergence (FEM) Convergence Analysis Conversion (S to Y) Conversion (S to Z) Conversion (Z to S) Conversion Gain (Mixer) Conversion Loss (Mixer) conversion-loss Converter EMI Convolution Convolutional Code Convolutional Interleaver Convolutional Neural Network (RF) Cool-Down Time Cooling Power Cooper Pair Cooperative Awareness Cooperative Communication Cooperative Maneuvering Cooperative Perception Cooperative Sensing Coordinated Multipoint Coordinated Scheduling Coordinated Turn Coordination Arc Coordination Contour Coordination Distance Coordination Threshold Coplanar Strip Coplanar Strips Coplanar Waveguide Coplanar Waveguide (TL) Coplanar Waveguide Resonator Copper Copper Adhesion Copper Loss Copper Mountain Copper Plating Copper Plating (Waveguide) Copper Pour Copper Powder Filter Copper Weight Copper Wire (Bond) Core Core Chip Core Loss Core Material (Magnetics) Core Material (Radome) Core Network Evolution Core Network Slicing Core Router CORESET Corner Bond Corner Case Corner Radar Corporate Combining Corporate Feed Corporate Feed Network Corrected Data Corrective Action Correlation (VLBI) Correlation Radiometer Correlation Radiometer (Space) Correlative Interferometer Corrugated Cable Corrugated Filter Corrugated Horn Corrugated Surface Corrugated Waveguide CoSaMP Cosine Pulse Cosine Taper Cosmic Microwave Background COST 231 Hata COST 231 Model COST 231 Walfish-Ikegami Costa Precoding Costas Loop COTS Coulomb Gauge Counter-Drone System Counter-UAS Counterfeit Parts Counterpoise Coupled Inductor Coupled Line Filter Coupled Microstrip Design Coupled Port Coupled Resonator Coupled-Cavity TWT Coupled-Line Coupler Coupler Coupler Design Coupler Frequency Coupler Loss Coupler Manufacturing Coupling (Fundamental) Coupling (Waveguide) Coupling Coefficient (Filter) Coupling Coefficient (TL) Coupling Factor Coupling Factor (Design) Coupling Gap Coupling Length Coupling Matrix Coupling Mechanism Coupling Path Coupling Q Coupling Strength coupling-coefficient Courant Condition Courtyard Covariance Matrix Cover Flange Coverage Enhancement Coverage Latitude Coverage Map Coverage Planning Coverage Prediction Coverage Probability Covered Microstrip Cp CP Decomposition CP-OFDM cPCI CPD CPE CPI (Communications & Power Industries) Cpk CPML CPR Flange CPRI CPW Design Equations CPW Gap (Design) CPW Ground Width CPW Impedance (Design) CPW Loss (Design) CPW Mode Analysis CPW Width CPW-to-SIW CQI Table CR 4/5 CR 4/6 CR 4/7 CR 4/8 CRC CRC Attachment CRC-Aided SC List Creep Crest Factor Crest Factor Reduction Crimp Connector Crimping Critical Angle Critical Current Critical Current (SC) Critical Field Critical Frequency Critical Temperature Critically Coupled CRLH Cross-Band Diversity Cross-Conduction Cross-Connect Cross-Correlation Cross-Coupled Oscillator Cross-Coupled Topology Cross-Coupling Cross-Entropy Benchmarking Cross-Eye Jamming Cross-Guide Coupler Cross-Junction Cross-Modulation Cross-Phase Modulation Cross-Phase Modulation Penalty Cross-Pol Discrimination Cross-Pol Jamming Cross-Pol Pattern Cross-Polarization Cross-Polarization Discrimination Cross-Polarization Discrimination (Prop) Cross-Polarization Interference Cross-Polarization Uncertainty Cross-Range Resolution Cross-Reference Cross-Resonance Gate Cross-Section Analysis Cross-Talk Benchmarking Cross-Terms Cross-Traffic Alert Crossed Dipole Crossed-Field Amplifier Crossover (Quantum) Crosspoint Switch Crosstalk Crosstalk (Fundamental) Crosstalk (VNA) Crosstalk Measurement Crosstalk Model Cryocooler Cryogen-Free System Cryogenic Amplifier Performance Cryogenic Attenuator Cryogenic Attenuator (Detail) Cryogenic Cable Cryogenic Circulator Cryogenic Filter Cryogenic Isolator Cryogenic LNA Cryogenic Noise Temperature Cryogenic Switch Cryogenic Temperature Cryogenic Termination Cryogenic Test Setup Cryogenic Vacuum Cryogenic Waveguide Cryogenic Wiring Cryogenic Wiring (Detail) Cryogenic Wiring Harness Cryogenics Cryostat Cryostat (Detail) Crystal Detector (Waveguide) Crystal Filter Crystal IF Filter Crystal Mount crystal-oscillator CSA CSAC CSI Feedback CSI Report CSI-RS CSI-RS Beam CSMA/CA CSMA/CD CSMF CSO CSP Assembly CST EMC CST Studio CT Scanner CTAT Circuit CTB CTE (Metal) CTE Mismatch CTIA CU CU (Central Unit) Cul-De-Sac Topology Cumulative Detection Probability Cumulative Exposure CuNi Cable Curie Temperature Current Distribution Current Gain (Math) Current Limiting Current Maximum Current Minimum Current Mirror (RF) Current Probe Current Ratio Current Regulator Current Return Current Sheet Array Current Statistical Model Current Wave Current Waveform Current-Based Method Current-Controlled Oscillator Current-Gain Cutoff Frequency Curve Fitting Curved Bend Curved Trace Custom Angle Bend Custom Pad Custom Waveguide Cutoff Frequency Cutoff Frequency (TL) Cutoff Wavelength Cutout CVD CW CW Max CW Min CW Power CW Radar CW Sensor CW Source CW Sweep CWDM Cyanate Ester Cyclic Prefix Cyclist Detection Cyclostationary Detection Cylinder Function Cylindrical Array Cylindrical DRA Cylindrical Grinding Cylindrical Model Cylindrical Near-Field Cylindrical Near-Field (Detail) Cylindrical Wave Cylindrical Wave Expansion CZ Gate

d D-Band D-Band Communication D-BLAST D-Layer D-Mode HEMT D0 DAA DAB Antenna DAC DAL A DAL B DAL C DAL D DAL E DAMA Damascene Damping DAPS Handover Dark Current Dark Fiber DARPA DAST Code Data Association Data File Formats Data Format (Touchstone) Data Frame Data Link Layer Data Sheet Data Trace Date Code dB DB Format dB/km dB/m dbc dBd dBFS dBFS (Detail) dBHz dBi dBm DBPSK (Sigfox) dBr DBR Laser DBS dBsm dBsm per square meter dBuV dBV dBW DC Analysis DC Bias Drift DC Block DC Feed DC Return DC SQUID DC Wiring (Cryo) DC-DC Converter (RF) DCI 0_0 DCI 0_1 DCI 1_0 DCI 1_1 DCI Format DDM-MIMO DDS DDS + PLL DDTC De-embedding De-Embedding (EM) De-Embedding (Math) De-Ramping Dead Time Dead Zone Deauthentication Debris Tracking Radar Debye Model (EM) Decade-Bandwidth Coupler Deception Jamming Decibel Decimation Filter Decision Region Decision Threshold Decision-Directed Declaration of Conformity Decode-and-Forward Deconvolution Decoupling Decoupling (EMC) Decoupling Capacitor Decoupling Strategy Decoy DECT DECT 2020 DECT NR+ Dedicated BWP Dedicated Short-Range Communication Deemed Export Deep Brain Stimulator Deep Class AB Deep Learning for RF Deep Learning Signal Processing Deep Space Calibration Deep Space Network Deep Space Probe Default BWP Defect Density Defect-Based Defected Ground Structure Degenerate Mode Degraded Minute Degree (ROADM) Degree Celsius Degree Distribution Degree Fahrenheit Degree of Polarization Degrees of Freedom (IA) Degrees-of-Freedom (STAP) Delay Spread Delay Variation Delay-Doppler Map Delivered Power Delta Channel Demand-Based Hopping Demodulation Demodulator Denied Parties List DENM Density Evolution Depaneling Depletion-Mode FET Depletion-Mode GaN Deployable Antenna Depolarization Deposition Depressed Collector Derating Curve Derivative Removal by Adiabatic Gate DESC Descrambler Desensitization Design Automation Design for Assembly (DFA) Design for Manufacturing (DFM) Design for Test (DFT) Design Kit Design Manual Design Rule Design Rule Check Design Rule Check (EDA) Despreading Destructive Interference Destructive Physical Analysis Detailed Thermal Model Detection Probability Detection Range Detection Threshold Detection Threshold (Radar Detail) Detectivity detector Detector (RF Device) Detector Mount Detector Sensitivity Detector Type Determinant Deterministic Model Deterministic Propagation Development Deviation Device Characterization (Fab) Device Model Device-to-Device Dewar Dewetting Df Tolerance Df vs Frequency DFB Laser DFT Codebook DFT Filter Bank DFT Spreading DFT-s-OFDM DGS DHCP DIA Diagnostic Coverage Diamagnetic Diamond (Semiconductor) Diamond Device Diathermy Dicke Radiometer Dicke Radiometer (Space) Dictionary Learning Die Attach Die Attach Epoxy Die Shear Die Singulation Die-to-Die Interface Dielectric Dielectric (Connector) Dielectric Constant Dielectric Constant (Substrate) Dielectric Heating (Biological) Dielectric Lens Antenna Dielectric Loss Dielectric Loss (EM) Dielectric Probe Dielectric Properties (Tissue) Dielectric RAM Dielectric Resonator Dielectric Resonator Antenna Dielectric Resonator Filter Dielectric Resonator Oscillator Dielectric Slab Waveguide Dielectric Thickness Dielectric Wakefield Accelerator Dielectric Waveguide Dielectric-Filled Coax Dielectric-Loaded SIW Dielectric-Loaded Waveguide Difference Channel Differential Detection Differential Encoding Differential Impedance Differential Insertion Loss Differential Line Differential Measurement Differential Mode (TL) Differential Oscillator Differential Pair Differential Pair Routing Differential Phase Shifter Differential Return Loss Differential S-Parameters Differential-Mode Choke Differential-Mode Noise Differential-Mode Noise (Power) Diffraction Coefficient Diffraction Loss Diffraction Radiation DiffServ Diffusion Diffusion Bonding Diffusion Pump Digi-Key Digisonde Digital Attenuator Digital Beamforming Digital Beamforming Antenna Digital Cancellation Digital Channelizer Digital Channelizer (Satellite) Digital Communication System Digital Down Converter Digital Full Scale Digital IF Digital Key Digital Oscilloscope Digital Phase Shifter (Component) Digital Phase Shifter (System) Digital Photonic Link Digital Pre-Distortion Digital Precoding Digital Predistortion Digital Predistortion (System) Digital Predistortion Algorithm Digital Radio Frequency Memory Digital Receiver Digital Section Digital Transponder Digital TTD Digital Twin (6G) Digital Twin (Network) Digital Twin (RF) Digital-IF Architecture Digital-to-Analog Converter Digitally Controlled Attenuator Digitally Driven Doherty Digitizer (Quantum) Dilution Refrigerator Dilution Refrigerator (Detail) Dimensional Inspection Dimensional Tolerance DIN Rail Power diode Diode Limiter Diode Mixer Diode Phase Shifter Diode Sensor Dip Brazing Diplexer Diplexer (System) Diplexer Design Diplexer Filter dipole Dipole Antenna Direct Capacitive Coupling Direct Commercial Sales Direct Connect Direct Conversion Direct Detection Direct Digital Synthesizer Direct Digital Synthesizer Module Direct Metal Laser Sintering Direct Port Direct Sequence Spread Spectrum Direct Solver Direct-Conversion Receiver Direct-Coupled Cavity Direct-Sampling Architecture Direct-to-Cell Directed Energy Weapon Directional Antenna Directional Coupler (Cryogenic) Directional Coupler (Measurement) Directional Coupler (Mfg) Directional Filter directional-coupler Directionless Directivity Directivity (Coupler) Directivity Measurement Director Element Dirty-Paper Coding DISA Disaggregated RAN Disassociation Discone Antenna Discrete Fourier Transform Discrete Heat Exchanger Discrete Wavelet Transform Dispersion Dispersion (Microstrip) Dispersion Budget Dispersion Diagram Dispersion Relations (EM) Dispersion-Shifted Fiber Dispersive Fade Margin Dispersive Fading (Link) Dispersive Readout Dispersive Regime Displaced Slot Displacement Current Displacement Damage Displacement Damage Dose Display EMI Display Range Disposable RF Distance-to-Fault Distortion Distributed Access Architecture Distributed Amplifier Distributed Circuit Model Distributed Decoupling Distributed Element Distributed FDMA Distributed Fusion Distributed GaN Distributed Matching Distributed MIMO Distributed MIMO (Radar) Distributed RAN Distributed Sensing Distribution Distribution Amplifier (CATV) Diversity (Propagation) Diversity Antenna Diversity Combining (HARQ) Diversity Gain Diversity Gain (Prop) Diversity Improvement Diversity Order Diversity Spacing Diversity Techniques Djordjevic-Sarkar Model Dk Tolerance Dk vs Frequency Dk vs Temperature DL-AoD DL-TDOA DLA DLP Printing DMLS DMRS DNL DNS DO-160 DO-160 Section 21 DO-160 Section 22 DO-160G DO-178 DAL DO-178C (Detail) DO-254 DO-254 (Detail) DOA Estimation DOCSIS DOCSIS 3.0 DOCSIS 3.1 DOCSIS 4.0 Doherty Amplifier Doherty Combiner Doherty Design Dolph-Chebyshev Weighting Domain Decomposition dominant-mode Doppler Doppler Beam Sharpening Doppler Bin Doppler Compensation Doppler FFT Doppler Frequency Doppler Processing Doppler Ranging Doppler Resolution Doppler Shift Doppler Shift (LEO) Doppler Spread Doppler Ultrasound Doppler Weather Radar Doppler-Compensated Dosimetry Double Conversion Double-Angle Evaporation Double-Balanced Mixer Double-Heterojunction HBT Double-Negative Material Double-Ridge Horn (EMC) Double-Ridge Waveguide Double-Stub Match Doubler Dowel Pin Down Converter Down-Spreading Downconversion (Quantum) Downconverter Downlink Downlink Budget Downlink C/N Downstream Doze State DP-IQ Modulator DPA DR Filter DR Insert DRA DRAG Pulse Drain Bias Network Drain Efficiency Drain Modulation Drain Voltage Drawing Drawn Waveguide DRC DRFM DRIE Drill File Drilling Drive Frequency Drive Line Drive Source Driven Element Driven Solution Driver (System) Driver Amplifier DRO Drone Classification Drone Detection Radar Droop Sharing Droopy Dipole Drop Drude Model DRX (Telecom) Dry DR Dry Etch DSB Noise Figure DSCC Drawing DSCP DSN DSP (Coherent) DSP-5 DSP-73 DSP-85 DSRC DSRC (Auto) DSS (Dynamic Spectrum Sharing) dsss DTED DTIM DU DU (Distributed Unit) Dual Connectivity Dual Damascene Dual-Axis Positioner Dual-Band Array Dual-Band BPF Dual-Band Component Dual-Channel ADC Dual-Channel Rotary Dual-Directional Coupler Dual-Drive MZM Dual-Function Radar-Communication Dual-Mode Filter Dual-Mode Horn Dual-Mode Seeker Dual-Modulus Prescaler Dual-Offset Reflector Dual-Pol Radar Dual-Polarization Dual-Polarization Antenna Dual-Polarization Feed Dual-Reflector Antenna Duality Principle Dualpol Patch Ducting Ducting (Detail) Dummy Port Duplex Duplex Chain Duplex Spacing Duplexer Duplexer (Link) Duplexer (System) Duty Cycle (Radar) Duty Cycle (Thermal) DVB-RCS DVB-RCS2 DVB-S DVB-S2 DVB-S2X DWDM Dwell Time Dyadic Green Function Dye Penetrant Inspection Dynamic Frequency Selection Dynamic Frequency Selection (DFS) Dynamic Loadline Dynamic Point Selection Dynamic Programming (Radar) Dynamic Range Dynamic Range Dynamic Range (Fundamental) Dynamic Range (Measurement) Dynamic Range (Optical) Dynamic Scheduling Dynamic Spectrum Access Dynamic ZZ

e E Connector (1.0mm) E-Band E-Band Link E-Beam Evaporation E-Field Probe E-Field Probe (Safety) E-Layer E-Mode HEMT e-plane E-Plane Bend E-Plane Mitre E-Plane Tee E-Shaped Patch E-UTRA NR DC E2 Interface EAGLE EAM EAR Early Warning Radar Early-Late Gate Earned Value Management Earth Curvature Effect Earth Exploration Allocation Earth Exploration Satellite Earth Sensor Earth Station Earth-to-Space Earth-to-Space (Up) East-West Station Keeping Eb/N0 EBG Surface EBM ECal Module ECCM ECCN Eccosorb Filter Echo Time Eclipse Season ECM eCPRI ECR Gate ECSS Standards ECSS-E-HB-20-07A ECSS-Q-ST-60C EDA EDA (RF) EDCA Eddy Current Testing Eddystone EDFA Edge Edge AI (RF) Edge Bond Edge Computing Edge Computing (Network) Edge Computing (Telecom) Edge Coupler Edge Coupling Edge Diffraction Edge Effects (Array) Edge Element Edge Plating Edge Router Edge-Coupled Filter Edge-Coupled Stripline Edge-Guided Mode Circulator Edge-Launch Connector EDM (Manufacturing) EDM Electrode EDM Machining EDM Surface Finish eDRX EDS Analysis EEL Effective Aperture Effective Area Effective Dielectric Constant Effective Directivity Effective Earth Radius Effective Isotropic Radiated Power Effective Isotropic Sensitivity Effective Load Match Effective Medium Theory Effective Number of Bits Effective Permittivity (Microstrip) Effective Source Match Effective Tracking Efficiency (ET) Efficiency (Power Supply) Efficiency Contour Efficiency Measurement EFIE EFT Egress EHF EIA WR Standard eICIC Eigenbeamforming Eigencanceller Eigenfunction Expansion Eigenvalue Eigenvalue (CMA) Eigenvalue Problem Eigenvector Eighth-Mode SIW EIRP EIRP (Fundamental) EIRP Density EIRP Density (Link) EIRP Limit Elastic Optical Network Elbit Systems Electric Dipole Moment Electric Field Electric Field Coupling Electric Field Limit Electric Field Shielding Electric Field Strength Electric Flux Density Electric Propulsion Electric Quadrupole Electric Scalar Potential Electrical Fast Transient Electrical Length Electrical Length Measurement Electrical Memory Electrical Reference Electrical Tolerance Electrically Conductive Adhesive Electrically Small Antenna Electrically Small Antenna (NF) Electro-Optic Modulator Electro-Optic Transducer Electroabsorption Modulator Electrochemical Machining Electroformed Waveguide Electroforming Electroless Nickel Electroless Plating Electromagnet Electromagnetic Bandgap Electromagnetic Battle Management Electromagnetic Boundary Conditions Electromagnetic Boundary Conditions Electromagnetic Compatibility Electromagnetic Compatibility (Auto) Electromagnetic Coupling Electromagnetic Environment Electromagnetic Field Regions Electromagnetic Interference Electromagnetic Maneuver Warfare Electromagnetic Pulse Electromagnetic Scattering Electromagnetic Shielding Electromagnetic Simulation Electromagnetic Spectrum Electromagnetic Spectrum Operations Electromagnetic Topology Electromagnetic Wave Electromagnetically Induced Transparency Electromechanical Switch Electromigration Electron Beam Focusing Electron Beam Melting Electron Beam Welding Electron Density Profile Electron Gun Electron Mass Electron Mobility Electronic Attack Electronic Calibration Electronic Design Automation (Detail) Electronic Protection Electronic Support Electronic Support Measures Electronic Tuner Electronic Warfare Electronically Scanned Array Electronically Steerable Antenna Electroplating Electrostatic Discharge Electrosurgery Element Factor Element Pattern Element Spacing Element Values Element-Level Beamforming Elementary Charge Elevated CPW Elevated Duct Elevated Feed Point Elevated Range Elevation Estimation ELF ELINT Ellipsoidal Gate Elliptic Filter Elliptic Filter (RF) Elliptical Polarization Elliptical Waveguide EM Simulation EM Simulation (EDA) EM-Circuit Co-Simulation eMBB eMBB Application Embedded Capacitance Embedded Element Pattern Embedded Microstrip Embedded Multimedia Terminal EMC EMC Amplifier EMC Antenna EMC Design Rules EMC Full Compliance EMC Margin Analysis EMC Pre-Compliance EMC Prediction EMC Prediction Tool EMC Rule Checking EMC Simulation (Detail) EMC Survey EMC Test Equipment EMC Test Plan EMC Test Receiver EME Assessment EMI EMI Can EMI Compliance (Power) EMI Filter EMI Filter (Power) EMI from Clocks EMI from Digital Circuits EMI from Power Supply EMI from Switching EMI Gasket EMI Receiver EMI Receiver (Detail) EMI Source EMI/EMC Plan EMISSION Emission Bandwidth Emission Mask Emissivity Emitter Emitter Ballasting Emitter Identification Emitter Location EMP EMPIRE Empirical Model Empty SIW EMSO eMTC EMV Contactless EN 55011 EN 55032 EN 55035 EN 61000-4 EN-DC Enable Circuit Encapsulant Encapsulation Enclosed Power Supply Enclosure Effects Enclosure EMC End Effect Capacitance End Mill End-Coupled Filter End-Fire Array End-Launch Transition End-Use Statement End-User Certificate Endfire Helix Endfire Superdirectivity Energy Density Energy Detection Energy Efficiency (5G) Energy Level Energy Spectral Density Energy Storage Engineering Drawing Engineering Model Enhanced ICIC Enhanced MLO Enhanced Type II Enhancement-Mode FET Enhancement-Mode GaN ENOB ENOB (Detail) eNodeB ENR ENR Standard Entangled Microwave Entanglement Enterprise Network Enthalpy of Mixing Envelope Envelope Detection Envelope Detector Envelope Load-Pull Envelope Simulation Envelope Tracking Envelope Tracking Design Environmental Assessment Environmental Chamber Environmental Compensation Environmental Testing EPC EPC Gen2 Epitaxial Growth Epitaxy EPON Epoxy Bonding Epoxy Conformal Equal-Gain Combining Equalization (System) Equalizer Equi-Angular Spiral Equipment Margin Equipment Redundancy Equipment Under Test Equiripple Filter Equivalence Principle Equivalent Noise Bandwidth Equivalent Service Life Erbium-Doped Fiber Amplifier Erceg Model Ergodic Capacity Ericsson ERP Error (Unilateral) Error Correction Error Model Error Terms Error Threshold Error Vector Magnitude Error Vector Magnitude (Fundamental) Errored Block Errored Second Es/N0 ESA ESA Standards ESD ESD (Fab) ESD Air Gap ESD Clamp ESD Filter ESD Guard Ring (EMC) ESD Gun ESD Hardening ESD Layout ESD Protection ESD Protection (Fab) ESD Protection Circuit ESD Spark Gap (EMC) eSIM ESL ESPRIT Algorithm ESR ESS (Environmental Stress Screening) ESS Protocol Etched Ground Etching Ethernet Ethernet Power Sensor Ethernet Radio ETSI ETSI Class 2 ETSI Class 3 ETSI Class 4 ETSI EN 300 328 ETSI EN 301 893 ETSI EN 302 217 EU868 Euclidean Algorithm (RS) Euler Formula EUT Eutelsat EUV Lithography Evanescent Wave evanescent-mode Evanescent-Mode Filter Evaporation Duct Even-Harmonic Mixer Even-Mode (TL) Even-Mode Impedance Even-Mode Impedance (Design) Even-Mode Stability EVM EVM Measurement Excess Phase Excessive BER Excitation Pulse Exciter Exciter Source Exclusion Region Exclusion Zone EXIT Analysis EXIT Chart Expectation Maximization Expendable Decoy Explicit Feedback Exponential Taper Export Control Exposed Node Exposed Pad Exposure Extended Code Extended Doherty Extended DRX Extended Interaction Klystron Extended Interaction Oscillator Extended Kalman Filter Extended Kalman Filter (Auto) Extended Spectrum DOCSIS Extended Temperature External Cavity Laser External Finish External Magnetic Field External Q Extinction Cross Section Extinction Ratio Extracted-Pole Topology Extrapolation Extruded Heat Sink Eye Diagram Eye Diagram Analyzer Eye Diagram Display Eye Opening

f F-Layer F-OFDM F1 Interface FAA Notification Fabrication Drawing Face Mill Factored STAP Factory Calibration Factory Channel Factory Network Fade Analysis Fade Depth Fade Duration Fade Margin Fade Margin (Fundamental) Fade Margin (Link) Fade Occurrence Factor Fade Slope Fading Simulator FAI Failsafe Switch Failure in Time Failure Modes Failure Rate Fall Protection Fall Time False Alarm Control False Alarm Rate Fan Dipole Fan Selection Fan Stub Fan-Out Package Fan-Out Switch Fan-Out Wafer Level Package Far Infrared Far Sidelobe FAR Validation Far-End Crosstalk (Link) far-field Far-Field (EM) Far-Field Calculation Far-Field Coupling (EMC) Far-Field Distance Far-Field Measurement Far-Field Radiation (EM) Far-Field Region Far-Field WPT Farad Faraday Cage Faraday Rotation Faraday Rotation (Ionosphere) Faraday Rotation (Material) Faraday Rotation (Space) Faraday Rotation Isolator Faraday's Law Farrow Filter Fast Chirp Fast Ethernet Fast Fading Fast Flux Pulse Fast Fourier Transform Fast Multipole Method Fast Positive Transient Fast Radio Burst Fast-Hopping Synthesizer Fast-Switching Switch Fat Fatigue Fault Detection Fault Isolation Fault Location Fault Reporting Fault Tree Analysis Fault-Tolerant Quantum FBAR (Detail) FBAR Filter FBMC FC Connector FCA FCC FCC Category A FCC Category B FCC Equipment Authorization FCC Grant FCC ID FCC OET-65 FCC Part 15 FCC Part 18 FCC Part 25 FCC Part 27 FCC Part 30 FCC Part 90 FCC Part 95 FCC Part 96 FCC Part 97 FCC RF Exposure Evaluation FD-SOI FDD FDD Duplexing FDDI FDM FDMA (Protocol) FDMA (Satellite) FDTD FDTD Human Model FDTD Method FDTD-MoM Hybrid FDX (DOCSIS) FEA Thermal Analysis Feature Group Federated Learning (RF) Feed Assembly Feed Chain Feed Line Feed Manufacturing Feed Network Feed Network Loss Feed-Through Feed-Through Capacitor Feed-Through Filter Feedback (Circuit) Feedback Amplifier Feedback Network Feedback Oscillator Feeder Feeder Link Feeder Link Budget Feedforward Linearization Feedhorn FeICIC FEKO FEM-MoM Hybrid Femtocell Femtofarad Ferrimagnetic Ferrite Ferrite Ferrite Absorber Ferrite Bead Ferrite Circulator Ferrite Core Ferrite Core (Power) Ferrite Machining Ferrite Phase Shifter (Component) Ferrite Tile Ferrite Tile (Chamber) Ferrite-Loaded Waveguide Ferroelectric Ferromagnetic fet FET Attenuator FET Mixer FET Phase Shifter FET Switch FF FFT Resolution FFT-Based Channelizer fhss Fiber Attenuation Fiber Bragg Grating Fiber Distribution Hub Fiber Enclosure Fiber Splice Fiber-Optic Delay Fiber-Optic Sensing FIDES Fiducial (EDA) Field Cable Field Calibration Field Displacement Isolator Field Distribution Field Emission Field Generating System Field MTBF Field Probe System Field Programmable Gate Array Field Strength Field Strength (MRI) Field Uniformity Field-Based Method Field-to-Wire Coupling Fifth-Order Products Figure of Merit (Link) Filament Winding Filing Fill Time Fillet Filling Factor filter Filter Alignment Filter Bank Filter Bank (Passive) Filter Manufacturing Filter Order Filter Poles Filter Resonator Filter Synthesis Filter Topology Filter Tuning Filter Zeros Filter-Bank Architecture Filtered OFDM Fin Design Final IF Final Inspection Final Scan Final Stage Final Test Fine Leak FinFET Finger Layout Finger Stock Finish Specification Finite Array Analysis Finite Element - Boundary Integration Finite Element Method Finite Element Method (EM) Finite Ground CPW Finite Ground Plane Effect Finite Transmission Zero Finline (Transition) Finline Design Finline Detector Finline Filter Finline Mixer Finline Taper Finline Waveguide FIR Filter FiRa Fire Control Radar First Article Inspection First Fresnel Zone First IF First Null Beamwidth First Sidelobe Fishbone Diagram FIT Rate FIT Rate (Detail) FIVE EYES Five Nines Five Whys Fixed Allocation Fixed Attenuator Fixed Bias Fixed Coupler Fixed OADM Fixed Service Fixed Wireless Access Fixed-Satellite Service Fixture De-Embedding Flange Flange Alignment Flange Mount Flange Package Flange Tolerance Flap Attenuator Flash ADC Flash Gold Flat Design Flat Fade Margin Flat Fading Flat Flange Flat Leakage Flat Phantom Flat-Top Pulse (Quantum) Flat-Top Window Flatness Flexible Cable Flexible Cable (Connector) Flexible Coaxial Flexible Electronics (RF) Flexible Grid Flexible Payload Flexible Test Cable Flexible Waveguide Flicker Noise Flicker Noise Corner Flight Grade Flight Heritage Flight Model Flip-Chip Flip-Chip (Quantum) Flip-Chip Assembly Flooding Decoder Flow Control Flow Cryostat Floyd-Steinberg Thinning Fluid Antenna Fluoroscopy Flush Short Flux Flux Density Flux Pulse Flux Quantization Flux Quantum Flux Qubit Flux Residue Flux Tuning Fluxonium Flying Probe FM fmax (Transistor) FMCW FMCW LiDAR FMCW Radar FMCW Radar (Auto) FMEA FMECA FMR Linewidth Foam-Dielectric Cable Focus-Before-Detect Fog Attenuation Fog Attenuation (Detail) Fog Computing Foil Shield Foldback Current Limit Folded Dipole Folded Monopole Folded Resonator Folded SIW (Design) Folded Topology Foliage Loss Footnote Allocation Forced Air Cooling Foreign Military Sales Forest Form Tolerance Forney Algorithm Forward Collision Warning Forward Crosstalk Forward Error Correction Forward Gain Forward Path Forward Power Forward Reflection Forward Transmission Forward Wave Forward-Looking Radar Forward-Wave Coupler Foundry Kit Four-Wave Mixing Four-Wave Mixing Amplifier Four-Wave Mixing Penalty Fourier Transform FPGA (Quantum Control) FQR FR-4 FR-4 Substrate FR1 FR2 FR3 Fractal Antenna Fractional Bandwidth Fractional Power Control Fractional-N PLL Fragmented Array Frame Detection Frame Error Rate Frame Format Frame Relay Frame Synchronization Frank Code Fraunhofer Region Free Space Free Space Detection Free-Electron Laser Free-Space Impedance Free-Space Loss (Fundamental) Free-Space Material Measurement Free-Space Method (Materials) Free-Space Optical Free-Space Optical Backhaul Free-Space Optical Communication (Emerging) Free-Space Optical Link Free-Space Optics (Communication) Free-Space Path Loss Free-Space Propagation Frequency Frequency (Fundamental) Frequency Acquisition Frequency Agility Frequency Allocation Frequency Assignment Frequency Band Plan Frequency Compensation Frequency Conversion Plan Frequency Coordination Frequency Coordination (Detail) Frequency Counter Frequency Difference of Arrival Frequency Diversity Frequency Diversity Improvement Frequency Diversity Improvement (Detail) Frequency Divider Frequency Divider (Device) Frequency Doubler Frequency Encoding Frequency Hopping Frequency Hopping (EW) Frequency Interleaving Frequency Modulation Frequency Multiplier (Device) Frequency Offset Estimation Frequency Pair Frequency Plan Frequency Planning Frequency Planning (Link) Frequency Quadrupler Frequency Range (EMC) Frequency Reference Frequency Resolution Frequency Response Frequency Reuse Frequency Reuse (Link) Frequency Shift Keying Frequency Stability Frequency Stirring Frequency Sweep (EM) Frequency Synchronization Frequency Synthesizer Frequency Synthesizer (Device) Frequency Synthesizer Architecture Frequency Tripler Frequency Tunability Frequency Tuning Range Frequency Units Frequency-Dependent Impedance Frequency-Dependent Loss Frequency-Division Beam Hopping Frequency-Division Multiplexing (Quantum) Frequency-Domain Compression Frequency-Domain CSI Frequency-Domain FDTD frequency-multiplier Frequency-Selective Fading Frequency-Selective Surface Freshness Fresnel Equations Fresnel Integral Fresnel Region Fresnel Zone Fresnel Zone Plate Fresnel Zone Plate Antenna Friis Equation Friis Equation (Cascade) Friis Transmission Friis Transmission Equation Fringing Capacitance Fringing Field Front End Front Radar Front-End Module Front-Fed Reflector Front-to-Back Ratio Front-to-Back Ratio (Link) Fronthaul Fronthaul (Telecom) FS FSPL fT (Transistor) FTA FTIR Analysis FTTB FTTC FTTH FTTN FTTP Full Two-Port Calibration Full-Band Capture Full-Brick Full-Duplex (5G) Full-Duplex (Digital) Full-Duplex Analysis Full-Duplex Band Full-Duplex DOCSIS Full-Duplex Radio Full-Scale Power Full-Scale Range Full-Wave Cavity Fully Anechoic Chamber Fully Polarized Wave Functional Analysis Functional Block Diagram Functional Safety Functional Split Functional Test Fundamental Frequency Fundamental Limit (Antenna) Fundamental Mixer Furnace Furnace Brazing Fuse Fused Deposition Modeling Fused Silica Fusion Rule Fusion Splice FWA

g G-Band G/T (Detail) G/T (Satellite) G/T Ratio Ga2O3 Device GaAs GaAs HBT GaAs LNA (Cryo) GaAs MESFET GaAs MMIC Process GaAs pHEMT GaAs Process (Detail) Gain Gain (Amplifier) Gain (Cryo) Gain Bandwidth Product Gain Block IC Gain Circle Gain Circles Gain Comparison Method Gain Compression (Math) Gain Compression Measurement Gain Margin Gain Measurement Gain Standard Gain Transfer Method Gain Uncertainty Gain-Bandwidth Limitation gain-flatness Gain-Noise Tradeoff Gain-to-Noise Temperature Galactic Noise Galerkin Method Galerkin Method (EM) Galileo E1 Galileo E5 Gallium Antimonide Gallium Arsenide Gallium Nitride Gallium Nitride Process Gallium Oxide Gamma Testing GaN GAN (RF) GaN Cap Layer GaN Driver Amplifier GaN HBT GaN HEMT GaN HEMT Design GaN Limiter GaN LNA GaN Mixer GaN MMIC Design GaN MMIC Process GaN Power (Emerging) GaN Power Bar GaN Power Die GaN Power FET GaN Process (Detail) GaN Switch GaN Variable Gain Amplifier GaN-on-Diamond GaN-on-Diamond (Emerging) GaN-on-Si GaN-on-Si Process GaN-on-SiC GaN-on-SiC (5G) GaN-on-SiC Process GAP Gap (Coupled Microstrip) Gap Discontinuity Gap Waveguide Gap Width Garage Door Opener Gardner Algorithm Garnet Gas Discharge Tube Gas Limiter Gas Tube Gaseous Attenuation Gate Bias Network Gate Driver Gate Error Rate Gate Fidelity Gate Length Gate Periphery Gate Protection Gate Set Tomography Gate Voltage Gate Width Gate-All-Around Gatemon Gateway Gateway Antenna Gateway Diversity Gateway Link Budget Gating GATT Gauge Tolerance Gauss's Law (Electric) Gauss's Law (Magnetic) Gaussian Approximation Gaussian Distribution Gaussian Filter Gaussian Filter (RF) Gaussian Noise Gaussian Pulse (Quantum) Gaussian Window GB GCMP GCPW GD&T Gender Changer General Dynamics General Public Exposure Generalized Likelihood Ratio Test Generalized Memory Polynomial Generalized S-Parameters Generative Design (RF) Generator Matrix (Detail) Generator Polynomial (BCH) Genetic Algorithm (RF) Genetic Thinning GEO Delay GEO Satellite Geoclimatic Factor Geographic Redundancy Geolocation Geomagnetic Storm Geometric Stability Factor Geometric Tolerance Geometrical Optics Geometrical Theory of Diffraction Geostationary Orbit Gerber File Germanium Thermometer Getter GFDM GFRP GFSK (Sigfox) GHZ State Gifford-McMahon Cooler Gifford-McMahon Cryocooler Gigabit Ethernet Gigahertz Gigawatt Gilbert Cell Mixer Glacier Monitoring Glass Antenna Glass Ceramic Glass Interposer Glass Substrate Glob Top Global Beam Global Nearest Neighbor Global SAR Globalstar Globalstar Band GLONASS G1 GLONASS G2 GLRT GMTI gNodeB GNSS Antenna GNSS Antenna (Auto) GNSS Reflectometry GNSS-R GO-CFAR Goal-Oriented Communication Goddard Gold Gold Code Gold Plating Gold Plating (Waveguide) Gold Sequence Gold Wire Gold-Tin Braze Golden Code Goodput Google Quantum AI GOTS Goubau Line GPO Connector GPON GPON (Telecom) GPPO Connector GPR-Max GPS GPS Antenna GPS L1 GPS L2 GPS L5 GPS Radio Occultation GPS-Aided (Missile) Graded-Index Fiber Gradient Coil Graphite Sheet GRASP Grassmannian Codebook Grating Coupler Grating Lobe Graveyard Orbit Gray Coding Gray-Box Model Green Communication Green Function Gregorian Antenna Grid (Tube) Grinding Grooming Groove Gap Groove Guide Gross Leak Ground Bounce Ground Bounce (EMC) Ground Bus Ground Clutter Ground Impedance Ground Loop Ground Moving Target Indication Ground MTI Ground Noise Ground Penetrating Radar Ground Plane Ground Plane (EMC) Ground Plane Antenna Ground Potential Difference Ground Reflection Ground Reflection Range Ground Segment Ground Slot Ground Station Network Ground Strap Ground Via Ground Via Array Ground-Wave Propagation Grounded Coplanar Waveguide Grounding Grounding (Layout) Grounding (Test) Grounding Guidelines Grounding Techniques Group 1 Group 2 Group A Test Group B Test Group C Test Group D Test Group Delay Group Delay (CATV) Group Delay (Filter) Group Delay (Ionosphere) Group Delay (Math) Group Delay (Space) Group Delay (Transmission Line) Group Delay Measurement Group Delay Trace Group Delay Variation Group Velocity Group Velocity (TL) GROUSE Algorithm GSG Probe GSM (Network) GSMA GSSG Probe GTD Model (Safety) GTD-MoM Hybrid GTEM Cell Guanella Balun Guard Band Guard Band (Allocation) Guard Band (Satellite) Guard Cells Guard Interval Guard Ring Guard Ring (EMC) Guard Ring (Layout) Guard Trace Guard Window Guard Zone Guard-Band Deployment Guide Wavelength Guided Wave GUM Gunn Diode Guyed Tower Gyromagnetic Ratio Gyrotron Gyrotropic Medium Gysel Divider

h H-Band (Waveguide) H-Field Probe H-Guide H-Plane H-Plane Bend H-Plane Mitre H-Plane Tee H-Shaped Patch Hadamard Code Hadamard Gate Hadamard Variance Hahn Echo Hail Attenuation Hairpin (Design) Hairpin Filter Hairpin Resonator Hajimiri-Lee Model Half-Band Filter Half-Brick Half-Duplex Half-Mode SIW Half-Mode SIW (Design) Half-Power Beamwidth Half-Wave Cavity Half-Wave Dipole Half-Wave Resonance Half-Wave Resonator Half-Wave Voltage Hall Effect Thruster HALT Protocol HALT Testing Hammerstad Formula Hammerstad-Jensen Model Hamming Code Hamming Window Hand Effect Hand Layup Hand Soldering Handover Handover Frequency Handover Time Hankel Function Hanning Pulse Hanning Window Hansen-Woodyard Array HAPS HAPS Link Hard Anodize Hard Clipping Hard Decision Hard Gold Hard Handover Hard Surface Hardware Fault Tolerance HARM Harmonic Harmonic (Fundamental) Harmonic Balance Harmonic Balance (EDA) Harmonic Content Harmonic Filter Harmonic Filter (System) Harmonic Generator Harmonic Load Pull Harmonic Measurement Harmonic Mixer Harmonic Suppression (Oscillator) HARQ HARQ (5G) HARQ-ACK Harrington Limit Hartley Image Reject Hartley Oscillator Hashin-Shtrikman HASS Protocol HASS Testing Hata Model Havriliak-Negami Model Hazard Analysis HBM (ESD) HD Mapping HDB3 HDI PCB He-3/He-4 Mixture HE11 Mode Head Effect Head Phantom Headend Header Compression Health Monitoring Heat Exchanger Heat Exchanger (DR) Heat Load Heat Map Heat Pipe Heat Pipe (Thermal) Heat Sink (Cryogenic) Heat Sink-to-Ambient Heater (Cryo) Heating Pattern Heatspreader Heavy Ion Testing HEB Mixer Hecken Taper Height-of-Burst Sensor Heisenberg Limit Heliax Cable Helical Antenna Helical Filter Helical Resonator Helicity (EM) Helium Conservation Helium Leak Test Helium Liquefier Helium Recovery Helium Shortage Helium-3 Helium-3 (Cryo) Helium-4 Helium-4 (Cryo) Helix Antenna Helix Circumference Helix Pitch Helix TWT Helmholtz Equation Hemispherical DRA HEMP HEMT HEMT LNA Henry HEO Orbit Heritage Part Hermetic Connector Hermetic Feed-Through Hermetic Feed-Through (Cryo) Hermetic Package (RF) Hermeticity Test Hermeticity Testing Hertz Hertzian Dipole Heterodyne Heterodyne (Optical Detail) Heterodyne Architecture Heterodyne Optical Detection Heterogeneous Integration Heterogeneous Network Heterogeneous Network Analysis Heterostructure HetNet Hexaferrite Hexahedral Element HF HF Radar HF RFID HFC Network HFP HFSS HFT Hi-Rel Hidden Node Hierarchical Design Hierarchical Fusion Hierarchical QAM High Power Amplifier (Satellite) High-Altitude Platform High-Band Spectrum High-Electron-Mobility Transistor High-Frequency Asymptotics High-Frequency Layout High-Impedance Surface High-Isolation Switch High-Layer Split High-Pass Filter High-Pass/Low-Pass Phase Shifter High-Performance Antenna High-Power Attenuator High-Power Load High-Power Microwave High-Power Switch High-Range Resolution High-Resistivity Silicon High-Resolution CSI High-Speed Machining High-Split High-Temperature Superconductor High-Throughput Satellite Higher Modulation Higher-Order Mode Higher-Order SVD Highpass Filter Hilbert Transform Hilbert Transform Relation Hitless ACM Hitless Switching HMSIW HOL (Higher Order Leakage) Hold Time Hold-Up Time Hole Mobility Hollow-Core Fiber Holographic Communication Holographic MIMO Home Subscriber Server Homodyne Homodyne (Optical) Homodyne Architecture Honeycomb Honeycomb Vent Honing Hop Length Horizontal Polarization Horn Antenna Horn Antenna (EMC) Horn Antenna (Mfg) Horn-Fed Reflector Host Nation Coordination Hot Carrier Hot Electron Bolometer Hot Load Hot S-Parameters Hot Spot Hot Standby Hot Swap Hot Target Hot Tuning Hot-Swap Power Hotspot 2.0 Hough Transform (Radar) HPA HPBW HPM Weapon HSPA HTCC Assembly HTCC Substrate HTS HTS Filter HTTP HTTPS Huawei Hub Hub Station Huber+Suhner Hughes Humidity Testing Huray Model Huygens Source Antenna Huygens-Fresnel Principle Huygens' Principle HVPE Hybrid Absorber Hybrid ARQ Type I Hybrid ARQ Type II Hybrid ARQ Type III Hybrid Assembly Hybrid Beamforming Hybrid Beamforming (Detail) Hybrid Channel Model Hybrid Coupler Hybrid Coupler (Mfg) Hybrid ESA Architecture Hybrid Ground Hybrid Integration Hybrid Junction Hybrid Method Hybrid Mode Hybrid Mode (TL) Hybrid Precoding Hybrid Propagation Model Hybrid Radio Hybrid RAM Hybrid Space-Terrestrial Hybrid Tee Hydrogen Brazing Hydrogen Line Hyperthermia Treatment

i I/Q Imbalance I/Q Mismatch I/Q Signal I2C IAB IAB (Integrated Access and Backhaul) IAB Donor IAB DU IAB MT IAB Node IAI IATF 16949 iBeacon IBIS Model IBIS Model (EMC) IBIS-AMI IBM Quantum IC EMC Design IC Layout ICA ICD Ice Attenuation Ice Depolarization Ice Sheet ICI (Inter-Carrier Interference) ICNIRP Guidelines ICP Etch ICT Ideal SNR Idle Mode Mobility Idq IDU IEC IEC 60068 IEC 60153 IEC 60154 IEC 60169 IEC 60339 IEC 60510 IEC 61000 IEC 61000-4-10 IEC 61000-4-11 IEC 61000-4-12 IEC 61000-4-16 IEC 61000-4-2 IEC 61000-4-3 IEC 61000-4-4 IEC 61000-4-5 IEC 61000-4-6 IEC 61000-4-8 IEC 61000-4-9 IEC 61169 IEC 61326 IEC 61508 IEEE IEEE 1785 IEEE 287 IEEE 474 IEEE 521 IEEE 802.11 IEEE 802.15.4 IEEE AES IEEE AP-S IEEE C95.1 IEEE ComSoc IEEE EMC-S IEEE Instrumentation IEEE MTT-S IEEE P149 (Antenna) IEEE P1720 (Antenna) IEEE Radar Band IF IF Amplifier IF Bandwidth IF Bandwidth (System) IF Bandwidth (VNA) IF Bandwidth Setting IF Diplexer (Mixer) IF Filter IF Processing IF Sampling IF Section IF Selection IF Selection (System) IFA IGBT II-VI Semiconductor III-V on Silicon III-V Semiconductor IIP2 IIP3 IIP3 (Mixer) IIR Filter Illumination Efficiency IM-DD IM2 IM3 IM5 IM7 IM9 Image Antenna Image Filter Image Frequency Image Guide Image Plan Image Reconstruction Image Reject Filter Image Rejection Image Rejection Ratio Image Theory Image-Reject Architecture Image-Reject Mixer Imaginary Part Imaginary Trace Imaging Radiometer IMD Measurement IMM Immunity Amplifier IMPATT Diode Impedance Impedance (Fundamental) Impedance Analyzer Impedance Bandwidth Impedance Boundary Impedance Calculation Impedance Calculator Impedance Control (EMC) Impedance Discontinuity Impedance Inverter Impedance Matching Impedance Matrix Impedance Measurement Impedance Smith Chart Impedance Transformation Impedance Transformer Imperfect CSI Implant Communication Implantable Device Implementation Margin Implicit Feedback Improvement Factor (Diversity) Impulse Sensitivity Function IMS IMS (Insulated Metal Substrate) In-Band Deployment In-Band Full Duplex In-Band Signature In-Circuit Test In-Memory Computing In-Phase Component In-Process Inspection In-Series Adapter InAlN/GaN HEMT Incident Wave Inclination Inclined Orbit Inclined Slot Incoherent Scatter Radar Incoming Inspection Incremental Redundancy Incremental SVD Independent Component Analysis Indium Aluminum Arsenide Indium Foil Indium Gallium Arsenide Indium Gallium Phosphide Indium Phosphide Individual TWT Indoor Channel Indoor Positioning (5G) Indoor Propagation Model Indoor Range Indoor Unit Induced Current Induction Brazing Inductive Coupling Inductive Coupling (Rotary) Inductive Iris Inductive Output Tube Inductive Reactance Inductively Loaded Line inductor Inductor Coupler Industrial Grade Industrial IoT Industrial Temperature Inertial Navigation (Missile) Infant Mortality Infineon Infinite Array Analysis Infinite Ground Plane Infinite Ground Plane Antenna Inflatable Antenna Information Freshness Metric Infotainment Infrared Infrared Filter Infrared Thermography Infrastructure Sharing Ingestible Sensor Ingestible Transmitter Ingress Initial BWP Initiated BIT Injection Locking Injection Molding (RF) Injection Pulling Injection-Locked Oscillator Ink Marking Inkjet Printing (RF) INL Inline Topology Inmarsat Ka-Band Inmarsat L-Band Inner Code Inner DC Block Inner/Outer DC Block InP InP HBT InP HEMT InP HEMT (5G) InP HEMT Design InP LNA (Cryo) InP LNA Design InP MESFET InP Mixer Design InP MMIC Design InP MMIC Process InP Multiplier InP PIC InP Power Amplifier InP Process (Detail) InP THz Input Back-Off Input Coupling Input Filter Input Impedance Input IP2 Input IP3 (Math) Input IP5 Input Matching Input Surge Inrush Current Inrush Limiter InSAR Insertion Gain Insertion Loss Insertion Loss (Connector) Insertion Loss (Filter) Insertion Loss (Isolator) Insertion Loss (Switch) Insertion Loss (Waveguide) Insertion Phase Inside Plant Installation Instantaneous Amplitude Instantaneous Bandwidth Instantaneous Dynamic Range Instantaneous Frequency Instantaneous Phase Insular Guide Integer-N PLL Integral Equation Method Integrated Access and Backhaul Integrated Magnetics Integrated Receiver Integrated Sensing and Communication Integrated Waveguide Integration Gain Integration Time (Quantum) Intelligent Communications Intelligent Reflecting Surface Intelligent Surface Aided Communication Intelsat Intensity Modulation Intent-Based Networking Inter-Cell Interference Coordination Inter-Frequency Measurement Inter-RAT Handover Inter-RAT Measurement Inter-Resonator Coupling Inter-Satellite (Allocation) Inter-Satellite Link Inter-Symbol Interference Inter-System EMC Interacting Multiple Model Interactive Router Interconnect Interdigital (Design) Interdigital Coupling Interdigital Filter Interface Control Document Interface Tolerance Interference Alignment Interference Analysis Interference Cancellation Interference Channel Interference Geometry Interference Margin Interference Modeling Interference Objective Interference Planning Interferometer DF Interferometric Array Interlayer Dielectric Interleaved Array Interleaved FDMA Interleaved RB Interleaver Design Interleaving Intermetallic Intermod C/N Intermod Chart Intermodulation Intermodulation Intermodulation (Fundamental) Intermodulation (Isolator) Intermodulation (Satellite) Intermodulation (System) Intermodulation Distortion Intermodulation Measurement Internal Finish Internal Layer Internal Magnetic Field Internal Port Internal Q Internally Matched GaN Interpolation Interpolation (Timing) Interpolation Filter Interposer Interruption Time Intersection Collision Warning Interstage Matching Interstitial Heating Intra-Frequency Measurement Intra-System EMC Intradyne Invar Inverse FFT Inverse Fourier Transform Inverse Z-Transform Inversion Pulse Inverted Doherty Inverted Microstrip Inverted Microstrip Gap Inverted Microstrip Line Inverted-F Antenna Inverted-L Antenna Ion Implantation Ion Pump Ion Thruster Ionosonde Ionospheric Effects Ionospheric Monitoring Ionospheric Propagation Ionospheric Radar Ionospheric Scintillation IonQ IP IP2 IP2 Measurement IP3 IP3 (Math) IP3 (Switch) IP3 Measurement IP5 IP7 IPC 7711/7721 IPC A-610 IPC A-620 IPC Class 1 IPC Class 2 IPC Class 3 IPC J-STD-001 IPC Standards IPC-2221 IPC-2222 IPC-2581 IPC-4101 IPC-6012 IPsec IPT IPv4 IPv6 IQ Mixer (Quantum) IQ Modulator (Optical) Iq Setting IRA Code Iridite Iridium Iridium Band Iris Coupled Filter Iris Filter Iris Machining Iron-Loaded Paint Irreducible BER Irregular LDPC Irregular QAM Irregular Terrain Model ISA100.11a ISAC ISAC (Emerging) ISAR (Inverse SAR) ISAR Measurement ISAR Processing ISED ISED (Canada) ISM 122 GHz ISM 2.4 GHz ISM 24 GHz ISM 245 GHz ISM 5.8 GHz ISM 60 GHz ISM 900 MHz ISM Band ISM Band (Medical) ISO 11452 ISO 11452 (Detail) ISO 14001 ISO 14443 ISO 15693 ISO 17025 ISO 18000 ISO 26262 ISO 7637 ISO 7637 (Detail) ISO 9001 Isola IS680 Isolated Driver Isolated Port Isolating Combiner isolation Isolation (Coupler) Isolation (Fundamental) Isolation (Isolator) Isolation (Switch) Isolation (Waveguide) Isolation Trench Isolator Isolator (Cryogenic) Isolator Design Isolator Junction Isolator Manufacturing Isotropic Medium Isotropic Probe Isotropic Radiator ISRO ISS (Impedance Standard Substrate) iSWAP Gate ITAR Iterative Demapping Iterative Detection Iterative Hard Thresholding Iterative Processing Iterative Solver ITU ITU Coordination ITU Radio Regulations ITU-D ITU-R ITU-R F.1668 ITU-R F.1703 ITU-R F.634 ITU-R F.699 ITU-R P.1411 ITU-R P.1546 ITU-R P.2108 ITU-R P.2109 ITU-R P.452 ITU-R P.525 ITU-R P.526 ITU-R P.530 ITU-R P.530 (Detail) ITU-R P.676 ITU-R P.838 ITU-R P.840 ITU-R S.580 ITU-T

j J-Band J-K Flip-Flop (Digital) J-Pole Antenna J/S Ratio Jammer Jammer-to-Signal Jamming Power Jamming Signal JAN Qualified JANS JANTX JANTXV Jaumann Absorber JAXA Jaynes-Cummings Model JEDEC JEM (Jet Engine Modulation) JESD204B JESD204C JFET (RF) JFET Amplifier JIS Jitter Jitter (Network) Jitter (Satellite) Jitter (SI) Jitter Measurement Johnson Counter Johnson Noise Johnson Nyquist Johnston Noise Joint Communication and Sensing Joint Domain Localized Joint Electromagnetic Spectrum Operations Joint Probabilistic Data Association Joint Radar-Communication Joint Tactical Information Joint Transmission Jones Matrix Jones Vector Josephson Bifurcation Amplifier Josephson Effect Josephson Effect (Cryo) Josephson Energy Josephson Junction Josephson Junction (Cryo) Josephson Junction Fabrication Josephson Parametric Amplifier Josephson Parametric Converter Josephson Traveling-Wave Amplifier Joule Heating Joule Heating (RF) Joule Loss Joule-Thomson Cooler JPA JPDA JPL JTAG JTIDS JTWPA Jump Start Junction Capacitance Junction Circulator Junction Diode Junction Field Effect Junction Resistance Junction Temperature Junction Temperature (Thermal) Junction-to-Case Jupiter Radio

k k-Band K-Best Detector k-factor K-Factor (Propagation) K-Factor (Stability) K-SVD K-Tier Network Ka-Band Ka-Band (Deep Space) Ka-Band (Satellite Allocation) Ka-Band (Satellite) Kaiser Window Kaizen Kalman Filter Kalman Filter (Auto) Kapton Window Keep-Out Zone Kelvin Kennedy Space Center Keplerian Elements Kerr Effect Keyless Entry Keysight ADS Keysight E5071C Keysight E5080B Keysight ENA Keysight EXG Keysight FieldFox Keysight IC-CAP Keysight M9484C Keysight MXG Keysight MXR Keysight N5244B Keysight N5245B Keysight N5247B Keysight N9030B Keysight N9040B Keysight PNA Keysight PNA-L Keysight PNA-X Keysight PSA Keysight PSG Keysight Technologies Keysight UXR Keystone Transform KiCad Killer Defect Kilohertz Kilohm Kilowatt Kinetic Inductance Kinetic Inductance Amplifier Kinetic Inductance Detector Kinetic Inductance Parametric Kirchhoff Diffraction Kirschning-Jansen Model Klopfenstein Taper Klystron Klystron Amplifier Klystron Linearizer Knee Region Knee Voltage Knife-Edge Diffraction Knife-Edge Loss Knitted Wire Mesh Known Good Die Kovar KPI KQI Kramers-Kronig (EM Detail) Kramers-Kronig (Math) Kramers-Kronig Relations KS kT/q Ku-Band Ku-Band (Satellite Allocation) Ku-Band (Satellite) Kubernetes

l L Filter (EMC) L-Band L-Band (Optical) L-Network L-Probe Fed Patch L2CAP L3Harris Technologies LAA Ladder Network Lamb-Wave Resonator Lambda Lame Function Laminated Waveguide Land Cover Land Mobile Satellite Channel Land Use Lane Change Assist Lange Coupler Laplace Transform Lapping Large Intelligent Surface Large-Scale Fading Large-Signal Design Large-Signal Measurement Large-Signal S-Parameters Large-Signal Simulation Larmor Frequency Laser Laser Ablation Laser Communication Terminal Laser Cutting Laser Dicing Laser Drilling Laser Machining Laser Marking Laser Marking (Manufacturing) Laser RIN Laser Testing (SEE) Laser Welding Lashed Cable Last-Mile Latching Phase Shifter Latching Switch Latchup Latchup (Fab) Latency Latency (Satellite) Latency Target Lateral Field Excited Lattice Balun Lattice Coding Lattice Constant Lattice Reduction Lattice Surgery Launch Power Launch Vehicle Layer 1 Layer 2 Layer 3 Layer Assignment Layered Decoding Layout Layout EMC Analysis Layout Guidelines Layout Instance Layout Versus Schematic LC Circuit LC Connector LC3 Codec LCMV Beamformer LCoS WSS LCP Substrate LCR Meter LDMOS LDMOS Device LDO LDPC Code LDPC Decoder LDPC-Related Code LE Audio LE Secure Connections Lead Inductance Lead Inductance (Circuit) Lead-Acid Battery Lead-Free Solder Leakage Assessment Leakage Inductance Leakage Loss Leaky Mode Leaky Wave Antenna Lean Manufacturing Leased Line Least Squares Least Squares Estimation LED Driver EMI Leeson Model Left-Hand Circular Left-Handed Material Length Matching Length-Matched Routing Lens Antenna LEO Constellation Design LEO Delay LEO IoT LEO Satellite LEO-Terrestrial Integration Leonardo Level Crossing Rate Level Shifter LF LF RFID LHCP License Exception Licensed Microwave Licensed Private Licensed Spectrum Lid Lid Package LiDAR LiDAR Terrain Lienard-Wiechert Fields Light-Licensed Lightning Arrestor Lightning Protection (Antenna) Lightning Surge Lightpath Limit Line Limit Test Limited Feedback Limiter Limiting Amplifier LINC LINC Architecture Line Coding Line Extender Line Impedance Stabilization Network Line of Sight Line Regulation Line Width Line-of-Sight Check Line-of-Sight Propagation Linear Amplifier Linear Array Linear Design Linear Detector (Device) Linear FM Chirp Linear Phase Linear Polarization Linear Protection Linear Region Linear Regression Linear Regulator Linear Sweep Linear Taper Linearity Linearity (ET) Linearity (Fundamental) Linearization Linewidth Link Adaptation Link Availability Link Availability (Detail) Link Budget Link Budget (Detail) Link Budget (Fundamental) Link Budget Analysis Link Distance Link Engineering Link Gain Link Gain (Optical Detail) Link Loss Link Margin Link Margin (Fundamental) Link Noise Figure (Detail) Link S21 Link SFDR (Detail) Liquid Cooling Liquid Crystal Polymer Liquid Helium Liquid Hydrogen Liquid Neon Liquid Nitrogen LISN LISN (Measurement) Listen Before Talk Listen Interval Lithium Ferrite Lithium-Ion Battery Litz Wire LLL Algorithm LMBA Design LMMSE Estimation LMR-400 LMR-600 LMS Algorithm LNA lnb LO LO Buffer LO Chain LO Drive Level LO Leakage LO Multiplier LO-to-IF Isolation LO-to-RF Isolation Load Balancing Load Call Load Dump Load Impedance Load Line Load Match Load Mismatch Analysis Load Plane Load Pull Load Pulling Load Regulation Load Sharing Load Stability Circle Load Standard Load-Modulated Balanced Amplifier Load-Modulated PA Load-Pull Measurement Loaded Q Loaded Q (Quantum) Loaded Resonator Loaded-Line Phase Shifter Loading Coil Loadline Design Local Decoupling Local Oscillator (Optical) Local Oscillator Design Local Oscillator Source Local SAR Local SAR (Safety) Localized FDMA Location-Aided Beamforming Lock Range Lock Time Lockheed Martin Lockout/Tagout LOF Log Detector Log Magnitude Trace Log-Likelihood Ratio Log-Magnitude Log-MAP Log-Normal Shadowing log-periodic Log-Periodic Antenna Log-Periodic Antenna (EMC) Logarithm Logarithmic Amplifier Logarithmic Sweep Logic Analyzer Logical Qubit Long Coherent Integration Long Dwell Processing Long-Range Radar Long-Range Radar (Auto) Longitudinal Slot Longley-Rice Model Loo Model Look-Up Table Look-Up Table (DPD) Loom Loop Antenna Loop Antenna (EMC) Loop Filter (PLL) Loop Gain Loop Gain (Math) Loop Phase Loop Transition Loose Coupling Loose-Tube Cable LoRa LoRa ADR LoRa Bandwidth (Detail) LoRa Channel Plan LoRa Coding Rate LoRa Duty Cycle LoRa Gateway LoRa Link Budget LoRa Modulation LoRa Network Server LoRa Node LoRa Range (Detail) LoRa Sensitivity LoRa Spreading Factor LoRaWAN LoRaWAN Class A LoRaWAN Class B LoRaWAN Class C Lorentz Model Lorentz Reciprocity Lorenz Gauge LOS (Link) LOS Propagation Loss Factor (Ferrite) Loss of Frame Loss of Multiframe Loss of Signal Loss Resistance Loss Tangent Loss Tangent (EM) Loss Tangent (Substrate) Lossless Snubber Losslessness Lossy Stainless Steel Filter Lot Acceptance Test Lot Number Lot Size Lot Traceability Louver Love's Equivalence Low Noise Amplifier Low Power Wide Area Low Probability of Detection Low Probability of Intercept Low-IF Architecture Low-IF Receiver Low-IF Receiver (Arch) Low-Layer Split Low-Loss Cable Low-Noise Block Downconverter Low-Pass Filter Low-Pass Filter (Cryogenic) Low-Rank Matrix Low-Sidelobe Waveform Lower IM3 Lower IM5 Lower Tone Lowest Usable Frequency Lowpass Filter Lowpass Prototype LPCVD LPE LPI Radar LPI Waveform LPWAN LRL Calibration LRM Calibration LRU LSB LTCC Assembly LTCC Module LTCC Substrate LTCC Waveguide LTE (Network) LTE Turbo Rate Matching LTE-Advanced LTE-Advanced Pro LTE-M LTE-NR DC Lumped Circuit Model Lumped Element Circulator Lumped Element Matching Lumped Port Lumped-Element Resonator (Quantum) Luneburg Lens Lutz Model LVDS LVS LwM2M Lynk Global

m M-of-N Detection M-Sequence MAC (5G) MAC Frame MAC Layer Mach-Zehnder Modulator Machine Learning (EW) Machine Learning for RF Machined Waveguide MACOM Macor Macro RRU Macrocell Magic State Magic State Distillation Magic Tee Magnet Assembly Magnetic Component Magnetic Dipole Moment Magnetic Field Magnetic Field Coupling Magnetic Field Limit Magnetic Field Shielding Magnetic Field Strength Magnetic Flux Density Magnetic Particle Inspection Magnetic Permeability Magnetic Quadrupole Magnetic RAM Magnetic Resonance Imaging Magnetic Vector Potential Magnetizing Inductance Magnetorquer Magnetostriction Magnetron Magnitude Magnitude Response Magnitude-Angle Main Beam Width Main Line Loss Main Lobe Make-Before-Break MALD Manchester Coding Manganese Zinc Ferrite Manhattan Process Manual Gain Control Manual Placement Manufacturing Process Manufacturing Rule MAP Decoder Map-Based Model Marchand Balun Margin (EMC) Margin Adaptive Margining Maritime Antenna Maritime Radar Maritime Radionavigation Marker Marker Search Marki Microwave Mars Radar Mask Massive MIMO Massive MIMO Antenna Mast-Head Amplifier Master Information Block Master Reference Master-Slave Matched Filter Matched Filter (Radar) Matched Filter Detection Matched Load Matching Iris Matching Network Matching Region Material Analyzer Material Measurement Material Review Board Material Specification Mathieu Function Mating Cycles MATLAB Matrix Matrix Assembly Matrix Completion Matrix Inversion Matrix Multiplication Matter Mavenir Max-Log MAP Maximal-Ratio Combining Maximally Flat Filter Maximum A Posteriori Maximum Available Gain Maximum Drain Current Maximum Entropy Method Maximum Gain Design Maximum Junction Temperature Maximum Likelihood Detection Maximum Oscillation Frequency Maximum Power Transfer Maximum Stable Gain Maximum Throughput Maximum Unambiguous Range Maximum Usable Frequency Maxwell Garnett Maxwell's Equations MBE MBE (Fab) MCG MCM (Multi-Chip Module) MCM Assembly (Manufacturing) MCPC MCS (Modulation and Coding Scheme) MCS Table MCX Connector MDIF Format Mean Meander Line Meander Line Antenna Measurement Dosimetry Measurement Fusion Measurement Gap Measurement Object Measurement Port Measurement Report Measurement-Based Model Measurement-to-Track Association MEC (Multi-access Edge Computing) MEC (Network) MEC Application MEC Platform Mechanical Layer Mechanical Splice Mechanical Stirrer Mechanical Tolerance Mechanical Tuner Mechanically Scanned Radar Median Filter Medical Device Interference Medium Power Amplifier Medium-Power Transistor Medium-Range Radar MedRadio Meep Mega-Constellation Megahertz Megawatt Megohm Megtron 6 Megtron 7 Meissner Effect Memory Effects Memory Polynomial Memory Trace MEMS Capacitor MEMS Filter MEMS Inductor MEMS Oscillator MEMS Phase Shifter MEMS Phase Shifter (Component) MEMS Resonator MEMS Switch MEMS Switch (Detail) MEMS Tuner MEMS Varactor MEMS WSS Mentor Graphics MEO Delay MEO Satellite MER Mercury Systems Mercury Water-Filling MESFET (Detail) Mesh Convergence Mesh Density Mesh Generation Mesh Network Mesh Reflector Mesh WiFi Metal Ground Plane Metal Injection Molding Metal Plate Lens Metal-Backed PCB Metal-Ceramic Package Metallization Metamaterial Metamaterial Absorber Metamaterial Antenna Metamaterial Waveguide Metamorphic HEMT Metasurface Meteor Radar Meteorological Aids Meter Method of Images Method of Moments Method of Moments (EM) METIS Model Metrology Grade MF MF-TDMA MFIE MgB2 MGC MHT Mica Mica Window Micro Cable Micro RRU Micro-Bump Micro-EDM Micro-Fabricated Vacuum Device Micro-Machining Microampere Microcell Microchannel Cooler Microduct Microhenry Micrometer Microstrip Microstrip Circulator Microstrip Coupler (Mfg) Microstrip Design Equations Microstrip Dispersion (Design) Microstrip End Microstrip Gap Microstrip Impedance (Design) Microstrip Layout Microstrip Line Microstrip Loss (Design) Microstrip Patch Microstrip Patch Antenna Design Microstrip Rotman Microstrip to Coplanar Microstrip to Waveguide Microstrip Width Microstrip-to-CPW Transition Microstrip-to-SIW Microstrip-to-Stripline Transition MicroTCA Microvia Microvolt Microwatt microwave Microwave (Fundamental) Microwave Ablation Microwave Absorber Material Microwave Backhaul Microwave Cavity Microwave Counter Microwave Diathermy Microwave Frequency Bands Microwave Frequency Measurement Microwave Link Microwave Office Microwave Oven Microwave Photon Microwave Photonic Filter Microwave Photonics Microwave Planning Microwave Power Transmission Microwave Pulse (Quantum) Microwave Quantum Optics Microwave Radio Microwave Radiometer Microwave Relay Microwave Resonator (Quantum) Microwave Source (Quantum) Microwave Spectrum Microwave-to-Optical Conversion MICS Band Mid-Band Spectrum Mid-Range Radar (Auto) Mid-Split Midhaul Midhaul (Telecom) Mie Scattering MIL-C-39012 MIL-DTL-24758 MIL-DTL-3928 MIL-DTL-85 (Waveguide) MIL-F-3922 (Flanges) MIL-HDBK-217 MIL-PRF-123 MIL-PRF-19500 MIL-PRF-38534 MIL-PRF-38535 MIL-PRF-55342 MIL-STD-1275 MIL-STD-348 MIL-STD-461 MIL-STD-461 CE101 MIL-STD-461 CE102 MIL-STD-461 CS101 MIL-STD-461 CS114 MIL-STD-461 CS115 MIL-STD-461 CS116 MIL-STD-461 RE101 MIL-STD-461 RE102 MIL-STD-461 RS101 MIL-STD-461 RS103 MIL-STD-462 MIL-STD-464 MIL-STD-704 MIL-STD-810 MIL-STD-883 MIL-W-85 Military EMC (Detail) Military Radar Band Military Temperature Miller Coding Milliampere Millimeter Millimeter Wave Millimeter Wave (Fundamental) Millimeter-Wave Seeker Millimeter-Wave Spectrum Milling Milliohm Millisiemens Millivolt Milliwatt MIM Mimix Broadband MIMO MIMO Antenna MIMO Diversity MIMO Radar MIMO Radar (Auto) MIMO Radar Waveform MIMO Rank MIMO Spatial Multiplexing MIMO-OFDM Min-Sum Algorithm Mine Communication Miner Rule Mini Grid Mini-Circuits Mini-Slot Miniature Air-Launched Decoy Minimum Detectable Signal (Radar) Minimum Detectable Velocity Minimum Discernible Signal Minimum Elevation Minimum Mean Square Error Minimum Noise Circle Minimum Noise Figure Minimum Phase Minimum-Phase System Mining Network Mismatch Mismatch (Fundamental) Mismatch Efficiency Mismatch Loss Mismatch Loss (TL) Mission Control Mitred Bend Mixed Dielectric Mixed Layer Mixed Technology Mixed-Mode Matrix Mixed-Mode Measurement Mixed-Mode S-Parameters Mixed-Mode S-Parameters (Math) Mixed-Signal Layout Mixer Mixer Balun Mixer Conversion Loss Mixer Design Mixer Dynamic Range Mixer Linearity Mixer Port Isolation Mixer Spur Mixer Spur Table Mixer Spurious Analysis Mixer Spurious Response Mixer Topology Mixing Chamber Mixing Chamber (Detail) MKID ML Estimation MLA MLFMA MLI (Cryo) MLI Blanket MM (ESD) MMCX Connector MMIC MMIC Layout MMIC Process mmMAGIC Model MMSE Precoding mMTC mMTC Application MMW mmWave Channel Model mmWave Module mmWave Path Loss mmWave Propagation MOATing Mobile Allocation Mobile Network Evolution Mobile Service Mobile Switching Center Mobile-Satellite Service Mobility Throughput MOCN MOCVD MOCVD (Fab) Modal Significance Modal Solution Modal Truncation MODCOD Mode Mode 1 Spiral Mode 2 Spiral Mode Conversion Mode Conversion (TL) Mode Conversion Loss Mode Converter Mode Converter (Optical) Mode Converter (Waveguide) Mode Coupling Mode Prioritization Mode Selection Mode Suppression Mode-Locked Laser Mode-Stirred Chamber Mode-Tuned Chamber Model Accuracy Model Library Model Validation Modelithics Modem Modified Allan Variance Modified Bessel Modified Hammerstad Modular Power Supply Modulated Coupling Modulated Signal Sensor Modulated Source Modulation Modulation Analyzer Modulation Depth Modulation Error Ratio Modulation Index Modulation Profile Modulation Switching Modulator Modulator Bandwidth Module-Level Beamforming Moisture Absorption Molecular Absorption Molex Molniya Orbit Molybdenum Moment Method Momentum Momentum (EM) Monitor Interface Mono-Static Sensing Monofilar Helix Monolithic Integration (Optical) Monopole Monopole Antenna Monopole Tower Monopulse Comparator Monopulse Feed Monopulse Network Monopulse Ratio Monopulse Tracking Monopulse Tracking (Satellite) Monostatic Cross Section Monte Carlo (Fab) Monte Carlo (Propagation) Monte Carlo Analysis Monte Carlo Uncertainty Monthly Outage Moon Radar Moose Algorithm MORAN Motor EMI MOTS Mouse Bite Mouser MOV Movable Antenna Moving Average (VNA) Moving Average Filter Moving Target Detection Moving Target Indicator MOVPE MPE Limit MPLS MPLS VPN MPO Connector MQTT MR Conditional MR Safe MR Unsafe MRI MRI Compatibility MRI RF Coil MSG1 MSG2 MSG3 MSG4 MTBF MTBF Calculation MTI Filter MTI Improvement Factor MTP Connector MTTF Mu Factor MU-EDCA Timer Mu-Metal MU-MIMO MU-MIMO (WiFi) Mueller Matrix Mueller-Muller Multi-Access Edge Computing Multi-Axis Positioner Multi-Band Antenna (Auto) Multi-Band Architecture Multi-Band Array Multi-Band BPF Multi-Beam Antenna Multi-Beam Klystron Multi-Carrier Operation Multi-Carrier Transponder Multi-Cast Switch Multi-Cell CFAR Multi-Cell RTT Multi-Channel Rotary Multi-Channel Synthesizer Multi-Chip Module Device Multi-Conductor (EMC) Multi-Conductor TL Multi-Core Fiber Multi-Domain Simulation Multi-Function MMIC Multi-Function RF Multi-Harmonic Load-Pull Multi-Hop IAB Multi-Layer Insulation Multi-Layer Patch Multi-Layer Process Multi-Link Operation Multi-Mode Fiber Multi-Mode Operation Multi-Modulus Prescaler Multi-Objective Optimization (RF) Multi-Orbit Constellation Multi-Point Ground Multi-Port Junction Multi-Port Measurement Multi-RAT Multi-Section Coupler Multi-Section Transformer Multi-Stage Depressed Collector Multi-Stage Design Multi-Stage GaN Multi-Standard Architecture Multi-Tone Measurement Multi-Tone Test Multi-User MIMO Multi-User Trigger Multiline TRL Multimode Horn Multipaction Multipath Multipath Combining Multipath Depolarization Multipath Fading Multipath Fading (Link) Multipath Propagation Multipath Signature Multiple Access Channel Multiple Chirp Multiple Diffraction Multiple Hypothesis Tracking Multiple Reflection Multiple Transmitter Multiplexer Multiplexer (Filter) Multipole Expansion Multiport Calibration Multirate Processing Multiresolution Analysis Multisensor Fusion Multistatic Radar Mur Boundary Muscle Mushroom Structure MUSIC Algorithm Mutual Coherence Mutual Coupling Mutual Coupling Compensation Mutual Impedance Mutual Information MVDR Beamformer MZM MZM Bias Control

n N-Port Calibration N-Port Measurement N-Type n-type-connector N-Way Combiner (Design) N-Way Divider N-Way Doherty N-Way Wilkinson N+1 Configuration N+1 Hot Standby N+1 Redundancy N2 Interface n257 n258 n259 n260 n261 N3 Interface n77 n78 n79 NADCAP Nakagami Fading Nakagami-m Channel Nanocrystalline Core Nanohenry Nanometer Nanosheet Nanovolt Nanowatt Narrow Wall Narrowband Narrowband Architecture (System) Narrowband BPF Narrowband GaN Narrowband Matching Narrowband Receiver Narrowwall Slot NASA NASA Standards NASA-STD-8739 NATA National Instruments Native AI NATO NATO Band Natural Binary Natural Convection Natural Frequency Natural Logarithm Navigation Radar NB-IoT NB-IoT (Detail) NBTI NbTi Cable NbTi Coaxial NDEF NDI NDP (Null Data Packet) NDPA NDT NE-DC Near Class B Near Field Near Field Communication Near-End Crosstalk Near-Field (EM) Near-Field Calculation Near-Field Coupling (EM) Near-Field Coupling (EMC) Near-Field Measurement Near-Field Measurement (Detail) Near-Field Probe Near-Field RCS Near-Field Region Near-Field Scanner Near-Field to Far-Field Near-RT RIC Near-to-Far-Field Transform Nearly Constant Acceleration Nearly Constant Velocity NEF Negative Capacitance Negative Feedback Negative Impedance Converter Negative Inductance Negative Permeability Negative Permittivity Negative Refractive Index Negative Resist Negative-Resistance Oscillator Nelco N4000-13 Neodymium NEPA Review Neper Nested MZM Net Name Net Power NETCONF Netlist Netlist Format Network Analytics Network Analyzer Calibration Network Coding Network Exposure Network Function Virtualization Network Layer Network Management Network Planning Network Repository Function Network Slice (Detail) Network Slice Instance Network Slice Selection Network Slice Subnet Network Slicing Network Slicing (Telecom) Network-Level Sensing Neumann Function Neural Network (RF) Neural Network Beamforming Neural Network Surrogate Neuromorphic Computing (RF) Neurostimulator Neutral Host Neutron Testing New Part Neyman-Pearson NF NFC NFC Card Emulation NFC Forum NFC Peer-to-Peer NFC Reader NFC Tag NFC-A NFC-B NFC-F NFC-V NFV NGA NGC NI AWR Nickel Nickel Plating Nickel Underplate Nickel Zinc Ferrite Niobium Niobium Process Niobium Tin Niobium Titanium NISQ NIST NIST Traceability Nitride NLOS Propagation No-Clean Flux Nodal Element Node Node+0 NodeB Noise (Fundamental) Noise Analysis Noise Bandwidth Noise Circle Noise Circle (Detail) Noise Circles Noise Contour Noise Data (Touchstone) Noise Density Noise Diode Noise Equivalent Power Noise Figure Noise Figure (Amplifier) Noise Figure (Mixer) Noise Figure (MRI) Noise Figure (Optical) Noise Figure Analyzer Noise Figure Meter Noise Floor Noise Floor Noise Floor (Measurement) Noise Floor dBFS Noise Floor Reduction Noise Funneling Noise Generator Noise Jamming Noise Loading Noise Match Noise Match Point Noise Matching Noise Measure Noise Parameter Extraction Noise Parameter Measurement Noise Power Noise Power (Satellite) Noise Power Ratio Noise Radar Noise Source Noise Temperature Noise Temperature (15K) Noise Temperature (4K) Noise Temperature (77K) Noise Upconversion Noise-Adding Radiometer noise-factor Noise-Injection Radiometer Noise-Power Assessment Noisy Intermediate-Scale Quantum Nokia Nolen Matrix NOMA NOMA (Emerging) NOMA-OFDM Non-Blocking Switch Non-Codebook-Based Non-Coherent Detection Non-Coherent Integration Non-Foster Circuit Non-Hitless Switching Non-Isolated Driver Non-Isolating Combiner Non-Minimum Phase Non-Negative Matrix Factorization Non-Orthogonal Multiple Access Non-Quantized Non-reciprocal Device Non-Reciprocal Device (Emerging) Non-Reciprocal Phase Shifter Non-Resonant Slot Non-RT RIC Non-Terrestrial Network Non-Terrestrial Network (Emerging) Non-Thermal Effect Non-Thermal Effect (Safety) Non-Uniform Hopping Non-Uniform QAM Non-Wetting Nonconformance Report Nondestructive Testing Nonlinear Design Nonlinear Fiber Optics Nonlinear FM Nonlinear Measurement Nonlinear Threshold Nonlinear Transmission Line Multiplier Nonlinearity Normal Incidence Normal-Mode Helix Normal-Mode Noise Normalization Normalized Frequency Normalized Impedance Normalized Min-Sum Norris-Landzberg North-South Station Keeping Northrop Grumman Northrop Grumman Microelectronics Notch Depth Notch Filter Notch Filter (Digital) Notch Frequency Notification Notified Body NPL (Standards Lab) NPL (Standards) npr NPR Measurement NR Sidelink Positioning NR-DC NR-NR DC NR-U NRF NRL NRO NRZ NRZI NSA NSA Architecture NSMF NSN NSSAI NSSF NSSMF NSTR NTC Thermistor NTIA NTN NTP Nuclear EMP Nuclear Norm Nucleation Layer Null Depth Null Depth (Monopulse) Null Filling Null Frame Null Point Null Steering Null Steering (DSP) Number of Planes Numerical Dispersion Numerical Model (Safety) Numerically Controlled Oscillator Numerology NV Center NWDAF NXP Semiconductors Nyquist Frequency Nyquist ISI Criterion Nyquist Plot Nyquist Rate Nyquist Stability Nyquist WDM NYU Simulator

o O-Band (Optical) O-CU O-DU O-RAN O-RAN Alliance O-RAN Architecture O-RU O1 Interface OADM OAM OAM Mode OAM Multiplexing OATS Validation Object Classification (Auto) Oblate Spheroid Oblique Incidence Oblong Pad Obstruction Analysis Occupational Exposure Occupied Bandwidth Occupied Bandwidth (Satellite) Ocean Ocean Altimetry Ocean Wind Octave-Bandwidth Coupler OCXO ODB++ Odd-Mode (TL) Odd-Mode Impedance Odd-Mode Impedance (Design) Odd-Mode Stability ODU OET Bulletin 65 OFAC Ofcom OFDM OFDM (5G) OFDM (CATV) OFDM Radar OFDMA OFDMA (WiFi) OFDMA Resource Unit Off-Axis EIRP Off-Axis Rejection Office Channel Offset Bend Offset Min-Sum Offset Short Offset Stripline Offset-Fed Reflector OFHC Copper OH Line Ohm Ohmic Loss OIP3 OIP3 (Optical) Okumura Model Okumura-Hata Model OMI OMMIC Omnidirectional Antenna OMP Algorithm OMT On-Board Oscillator On-Board Processor On-Chip Circulator On-Off Keying On-Wafer Measurement One-Port Calibration One-Port Measurement One-Sided Spectrum OneWeb OneWeb (Company) ONR OOF Open Area Test Site Open Call Open Fronthaul Open RAN Open Standard Open-Circuit Resonator Open-End Effect Open-Frame Package Open-Frame Power Supply Open-Loop Gain Open-Loop Power Control Open-Loop Tracking Open-Stub Filter OpenEMS OpenThread OpenVPX OpenZR+ Operating Gain (Math) Operating Gain Design Operating Point Operating Point (Satellite) Operating Power Gain Operating Temperature OPGW Optical Add/Drop Optical Antenna Optical Atomic Clock Optical Attenuator Optical Automatic Bias Control Optical Backplane Optical Booster Optical Budget Optical Circulator Optical Coupler Optical Coverage Optical Cross-Connect Optical Cross-Connect (Detail) Optical Feeder Link Optical Fiber Optical Fiber (Photonic) Optical Filter Optical Frequency Comb Optical Ground Station Optical Hybrid Optical Inspection Optical ISL Optical Isolator Optical Kerr Effect Optical Line Terminal Optical Line-of-Sight Optical Link Budget Optical Modulation Index Optical Network Unit Optical Path Optical Phased Array Optical Power Budget Optical Power Ground Wire Optical Preamplifier Optical Signal-to-Noise Ratio Optical Splitter Optical Splitter (PON) Optical Switch Optical Time-Domain Reflectometry Optical Wavelength Optimal Launch Power Optimal Waveform Optimal Weights Optimization Optimum Source Impedance Optoelectronic Oscillator OR Rule Orbital Angular Momentum Orbital Angular Momentum (EM) Orbital Decay Orbital Period Orbital Position Orbital Slot Orbital Velocity OrCAD Orchard-Elliott Synthesis Orchestration Organic Interposer Orthogonal Waveform Orthomode Junction Orthomode Transducer OS-CFAR Oscillation Oscillation Condition Oscillation Condition (Circuit) Oscillator Oscillator Design Oscillator Stability Oscilloscope OSFP OSI Model OSNR OSNR Budget OSNR Penalty OSP Connector OSSM Connector OTA Testing OTA Update OTDR Out-of-Band Emission Out-of-Band Information Out-of-Control Outage Analysis Outage Capacity Outage Probability Outage Probability (Digital) Outdated CSI Outdoor Plant Outdoor Range Outdoor Rural Outdoor Suburban Outdoor Unit Outdoor Urban Outer Code Outer Conductor Outer DC Block Outgassing Outgoing Quality Outphasing Amplifier Outphasing Design Output Back-Off Output Coupling Output Divider Output Harmonic Filter Output IP2 Output IP3 Output IP5 Output Matching Output Network Output Power (Amplifier) Output Power (Oscillator) Output Ripple Output Voltage Accuracy output-power Over-Coupled Over-Temperature Protection Over-the-Air Performance Over-the-Horizon Radar Overall C/N Overall Noise Figure Overcomplete Dictionary Overdrive Protection Overlap Region Overlap-Add Overlap-Save Overlapping Allan Overload Overmoded Waveguide Oversampled DFT Oversampling Overshoot Oversized Waveguide Overtone OWE OXC Oxidation Oxide Oxide Treatment Oxygen Absorption Oxygen Absorption (Detail) Oxygen-Free Copper

p P1 Code P1dB P2 Code P3 Code P4 Code PA Pacemaker Package Parasitic Packaged Transistor Packet Combining Packet Error Rate Packet Loss Packet Radio (Link) Paging Painting Paired Spectrum Palladium Plating Pallet Amplifier Pancake Slip Ring Panel Antenna Panel Antenna (Mfg) Panel Architecture Panel Design Panel Edge Panel Reflector Panel-Mount Connector PAPR PAPR Reduction Parabolic Antenna Parabolic Cylinder Paraelectric Parallel Concatenation Parallel Decoder Parallel Feed Network Parallel Interference Cancellation Parallel Operation Parallel Plate Waveguide Parallel Resonance Parallel Wireless Parallel-Coupled Filter Parallelism Paramagnetic Parameterized Cell Parametric Amplifier (Emerging) Parametric Coupling Parametric Gate Parametric Stability Parametric Testing Parametric Time Modulation Parasitic (Circuit) Parasitic Capacitance Parasitic Element Parasitic Extraction Parasitic Extraction (Fab) Parasitic Inductance Parasitic Resistance Parasitic ZZ Parity Check Parity Check (Quantum) Parity Check Matrix (Detail) Park Algorithm Parking Radar Part Marking Part Number Partial Element Equivalent Circuit Partial Polarization Partial Transmit Sequence Particle Filter Particle Swarm Optimization Partition Parts Count Parts Stress Parylene Pass/Fail Testing passband Passband Ripple Passband Transmission Passivation Passivation (Fab) Passive Antenna (EMC) Passive Bias Passive Entry Passive FET Mixer Passive Intermodulation Passive Intermodulation (Waveguide) Passive Load Modulation Passive Load Pull Passive Mixer Passive Multiplier Passive PFC Passive Phased Array Passive Radar Passive RFID Passive RIS Passive Seeker Passive Splitter Passive Start Passivity Passpoint PAST Algorithm Paste Opening Pasternack Patch Antenna Patch Array Patch Panel Path Clearance Path Inclination Path Loss (Fundamental) Path Loss (Link) Path Loss Compensation Path Loss Model Path Profile Path Redundancy Path Survey Patient Monitoring System Patient Safety Patriot Radar Pattern Bandwidth Pattern Cut Pattern Integration Pattern Measurement Pattern Multiplication Pattern Uncertainty Patterned Ground Pauli Gate PAVE PAWS Payload Payload Compression Payload Controller Payload Fairing PBCH PBTI PC5 Interface PCA PCB PCB Assembly PCB EMC Checker PCB EMC Design PCB Layout PCB Stackup (EMC) PCB-Mount Connector PCell PCF PCM PCS Band Pd/Pfa Tradeoff PDA (Percent Defective Allowable) PDCCH PDCP PDCP Layer PDH Radio PDK PDN Design PDN Gateway PDN Impedance PDN Simulation PDR PDR-Flange PDSCH Peak Cancellation Peak Detector Peak Detector (Device) Peak Detector (EMC) Peak Point Peak Power (Thermal) Peak Power Meter Peak Power Rating Peak Power Sensor Peak Spatial SAR Peak Value Peak Windowing Peak-to-Average Power Ratio Peak-to-Average Power Ratio (Detail) Peak-to-Peak Value Peaking Amplifier PEC Boundary PECL PECVD Pedestal Taper Pedestrian Detection Pedestrian Warning PEEC PEEK Substrate Peel Strength Peel Test Peltier Cooler Penetration Depth (Tissue) Penetration Loss PennyLane Per-Unit-Length Parameters Perceptive Mobile Network Perfect Magnetic Conductor Performance Objective Period Periodic Permanent Magnet Periodic Structure Periodic Structure (Waveguide) Periodically Loaded Line Periodogram Permanent Magnet Permeability Permeability (Ferrite) Permeability Measurement Permittivity Permittivity (Tissue) Permittivity Measurement Permittivity Model Perpendicularity Personal RF Monitor Perturbation Method PESA PESA Architecture PESA Radar PET Scanner Petal Reflector Peterson Algorithm PFC PFD Limit Phantom (Medical) Phantom (Safety) phase Phase (Fundamental) Phase Accuracy Phase Ambiguity Phase Angle Phase Array Radar Phase Compensation Phase Constant Phase Delay Phase Delay (Math) Phase Detector Phase Difference Phase Encoding Phase Error Phase Estimation Phase Factor Phase Gradient Autofocus Phase Imbalance Phase Linearity Phase Locked Loop Design Phase Margin Phase Matching (PCB) Phase Measurement Phase Meter Phase Modulation Phase Modulator (Optical) Phase Noise Phase Noise (Fundamental) Phase Noise (Oscillator) Phase Noise Analysis Phase Noise Measurement Phase Qubit Phase Repeatability Phase Resolution Phase Resolution (Component) Phase Response Phase Separation Phase Shift (Component) Phase Shift Keying Phase Shifter Phase Shifter Design Phase Shifter IC Phase Slope Phase Slope (Component) Phase Stability (TL) Phase Taper Phase Trace Phase Tracking Phase Unwrapping Phase Velocity Phase Velocity (TL) Phase vs Temperature Phase-Change Material Phase-Coded Waveform Phase-Compensated Combiner Phase-Frequency Detector Phase-Locked Loop Phase-Matched Cable Phase-Only Synthesis Phase-Stable Cable Phased Array Phased Array (Mfg) Phased Array (Ultrasound) Phased Array Antenna Phased Array Coil (MRI) Phasor PHD Model Phi Cut Phosphor Bronze Photo-Chemical Machining Photodetector Photolithography Photon Counting LiDAR Photon Lifetime Photon Number Photonic ADC Photonic Bandgap Photonic Beamforming Photonic Crystal Fiber Photonic DAC Photonic Frequency Conversion Photonic Integrated Circuit Photonic Microwave Generation Photonic Mixing Photonic Radar Photonic RF Generation Photonic Sensing Photonic Signal Processing Photonic TTD Photonics-Aided THz Photoresist PHY (5G) PHY Frame PHY Layer Physical Layer Physical Length Physical Optics Physical Qubit Physical Theory of Diffraction Physical X Gate Physical Y Gate Physical-Layer Network Coding Pi Filter (EMC) Pi Pulse Pi-Attenuator Pi-Network Pi/2 Pulse PIC Pick-and-Place File Picocell Picofarad Picohenry Picowatt PID Controller (Cryo) Pierce Oscillator Piezoelectric Resonator Piezoelectric Transducer PIFA Pigtail Connection Pilot Contamination Pilot Density Pilot Pattern Pilot Signal Pilot Tone PIM Pin Alignment Pin Assignment PIN Attenuator Pin Depth Gauge PIN Diode PIN Diode Switch Pin Fin PIN Limiter PIN Photodiode PIN Switch Pin-Fed Patch PIND Test Pipeline ADC PL Factor Planar Antenna Planar Array Planar Balun Planar Code Planar Combining Planar Dielectric Waveguide Planar Inverted-F Antenna Planar Near-Field Planar Near-Field (Detail) Planar Transformer Planarization Planck Constant Plane Capacitance Plane Layer Plane Wave Planetary Radar Plant Extension Plasma Etch Plasma Limiter Plasma Wakefield Plastic Package (RF) Plate Fin Plated Slot Platform EMC Plating Plating Thickness Platinum Platinum Plating Platooning PLL Plot Extractor Pluggable Transceiver PMC Boundary PMCHWT PMD Compensation PMI PML Boundary PML Implementation PN Sequence PNM PO-PTD Poincare Sphere (EM) Point Averaging Point Count Point Source Point-of-Load Regulator Point-to-Multipoint Point-to-Point Link Pointing Error Pointing Loss Pointing Loss (Satellite Detail) Pointing Uncertainty Poisson Point Process POL Polar Code Polar Concatenation Polar Construction Polar Decoder Polar Display Polar Form Polar Loop Polar Mount Polar Orbit Polarizability Polarization Polarization (Antenna) Polarization Budget Polarization Diversity (Prop) Polarization Efficiency Polarization Loss (Satellite) Polarization Loss Factor Polarization Matrix Polarization Measurement Polarization Measurement (Antenna) Polarization Mismatch Polarization Mode Dispersion Polarization Plan Polarization Reuse Polarization Weight Polarization-Maintaining Fiber Pole-Zero Plot Polishing PolSAR PolSAR (Space) Polyimide Substrate Polynomial Fitting Polyphase Code Polyphase Filter Polyphase Filter Bank PON PON (Telecom) Port Definition Port Extension Port Impedance (Touchstone) Port Network Port Renormalization Port Selection Port Selection Codebook Port-to-Port Isolation Position Encoder Position Tolerance Position-Flexible Antenna Positioning Positioning (5G) Positive Feedback Positive Resist Post Coupled Filter Post Filter Post Machining Post-Detection Combining Post-Wall Waveguide Potter Horn Potting Compound Powder Coating Powder Core power Power Added Efficiency Power Amplifier Power Amplifier (EMC) Power Amplifier Classes Power Amplifier Module Power Budget (Optical Detail) Power Calibration Power Combiner Power Combining Power Conditioner Power Conditioning Power Consumption (Base Station) Power Contour Power Control Power Control (5G) Power Cycling Power Delay Profile Power Density Power Density Calculation Power Density Limit Power Derating Power Detector Power Diode Power Dissipation Power Distribution Network Power Divider Power Divider Manufacturing Power Factor Correction Power Fading Power Flux Density Power Flux Density (Link) Power Gain (Design) Power Gain (Math) Power Handling Power Handling (Isolator) Power Handling (Switch) Power Handling (Waveguide) Power Headroom Report Power Inductor Power Integrity Power Integrity (EMC) Power Integrity Simulation Power Layer Power Line Filter Power Loading Power Loss Power Meter Power Ratio Power Save Poll Power Saving (Telecom) Power Saving Mode Power Sensor Power Spectral Density Power Spectral Density (Fundamental) Power Spectral MTI Power Splitter (Measurement) Power Supply Design (RF) Power Supply Noise Power Supply Rejection Power Surge Power Sweep Power Transformer Power Transistor Power Wave Power Waves Power-Domain NOMA Power-Off Sequence Power-On BIT Power-On Sequence Poynting Vector Ppk PRACH PRACH (5G) Pragmatic TCM Pramanick-Bhartia PRBS PRBS-15 PRBS-31 PRBS-7 Pre-Amplifier Pre-Compliance Tester Pre-Equalization Pre-Matched Die Pre-Scan Preamble Preamble Detection Preamplifier (MRI) Precipitation Precision Adapter Precision Approach Radar Precision Attenuator Precision Coaxial Precision Load Precision Machining Precision Positioning Precision Rotary Attenuator Precision Type N Precision Waveguide Precoding Preconditioner Predictive Analytics Predictive Beamforming Predistortion (System) Predistortion Design Predistortion Filter Prefilter Prepreg Prepreg Layup Prescaler Preselector Preselector Filter Presentation Layer Press-Fit Connector Pressure Drop Pressure Window Primary Allocation Primary Group Primary Standard Primary Synchronization Signal Primary User Prime Contractor Prime Focus Antenna Primer Principal Component Analysis Principal Plane Principal Plane Pattern Printable Sensor Printed Antenna Printed Antenna (Auto) Printed Circuit Board Printed Circulator Printed Dipole Printed Electronics Printed Filter Printed Flexible Circuit Printed Ridge Gap Priority Queuing Private 5G Private Network Proactive Network Maintenance Probability Density Probe Calibration Probe Calibration Substrate Probe Compensation Probe Compensation (Detail) Probe Correction Probe Polarization Probe Request Probe Response Probe Station Probe Testing Probe Tip Probe Transition Probe-Fed Patch Process Capability Process Control Process Corner Process Design Kit Process Documentation Process Specification Process Tomography Processing Gain Product Code Production Testing Program Track Program Tracking Programmable Attenuator Programmable Metasurface Prolate Spheroid Prop 65 Propagating Quantum Microwave Propagation Constant Propagation Constant (Waveguide) Propagation Delay (Satellite) Propagation Domain Cancellation Propagation Loss Propagation Mode Propagation Model Proportional Fair Propulsion (Satellite) Protection Switching Proto-Flight Model Protograph Code Proton Testing Proximity Effect Proximity Fuse Proximity-Coupled Patch PRS Pruning Psat Pseudo-Random Noise Pseudomorphic HEMT PsiQuantum PSRR PSS PTAT Circuit PTB PTB (Standards) PTFE Substrate PTFE Substrate (Material) PTRS PTS PUCCH Puck Resonator Pull Test Pulling Pulsar Pulsar Timing Pulse Calibration Pulse Compression Pulse Generator Pulse Power Handling Pulse Radar Pulse Repetition Frequency Pulse Shaping Pulse Tube Cooler Pulse Tube Cryocooler Pulse Width Pulse-Doppler Processing Pulse-Doppler Radar Pulsed Power Pulsed S-Parameter Measurement Pulsed Source Pump Line Punctured Code Puncturing Purcell Decay Rate Purcell Effect Purcell Filter Purcell Limit Purcell Rate Purcell-Protected Readout PUSCH Push-and-Shove Push-Broom Radiometer Push-On Connector Push-Pull Amplifier Push-Push Oscillator Pushing PWS Pyramidal Absorber Pyramidal Horn Python (RF) PZT

q Q Circle Q Factor Q of Component Q-Band Q-Band (Satellite) Q/V-Band (Satellite) QAM QAM (CATV) QAM Modulation (Detail) QC-LDPC QFN (RF) QFN Package (RF) Qi Standard Qiskit QMA Connector QML QMSIW QND Readout QoE Qorvo QoS QoS Data QoS Null QPL QPP Interleaver QPSK QSFP-DD Quad-Ridge Waveguide Quadrature Amplitude Modulation Quadrature Component Quadrature Hybrid Quadrature Point Quadrifilar Helix QuaDRiGa Quadrupler Qualcomm Qualification Qualification Strategy Qualification Test Quality Assurance Quality Control Quality Factor (Fundamental) Quality Factor (Math) Quality Factor (Quantum) Quality of Experience Quality of Service (Satellite) Quantinuum Quantization Quantization (CSI) Quantization Error Quantization Floor Quantization Noise Quantized Feedback Quantum Advantage Quantum Chip Quantum Cloud Quantum Coherence Quantum Communication Quantum Communication (RF) Quantum Control Quantum Efficiency (Optical) Quantum Error Correction Quantum Gate Quantum Illumination Quantum Interconnect Quantum Internet Quantum Key Distribution Quantum Magnetometer Quantum Memory Quantum Microwave Quantum Network Quantum Noise Quantum Noise Limit Quantum Non-Demolition Quantum Processor Quantum Radar Quantum Readout Quantum Repeater Quantum Sensing Quantum Software Quantum Squeezing Quantum State Tomography Quantum Supremacy Quantum Teleportation Quantum Transduction Quantum Utility Quantum Volume Quantum Well Quantum-Limited Amplifier Quantum-Limited Mixer Quarter-Brick Quarter-Mode SIW Quarter-Wave Quarter-Wave Cavity Quarter-Wave Impedance Transform Quarter-Wave Resonator Quarter-Wave Transformer Quartz (Dielectric) Quartz Substrate Quartz Window Quasi-Cyclic LDPC Quasi-Monochromatic Quasi-Optical Quasi-Peak Detector Quasi-Peak Detector (EMC) Quasi-TEM Mode Qubit Qubit Frequency Queuing Quick-Lock Connector Quiescent Current Quiet Zone Quiet Zone (Meas)

r Ra Ra Roughness Rabi Frequency Rabi Oscillation RACH Rack Amplifier Rack Mount Rack-Mount Power Supply Radar Radar Absorbing Material Radar Absorbing Material (Detail) Radar Allocation Radar Altimeter Radar Ambiguity Function Radar Cross Section Radar Cross Section Measurement Radar Cross Section Reduction Radar Data Processor Radar Doppler Processing Radar Equation Radar Horizon Radar Localization Radar Map Radar Module Radar Point Cloud Radar Range Equation Radar Range Resolution Radar Receiver Radar Resolution (Auto) Radar Resource Management Radar Signature Radar Warning Receiver Radar Waveform Radar Waveform (Auto) Radar Waveform Design Radar-Aided Beam Radar-Camera Fusion Radar-LiDAR Fusion Radial Combiner Radial Stub Radial Velocity Radiall Radiated Coupling Radiated EMI (Power) Radiated Emissions Radiated Power Radiated Susceptibility Radiating Near Field Radiation Boundary Radiation Cooling Radiation Efficiency Radiation Efficiency Measurement Radiation Hardened (Std) Radiation Hardening Radiation Hardness Assurance Radiation Loss Radiation Lot Testing Radiation Pattern Radiation Pattern Cut Radiation Pattern Envelope Radiation Resistance Radiation Shield Radiation Shield (Cryo) Radiation Testing Radiative Heat Load Radiative Heating (Medical) Radiative WPT Radiator (Satellite) Radio Astronomy (Allocation) Radio Astronomy Receiver Radio Astronomy Service Radio Determination Radio Frequency Interference (Astronomy) Radio Mobile Radio Network Controller Radio Occultation Radio over Fiber Radio Planning Radio Resource Management Radio Spectrum Radio Telescope Radio Wave Radiofrequency Ablation Radiographic Inspection Radiolocation (Allocation) Radiolocation Service Radiometer Radionavigation (Allocation) Radionavigation Service Radome Radome Design Radome Ice Radome Loss Radome Manufacturing (Detail) Radome Material Rafael Rain Attenuation (Radar) Rain Attenuation Band Rain Depolarization Rain Fade Rain Fade (Detail) Rain Loss (Link) Rain Margin Rain Margin (Detail) Rain Rate RAIN RFID Rain Zone rain-attenuation Raised Cosine Rake Receiver Raman Amplifier Ramsey Experiment RAN Architecture RAN Sharing RAN Slicing Random Access Random Access (5G) Random Access Preamble Random Array Random Array Thinning Random Codebook Random Interleaver Random Matrix Random Signal Radar Random Vibration Randomized Benchmarking Range Ambiguity Range Bin Range FFT Range Gate Range Gate Pull-Off Range Migration Range Profile Range Resolution Range Resolution (Auto) Range Resolution (Radar) Range-Doppler Map Ranging Rank Indicator Rao Test Rapid Thermal Anneal Rapid Thermal Cycling rApp Rat-Race Coupler Rate Adaptive Rate Matching Rate Matching Pattern Rate-Compatible Code Rate-Splitting Multiple Access Rational Function Fitting Raw Data Ray Tracing Ray-Based Model Rayleigh Channel Rayleigh Distance Rayleigh Distribution Rayleigh Fading Rayleigh Scattering Rayleigh Sensing Rayleigh-Ritz Method Raytheon RB (Randomized Benchmarking) RC Circuit RCD Snubber RCS RCS Measurement RDI RDL Re-Entrant Cavity Re-Export REACH Reactance Reactance (Fundamental) Reaction Wheel Reaction-Type Frequency Meter Reactive Feedback Reactive Near Field Reactive Power Divider Reactively Matched GaN Readout Duration Readout Fidelity Readout Frequency Readout Multiplexing Readout Power Readout Resonator Readout SNR Real Beam Map Real Frequency Technique Real Impedance Real Part Real Trace Real-Imaginary Real-Time Feedback Real-Time Oscilloscope Real-Time Spectrum Analyzer Reaming Rear Radar Rear-Fed Reflector Receive Chain Receive Module Receive Port Receive Threshold Receive-Only Coil Received Signal Level Receiver Receiver Architecture Receiver Calibration Receiver Linearity Receiver Operating Characteristic Receiver Protector Receiver Sensitivity Receiver-Only (Space) Receptor Reciprocal Mixing Reciprocal Phase Shifter Reciprocity Reciprocity (Math) Reciprocity Theorem Reciprocity-Based Method Reconfigurable Antenna Reconfigurable BPF Reconfigurable Circuit Reconfigurable Intelligent Surface Reconfigurable OADM Recovery Time Recovery Time (Power) Rectangular Display Rectangular DRA Rectangular Form Rectangular Waveguide Rectangular Waveguide Theory Rectangular Window Rectangular-to-Circular Transition Rectenna Rectifying Antenna Recurrent Neural Network (RF) RED Directive Redistribution Layer Reduced Height Waveguide Reduced Width Waveguide Reduced-Rank STAP Reduction Factor Reed-Solomon Code Reed-Solomon Decoding Reference Antenna Reference Attenuator Reference Channel Reference Clock Reference Divider Reference Impedance Reference Level Reference Oscillator Reference Plane Reference Plane (EM) Reference Plane (EMC) Reference Plane (TL) Reference Radiation Pattern Reference Signal Reference Source Reference Trace Reference Window Reflectarray Reflectarray Antenna Reflected Wave Reflection (EM) Reflection (Fundamental) Reflection Coefficient Reflection Loss (Shielding) Reflection Measurement Reflection Phase Reflection Phase Shifter Reflection Point Reflective Filter Reflective Switch Reflectivity (Absorber) Reflector Antenna (Satellite) Reflector Element Reflector Manufacturing Reflow Soldering Refocusing Pulse Refraction (EM) Refraction (Radar) Refractivity Profile REG REG Bundle Regeneration Regeneration Budget Regenerative Divider Regenerative Payload Regenerative Transponder Region 1 Region 2 Region 3 Region of Convergence Regional Beam Registration Regular LDPC Reinforcement Learning (RAN) Reinforcement Learning (RF) Rejection Rejection Number Relative Gain Relative Intensity Noise Relative Permeability Relative Permittivity (EM) Relaxation Model Relay Attack Relay Attack Prevention Relay Channel Relay Node Reliability (Fab) Reliability (Network) Reliability Objective Reliability Target Reliability Testing Remanent Magnetization Remote Defect Indication Remote Driving Remote Keyless Entry Remote MACPHY Remote Monitoring Remote Patient Monitoring Remote PHY Remote Radio Head Device Remote Start Remote Terminal Renormalization Repeat-Accumulate Code Repeater (5G) Repeater Spacing Repetition Reporting Configuration Requirements Analysis Residential Channel Residual BER Residual Error Residual Self-Interference Resilience Resin Transfer Molding Resistance Resistance Welding Resistive Attenuator Resistive Feedback Resistive Mixer Resistive Power Divider Resistive Splitter Resistivity ResNet (RF) Resolution Bandwidth Resolver Resonance Resonance (Fundamental) Resonance Condition Resonance Frequency (Math) Resonance Isolator Resonance Model Resonance Suppression Resonant Absorber Resonant Combining Resonant Frequency Resonant Frequency (FEM) Resonant Iris Resonant Method Resonant Regime Resonant Slot Resonant WPT Resonator Design Resonator Frequency Resonator Phase Noise Resonator-Mediated Coupling Resource Allocation Resource Allocation (Radar) Resource Block Resource Element Resource Grid Response Calibration Responsive Jamming Responsivity Restricted Region Restricted TWT Retarded Potential Reticle Retransmission Return Current (EMC) Return Loss Return Loss (Fundamental) Return Loss (TL) Return Loss (Waveguide) Return Loss Budget Return Loss Pad Return Path Reuse Factor Reverberation Chamber Reverse Gain Reverse Path Reverse Polarity Protection Reverse Power Reverse Reflection Reverse SMA Reverse Transmission Reverse-Brayton Cooler Revision Control Revisit Time Rezence rf RF Ablation RF Absorber RF Architecture RF Awareness Training RF Budget RF Budget Analysis RF Burns RF Chain RF Choke RF CMOS RF CMOS Design RF CMOS Process RF Direction Finding RF Dosimetry RF Energy Harvesting RF Exposure RF Exposure Limits RF Feed System RF Front End RF Front-End Module RF Hazard Sign RF Hyperthermia RF Interference (Auto) RF ISL RF Jammer (Counter-UAS) RF Jamming RF Layout RF Layout Guidelines RF LDMOS RF Line-of-Sight RF MEMS RF Module RF Module Integration RF over Ethernet RF over Glass RF Path RF PCB Design RF Power Amplifier (MRI) RF Power Meter RF Power Supply RF Proximity Fuse RF Pulse RF Safety RF Safety Officer RF Safety Program RF Section RF Seeker RF Shielding Can RF Shimming (MRI) RF Slip Ring RF SOI RF SQUID RF Subsystem RF Switch RF Switch (Device) RF Switch Design RF Switch Matrix RF System RF Test Fixture RF Testing (Manufacturing) RF Warning Sign RF Wiring (Cryo) RF-to-IF Isolation RFI RFI Mitigation RFIC RFIC Design rfid RFID Antenna (Detail) RFID Implant RFID Reader RFID Tag RFoG RFP RFSOI RG-174 RG-316 RG-402 RG-405 RG-58 RHA RHCP Rhodium Plating Rhodium Plating (Waveguide) Rhombic Antenna Rib Reflector Ribbon (Bond Wire) Ribbon Bond Ribbon Fiber Riblet Coupler Riblet Short-Slot Coupler RIC Richardson RFPD Rician Channel Rician Distribution (Math) Rician Fading Ride-Through Ridge Gap (TL) Ridge Gap Waveguide Ridge SIW Ridged Waveguide RIE Rigetti Computing Right-Angle Bend (Trace) Right-Angle Connector Right-Hand Circular Right-Handed Material RIN Ring (Design) Ring DRA Ring Mixer Ring Modulator Ring Network Ring Oscillator Ring Protection Ring Resonator Ring Wave Ring-Bar TWT Ring-Focus Feed Ring-Focus Reflector Ringing RIP (Restricted Isometry) Ripple Ripple (Filter) Ripple Rejection Ripple Test RIS RIS (Reconfigurable Intelligent Surface) Rise Time Rise Time (EMI) Risk Analysis RL Circuit RLC RLC Circuit RLC Layer RLS Algorithm RMS Delay Spread RMS Detector RMS Power RMS Roughness RMS Value Road Boundary Detection ROADM Robust PCA ROC Curve Rocket Lab Rod Antenna Rogers 3003 Rogers 3006 Rogers 4003C Rogers 4350B Rogers Substrate Rohde & Schwarz Rohde Schwarz FPL Rohde Schwarz FSW Rohde Schwarz FSWP Rohde Schwarz SMA100B Rohde Schwarz SMW200A Rohde Schwarz ZNA Rohde Schwarz ZNB Rohde Schwarz ZVA RoHS Roll Positioner Roll-Off (DVB) Roll-Off Factor Roll-Off Factor (Satellite) Rollett Stability Factor Roof Antenna Roof-Mount Antenna Rooftop Basis Rooftop Safety Room Temperature Electronics Root Cause (Network) Root Cause Analysis Root Raised Cosine Root-MUSIC Rosenberger Rosin Flux Rotary Joint Rotary Vane Attenuator Rotated Surface Code Rotating Phasor Rotation Angle Rotation Axis Rotman Lens Rotman Lens (Architecture) Roughing Pump Roughness (Substrate) Round Flange Round Robin Round Trip Time (5G) Round-Trip Delay Round-Trip Time Rounded-Hill Loss Route Selection (IAB) Routing and Spectrum Assignment Routing and Wavelength Assignment Row Architecture RP-SMA RPE RRC Connection RRC Inactive RRC Reconfiguration RRC Setup RRM RRM (Radar) RRU RSA RSL RSMA RTCA RTCA DO-178C RTD (Resonant Tunneling Diode) RTS/CTS RU RU (Radio Unit) Ruggedness Rule-Based EMC Ruthenium Oxide Ruthroff Balun RWA RWG Basis RX Sensitivity Rydberg Atom Sensor Rydberg Electrometry Rz Rz Roughness