frequency-hopping system

- acoustic alarm system
- acoustic image system
- acoustic systems
- actiontrack system
- active IR-system
- actuator system
- adaptive communication system
- adaptive teleinformation system
- adaptive telemetering system
- advanced information system
- Afsatcom system
- air system
- aircraft intercommunication system
- airfield communication system
- air-ground automatic system
- airline reservation system
- air-to-ground TV system
- alarm signal system
- alarm system
- all-channel signaling system
- ALL-IN-ONE system
- alphanumeric system
- amplified speaker system
- amplitude shift-keying system
- AMPS system
- analog cellular communication system
- analog cellular system
- analog component video system
- analog television system
- analog tropospheric system
- anisochronous system
- antenna system
- antitheft system
- AR system
- Arabsat system
- ASK system
- associated channel analog system
- asynchronous address communication system
- audio recording system
- Aurora system
- Aussat system
- automatic communication system
- automatic connection establishment system
- automatic control system
- automatic data acquisition system
- automatic telegraphy system
- automatic telephone system
- automatic tuning system
- automatized cellular system
- auxiliary alarm system
- balanced cable transmission system
- band sharing system
- base station system
- baseband system
- basic input/output system
- bass-reflex speaker system
- batch processing system
- batch transmission system
- batch-and-forward system
- batteryless system
- bilateral CTV system
- binary tariff system
- biocontrol system
- bit parallel interface system
- bit transport system
- bridge duplex system
- broadband mobile system
- broadcast satellite system
- broadcasting delivery media systems
- burglar alarm system
- byte-serial interface system
- cabinet system
- cabinetless system
- cable distribution system
- cable TV system
- call-accounting system
- call-answering system
- call-counting system
- call-distributing system
- call-processing system
- call-queueing system
- camp-on system
- CAPTAIN system
- car component audio system
- carrier reinsertion system
- carrier system
- carrier-communication system
- carrier-current communication system
- Cassegrain-Schmidt system
- cassette recording system
- cassette reproducing system
- CATRIN system
- caution system
- CD 900 system
- cellular system
- cellular-radio system
- central-battery system
- centralized control system
- chirp binary telegraph system
- cipher system
- circuit switched telecommunication system
- circuit switching telecommunication system
- circular telecontrol system
- clock system
- closed-circuit communication system
- closed-circuit telegraph system
- closed-numbering system
- code-dependent system
- code-division multiple access system
- code-independent system
- code-insensitive system
- code-sensitive system
- coding system
- coherent fiber-optic system
- collimating system
- collocated system
- color separating system
- combined numbering system
- combined power supply system
- combined satellite communication system
- common-battery system
- common-carrier system
- common-channel signaling system
- common-engineering communication system
- common-purpose cellular system
- common-using band system
- common-using cordless telephone system
- common-using paging system
- communication system
- communication traffic system
- communications system
- community antenna system
- community antenna television system
- community TV-system
- commununication switching system
- compact disk digital audio system
- compatible color television system
- compatible single sideband system
- compatible single-band system
- compatible TV-system
- complex radio communication system
- computer vision system
- computer-telephone system
- Comsar system
- Comsat system
- Conax system
- concentrated-insonation system
- conference system
- conference-communication system
- congested system
- congress-class system
- constant-current system
- control generating system
- conventional television system
- Conversant system
- cordless-communication system
- crossbar system
- crossed-coincident microphone system
- Crosspoint system
- CSE system
- C-system
- cubical video projecting system
- data processing system
- data system
- data transport system
- data-collection system
- data-compression system
- data-exchange system
- dataflow system
- data-gathering system
- data-handling system
- data-measuring system
- data-reduction system
- data-transmission system
- Decca Navigator system
- DECfax system
- decision-feedback system
- dedicated control channel system
- dedicated multimedia system
- delta-sigma system
- deluxe presentation system
- departmental communication system
- desktop-video system
- DFS/Copernicus system
- dial-telephone system
- differential phase shift-keying system
- differential-duplex system
- differential-magnetic system
- digital camera system
- digital hybrid-key telephone system
- digital mass storage system
- digital microwave radio transmission system
- digital telephone communication system
- digital transmission system
- digital TV-communication system
- Digital UNIX system
- digital-analog system
- digital-cellular system
- digital-data modulation system
- digital-effect system
- digital-message entry system
- digital-termination system
- direct-broadcasting satellite system
- directing system
- direct-modulation system
- direct-sequence system
- direct-telephone communication system
- discrete communication system
- discrete sound system
- discrete-addressing system
- disk-operating system
- DISOSS system
- dispatch telephone communication system
- dispatch-center system
- dispersed-insonation system
- distributed-insonation system
- distributed-processing system
- documental-type communication system
- Dolby systems
- domestic satellite communication system
- double-band telephone communication system
- double-channel transmission system
- double-current transmission system
- double-pole communication system
- double-sideband large carrier system
- DSCS system
- D-system
- dual-cable system
- dual-reflector system
- duplexed system
- Earth-to-space transmission system
- ECM system
- electric communication system
- electronic antishock system
- electronic data-gathering system
- electronic data-processing system
- electronic-message system
- electronic-scanning system
- electronic-switching system
- Ellipso system
- emergency telephone communication system
- emergency-broadcast system
- EMX system
- equidistant system
- error-correction system
- error-detection system
- Eutelsat system
- extensible system
- external paging system
- facsimile system
- fast-acting servicing system
- fault-tolerant system
- fax communication system
- fax transmitting system
- feed system
- fiber transmission system
- fiber-optic transmission system
- field-sequential system
- final mile system
- finishing system
- fire alarm system
- fire warning system
- first generation cellular system
- five-channel communication system
- fixed satellite system
- Flexcam system
- flexible access system
- Flitsatcom system
- focusing system
- four-channel sound system
- four-dimensional system
- four-wire telephone communication system
- frame-sequential system
- frequency shift-keying system
- frequency-carrier system
- frequency-control system
- front-bass reflex speaker system
- fully digital system
- gate system
- Gaussian system
- generalized system
- generating dynamic system
- generator-dc-motor system
- GIGASET radio system
- global positioning system
- Global system
- Gopher system
- grandfathered system
- group-alerting and dispatching system
- guide system
- hard-wired CCTV system
- hazard system
- helical-scan system
- HF-synchronizing system
- high-precision navigating system
- Hi-linear system
- home system
- home-telephone system
- home-type system
- homing-guidance system
- host system
- hydroacoustic system
- ideal communication system
- idealized system
- image informaion system
- image-forming system
- immedial servicing system
- incompatible system
- independent system
- information retrieval system
- information system radio system
- information system
- information-feedback system
- information-measuring system
- infrared alarm system
- Inmarsat system
- Inmarsat-A system
- Inmarsat-B system
- Inmarsat-C system
- Inmarsat-D system
- Inmarsat-M system
- Inmarsat-P system
- integrated telephone system
- integrated videographic teleconferencing system
- integrated-antenna system
- integrated-communication system
- integrated-modulation system
- integrated-office system
- Intelsat system
- interactive system
- intercarrier-sound system
- intercommunication system
- intercontinental tropospheric system
- interlock system
- intermachine exchange system
- intermediate system
- international communication system
- interphone system
- Intervision system
- intraband signaling system
- intruder alarm system
- inward-outward dialing system
- ionoscatter system
- ionosphere sounder system
- ionospheric system
- Iridium system
- isolated system
- Italsat system
- J-carrier system
- joint-multichannel trunking and switching system
- K-carrier system
- key system
- key-telephone system
- land satellite communication system
- large-grained communication system
- laser communication system
- L-band satellite system
- L-carrier system
- Leasat system
- lightning protection system
- limited distortion system
- line amplifiers system
- link system
- little-channel relay system
- local alarm system
- local battery system
- local communication system
- local radio paging system
- long-haul system
- long-range system
- loop system
- loud-speaking communication system
- low-traffic system
- magnetic tape recording system
- Mail system
- management-information system
- manual cellular system system
- manual telephone set system
- Marisat system
- master television system
- master-antenna television system
- matrix sound system
- message feedback system
- message procession system
- message registration system
- message-switched system
- meteor radio system
- Metrobus system
- micro component system
- Micro Press Cluster Printing system
- micro-lens system
- microprocessor system
- microwave relay system
- midi system
- mine radio telephone system
- mini system
- mixed media system
- mixed numbering system
- mobile cellular communication system
- mobile land communication system
- mobile radio system
- mobile relay system
- mobile system
- modulated system
- monetary mobile system
- MS-Mail system
- multiareal system
- multicassette system
- multichannel telephone system
- multicomputer system
- multidisk system
- multiformat recording system
- multifrequency tone signaling system
- multiguard system
- multilevel mixed system
- multimedia system
- multiple-channel system
- multiqueue system
- Multiscrypt system
- multistandard system
- multitrack editing system
- mutibeam antenna system
- muting system
- Nagravision system
- NAMTS system
- narrow-angle TV system
- national communication system
- navigation system
- n-channel communication system
- n-channel DPSK system
- n-channel transmission system
- network standalone system
- network system
- network-operation system
- networks numbering system
- neutral direct-current telegraph system
- n-head video system
- NMT system
- noise-reduction system
- nonhoming tuning system
- noninterlaced television system
- nonsegmented system
- Norsat system
- n-satellite system system
- n-tone DPSK system
- n-tone MFSK system
- NTSC system
- NTT system
- obligatory message system
- Odyssey system
- off-line system
- on-line computer system
- on-line secured system
- open numbering system
- open system
- operative-engineering communication system
- opposite signals system
- optical-communication system
- optical-information system
- optical-projection system
- optoelectronic system
- oscillating system
- oscillation system
- outband signaling system
- package-and-resource tracking system
- pagemaster system
- paging system
- PAL system
- parametric system
- PATHWORKS system
- pattern recognition system
- personal holding guard system
- phase shift-keying system
- phone system
- Piccolo system
- pilot-controller system
- polar direct-current telegraph system
- portable mobile system
- power control system
- power controlling system
- power-line carrier system
- power-supply system
- press-to-talk system
- Prestel system
- primary-supply system
- privacy system
- private branch paging system
- private movable system
- private videodata system
- private videotex system
- process-interface system
- PROFS system
- programmable cross-connect system
- programmable cross-connected system
- programmed radio system
- prompting system
- protected wireline distribution system
- protection system
- pseudoquadraphony system
- pseudotrunking system
- public videodata system
- public videotex system
- pulse-code system
- pulse-frequency system
- pulse-time system
- quadraphonic sound system
- quadruple-diversity system
- R1 system
- R2 system
- radio buoy system
- radio command system
- radio communication system
- Radio Data system
- radio facsimile system
- Radiocom 2000 system
- radio-control system
- radio-paging system
- radio-relay system
- radiosonde-radio-wind system
- radio-telemetering system
- real time pulse-echo system
- real time system
- receiver lockout system
- recording system
- recovery system
- redundant system
- reference-information system
- regional electronic payment system
- relay-radio system
- remote concentrating system
- remote control system
- remote diagnostic system
- remote information system
- remote semiconcentrating system
- remote sensing system
- remote signaling system
- rendering system
- rerecording system
- reserved servicing system
- RF/Transmission system
- rotary system
- safety alarm system
- safety system
- Satcom system
- satellite comminication system
- satellite marine comminication system
- Satellite Master Antenna Television system
- satellite radio system
- satellite-aircraft communication system
- SB-communication system
- SBL communication system
- scalable system
- scanning trunking system
- SCO UNIX system
- searchless identification system
- seat reservation system
- SECAM system
- second generation cellular system
- second room system
- secondary supply system
- secrecy system
- section communication system
- security system
- segmented system
- seismic system
- selective calling system
- selective frequency base station system
- selective protective system
- selective telephone system
- self-adjusting system
- self-balancing differential system
- self-contained system
- self-test system
- selsyn system
- semiautomatic-switching system
- semiautomatized cellular system
- sensory system
- servo system
- shadow-batch system
- short-haul microwave system
- Sicral system
- Sigma Servo system
- signal system
- simplex movable system
- single-band transmission system
- single-busbar system
- single-cable communication system
- single-cable system
- single-channel system
- single-current transmission system
- single-pulse tracking system
- Skynet system
- small-grained communication system
- SmarTrunk II radio communication system
- solid-state uninterruptible power battery system
- Sony bus system
- sound alarm system
- sound equalization system
- sound navigation system
- sound reinforcement system
- sound warning system
- space-division system
- space-switched system
- spark-safe system
- speaker system
- special communication system
- speech-processing system
- speech-recognition system
- split-speaker system
- spread-spectrum system
- stabilizing system
- stage monitoring system
- standalone double point system
- star-circuit system
- STAREX CMX system
- starting communication system
- start-stop system
- stationary satellite system
- step-by-step system
- stereo sound system
- stereophonic sound system
- storage system
- storage-and-retrieval system
- Strowger system
- submarine fiber-optic system
- subprimary digital transmission system
- subscriber carrier system
- subscriber switching system
- suffix system
- Supersat system
- supervisory control system
- surround sound system
- switched telecommunication system
- switching system
- sync communication system
- synchro system
- synchronous communication system
- synchronous digital system
- TAGS system
- tandem system
- tariffication system
- T-carrier system
- TDF system
- teleautomatic system
- Telecom system
- telecommunication system
- telecommunications system
- telecommunication-service priority system
- telecommunications-service priority system
- telecontrol system
- telemechanic system
- telemetering system
- telemetry system
- telephone system
- telephone-answering system
- telephone-communication system
- telephone-communications system
- teleprocessing system
- Telesat system
- teletex system
- teletypewriter system
- television-telephone system
- Tele-X system
- Telsar system
- terminal system
- terrestrial radio-relay system
- theft-prevention system
- thin-route system
- third generation communication system
- three-axle stabilizing system
- three-channel HF-telephone system
- three-channel transmission system
- three-color system
- three-lens optical system
- three-primary system
- three-wire system
- time-dissemination system
- time-frequency hopping system
- time-switched system
- total access communication system
- total area coverage system
- transmission system
- trichromatic system
- triple-interlace system
- triplex system
- trunk communication system
- TV-observation system
- twelve-channel transmission system
- two-arm system
- two-band system
- two-color system
- two-roller transfer system
- two-step control system
- two-way CATV system
- two-way system
- two-wire telephone communication system
- ultra-match system
- ULTRIX system
- unified radioaccess system
- unilateral-control system
- unilateral-synchronization system
- uninterruptible-power system
- Unisat system
- universal alarm system
- universal-battery system
- universal-electronic system
- universal-movable system
- Uniworks system
- vestigial-sideband system
- video editing system
- video home system
- video recording system
- videocom system
- videoteleconference system
- videotex system
- virtual studio system
- vision system
- vocoder system
- voice dialog system
- voice frequency carrier telegraph system
- voice modulation system
- voice post system
- volume control system
- waiting system
- warning system
- watch system
- watching system
- waterside facsimile communication system
- wave-propagating system
- wide-angle TV system
- Winfax Pro system
- wired broadcasting system
- wireless CCTV system
- wireless home system
- wireless infrared speaker system
- wire-radio communication system
- XY system
- zone-selective protection system
- zoning system

frequency-modulated

frequency adjustment

frequency agility

frequency alignment

frequency allocation

frequency band

frequency calibrator

frequency change

frequency changer

frequency channel

frequency characteristic

frequency compensation

frequency component

frequency compressive feedback demodulator

frequency control

frequency conversion

frequency converter

frequency counter

frequency coverage

frequency-current converter

frequency curve

frequency cut-off

frequency demodulation

frequency demodulator

frequency departure

frequency detector

frequency deviation

frequency displacement

frequency distortion

frequency distribution

frequency distribution curve

frequency diversity

frequency divider

frequency-division multiple access

frequency-division multiplexing

frequency-division switching system

frequency domain

frequency-domain signal processing

frequency doubler

frequency drift

frequency encoding

frequency fall-off

frequency flutter

frequency hopping

frequency-hopping oscillator

frequency interlace

frequency inversion

frequency loss

frequency meter

frequency modulation

frequency-modulation modem

frequency-modulation noise

frequency-modulation transmitting signal

frequency modulator

frequency monitor

frequency multiplexer

frequency multiplexing

frequency multiplication

frequency multiplier

frequency-multiplier klystron

frequency noise

frequency offset

frequency overlap

frequency pulling

frequency pushing

frequency range

frequency regulation

frequency rejection

frequency relay

frequency resolution

frequency response

frequency-response curve

frequency retrace

frequency reuse

frequency scale

frequency scanner

frequency scanning

frequency-selective amplifier

frequency-selective filter

frequency selector

frequency separation

frequency shift

frequency-shift keying

frequency-shift keying modem

frequency source

frequency spectrum

frequency stabilizer

frequency standard

frequency sweep

frequency synthesis

frequency synthesizer

frequency test

frequency tracking

frequency transducer

frequency transformer

frequency translation

frequency tuning

frequency-uncertainty band

- 3-D radar
- acoustic radar
- acq radar
- acquisition radar
- acquisition-and-tracking radar
- active radar
- adaptive radar
- advanced design array radar
- aerostat radar
- AEW radar
- AI radar
- airborne radar
- airborne early-warning radar
- airborne intercept radar
- airborne search radar
- airborne sea-search radar
- aircraft radar
- aircraft intercept radar
- airfield control radar
- air intercept radar
- airport surveillance radar
- air route surveillance radar
- air search radar
- air-to-surface-vessel radar
- air traffic control radar
- all-round-looking radar
- anticollision radar
- antisurface vessel radar
- approach-control radar
- area control radar
- array radar
- autofollow radar
- autofollowing radar
- automatic tracking radar
- automotive radar
- autotrack radar
- azimuthal-scanning radar
- backscatter radar
- backsearch radar
- baseband radar
- battery control radar
- battlefield surveillance radar
- beacon radar
- beam-rider radar
- beam-transmitter radar
- bistatic radar
- capture radar
- chaser radar
- chirp radar
- chirped radar
- close control radar
- cloud-collision radar
- coastal defense radar
- coastal defense radar for detecting U-boats
- codiphase radar
- coherent radar
- coherent laser radar
- coherent pulse radar
- coho radar
- collision-avoidance radar
- collision-warning radar
- color radar
- conflict radar
- conical-scanning radar
- continuous-wave radar
- continuous-wave Doppler radar
- counter-countermeasure radar
- cw radar
- deep-space surveillance radar
- detection radar
- digital radar
- discrimination radar
- diversity radar
- Doppler radar
- Doppler-free coherent radar
- down-looking radar
- dual Doppler radar
- dual frequency radar
- early-warning radar
- electronically agile radar
- electronically scanned array radar
- electrooptic radar
- fan-beam-radar
- fire-control radar
- flight path radar
- FM radar
- FM cw radar
- forward-looking radar
- frequency agile pulse radar
- frequency-diversity radar
- frequency-hopping radar
- frequency-modulated radar
- frequency scan radar
- gap-filler radar
- GCA radar
- general-purpose radar
- ground radar
- ground-based radar
- ground control radar
- ground-controlled approach radar
- ground-mapping radar
- ground-position radar
- ground surveillance radar
- ground-to-air radar
- ground-waveradar
- guidance radar
- guided radar
- guiding radar
- hand radar
- hand-held radar
- hard point demonstration array radar
- height-finder radar
- height-finding radar
- high-power acquisition radar
- high PRF radar
- high pulse-repetition-frequency radar
- HISS radar
- hologram matrix radar
- holographic radar
- holographic ice surveying system radar
- HT finder radar
- hypothetical radar
- identification friend-or-foe radar
- IFF radar
- imaging radar
- incoherent scatter radar
- infrared radar
- instrumentation radar
- interferometer radar
- interplanetary radar
- interrogating radar
- interrogation radar
- ionospheric radar
- jammed radar
- landing radar
- landing-assist radar
- laser radar
- laser-diode radar
- laser-Raman radar
- light radar
- line-of-sight radar
- long-pulse radar
- long-range radar
- look-down radar
- low-range radar
- lunar radar
- man-borne radar
- mapping radar
- medium-range radar
- meteorological radar
- microwave radar
- microwave-modulator optical radar
- miniature radar
- missile-track radar
- missile-tracking radar
- monopulse radar
- monostatic radar
- moving-target indication radar
- moving-target indicator radar
- multifrequency radar
- multifunction array radar
- multimode radar
- multistatic radar
- navigation air radar
- navigational radar
- noise radar
- noise-modulated radar
- noncoherent pulse radar
- off-boresight radar
- offset Doppler radar
- omnirange radar
- on-line radar
- optical radar
- orbital rendezvous radar
- OTH radar
- overlap radar
- over-the-horizon radar
- panoramic radar
- passive radar
- pencil-beam radar
- phase-comparison radar
- phased-array radar
- phase-sensing monopulse radar
- planetary radar
- plan-position-indicator radar
- PN encoded radar
- polychromatic radar
- position radar
- power radar
- precision approach radar
- primary radar
- pseudonoise encoded radar
- pulse radar
- pulse-compression radar
- pulse Doppler radar
- pulse-modulated radar
- random signal radar
- range Doppler radar
- range-gated radar
- range only radar
- reconnaissance radar
- rendezvous radar
- satellite track radar
- satellite tracking radar
- search radar
- secondary radar
- semiactive radar
- sensing radar
- short-pulse radar
- Shuttle imaging radar
- side-looking radar
- side-looking airborne radar
- side-looking airborne modular multimission-radar
- single-beam radar
- sky-wave radar
- space radar
- space-based radar
- spacecraft-borne radar
- space-diversity radar
- stacked-beam radar
- step-frequency radar
- storm radar
- subsurface pulse radar
- subterranian radar
- sum-and-difference monopulse radar
- surface-wave radar
- surveillance radar
- swept-frequency radar
- synthetic-aperture radar
- synthetic interferometer radar
- tail warning radar
- target-track radar
- taxi radar
- terminal radar
- terrain-avoidance radar
- terrain-clearance radar
- terrain-following radar
- tethered-aerostat radar
- three-dimensional radar
- tracker radar
- tracking radar
- transionospheric radar
- ultra wide band radar
- UWB radar
- V-beam radar
- vehicle radar
- velocity radar
- very long-range radar
- very short-range radar
- video pulse radar
- volumetric radar
- wavefront-reconstruction radar
- weather radar
- wide-band radar
- wind-finding radar
- zenith-pointing radar

- acoustic radar
- acq radar
- acquisition radar
- acquisition-and-tracking radar
- active radar
- adaptive radar
- advanced design array radar
- aerostat radar
- AEW radar
- AI radar
- air intercept radar
- air route surveillance radar
- air search radar
- air traffic control radar
- airborne early-warning radar
- airborne intercept radar
- airborne radar
- airborne search radar
- airborne sea-search radar
- aircraft intercept radar
- aircraft radar
- airfield control radar
- airport surveillance radar
- air-to-surface-vessel radar
- all-round-looking radar
- anticollision radar
- antisurface vessel radar
- approach-control radar
- area control radar
- array radar
- autofollow radar
- autofollowing radar
- automatic tracking radar
- automotive radar
- autotrack radar
- azimuthal-scanning radar
- backscatter radar
- backsearch radar
- baseband radar
- battery control radar
- battlefield surveillance radar
- beacon radar
- beam-rider radar
- beam-transmitter radar
- bistatic radar
- capture radar
- chaser radar
- chirp radar
- chirped radar
- close control radar
- cloud-collision radar
- coastal defense radar for detecting U-boats
- coastal defense radar
- codiphase radar
- coherent laser radar
- coherent pulse radar
- coherent radar
- coho radar
- collision-avoidance radar
- collision-warning radar
- color radar
- conflict radar
- conical-scanning radar
- continuous-wave Doppler radar
- continuous-wave radar
- counter-countermeasure radar
- cw radar
- deep-space surveillance radar
- detection radar
- digital radar
- discrimination radar
- diversity radar
- Doppler radar
- Doppler-free coherent radar
- down-looking radar
- dual Doppler radar
- dual frequency radar
- early-warning radar
- electronically agile radar
- electronically scanned array radar
- electrooptic radar
- fan-beam-radar
- fire-control radar
- flight path radar
- FM cw radar
- FM radar
- forward-looking radar
- frequency agile pulse radar
- frequency scan radar
- frequency-diversity radar
- frequency-hopping radar
- frequency-modulated radar
- gap-filler radar
- GCA radar
- general-purpose radar
- ground control radar
- ground radar
- ground surveillance radar
- ground-based radar
- ground-controlled approach radar
- ground-mapping radar
- ground-position radar
- ground-to-air radar
- ground-wave radar
- guidance radar
- guided radar
- guiding radar
- hand radar
- hand-held radar
- hard point demonstration array radar
- height-finder radar
- height-finding radar
- high PRF radar
- high pulse-repetition-frequency radar
- high-power acquisition radar
- HISS radar
- hologram matrix radar
- holographic ice surveying system radar
- holographic radar
- HT finder radar
- hypothetical radar
- identification friend-or-foe radar
- IFF radar
- imaging radar
- incoherent scatter radar
- infrared radar
- instrumentation radar
- interferometer radar
- interplanetary radar
- interrogating radar
- interrogation radar
- ionospheric radar
- jammed radar
- landing radar
- landing-assist radar
- laser radar
- laser-diode radar
- laser-Raman radar
- light radar
- line-of-sight radar
- long-pulse radar
- long-range radar
- look-down radar
- low-range radar
- lunar radar
- man-borne radar
- mapping radar
- medium-range radar
- meteorological radar
- microwave radar
- microwave-modulator optical radar
- miniature radar
- missile-track radar
- missile-tracking radar
- monopulse radar
- monostatic radar
- moving-target indication radar
- moving-target indicator radar
- multifrequency radar
- multifunction array radar
- multimode radar
- multistatic radar
- navigation air radar
- navigational radar
- noise radar
- noise-modulated radar
- noncoherent pulse radar
- off-boresight radar
- offset Doppler radar
- omnirange radar
- on-line radar
- optical radar
- orbital rendezvous radar
- OTH radar
- overlap radar
- over-the-horizon radar
- panoramic radar
- passive radar
- pencil-beam radar
- phase-comparison radar
- phased-array radar
- phase-sensing monopulse radar
- planetary radar
- plan-position-indicator radar
- PN encoded radar
- polychromatic radar
- position radar
- power radar
- precision approach radar
- primary radar
- pseudonoise encoded radar
- pulse Doppler radar
- pulse radar
- pulse-compression radar
- pulse-modulated radar
- radar without line of sight
- random signal radar
- range Doppler radar
- range only radar
- range-gated radar
- reconnaissance radar
- rendezvous radar
- satellite track radar
- satellite tracking radar
- search radar
- secondary radar
- semiactive radar
- sensing radar
- short-pulse radar
- Shuttle imaging radar
- side-looking airborne modular multimission radar
- side-looking airborne radar
- side-looking radar
- single-beam radar
- sky-wave radar
- space radar
- space-based radar
- spacecraft-borne radar
- space-diversity radar
- stacked-beam radar
- step-frequency radar
- storm radar
- subsurface pulse radar
- subterrainian radar
- sum-and-difference monopulse radar
- surface-wave radar
- surveillance radar
- swept-frequency radar
- synthetic interferometer radar
- synthetic-aperture radar
- tail warning radar
- target-track radar
- taxi radar
- terminal radar
- terrain-avoidance radar
- terrain-clearance radar
- terrain-following radar
- tethered-aerostat radar
- three-dimensional radar
- tracker radar
- tracking radar
- transionospheric radar
- ultra wide band radar
- UWB radar
- V-beam radar
- vehicle radar
- velocity radar
- very long-range radar
- very short-range radar
- video pulse radar
- volumetric radar
- wavefront-reconstruction radar
- weather radar
- wide-band radar
- wind-finding radar
- zenith-pointing radar

- ac/dc receiver
- all-wave receiver
- AM/FM receiver
- amplitude-modulation receiver
- amplitude-modulation-frequency-modulation receiver
- automatic-alarm receiver
- automatic-scanning receiver
- automatic send receiver
- auxiliary receiver
- baseband receiver
- battery receiver
- beacon receiver
- bone-conduction receiver
- call alert receiver
- capacitor receiver
- cassette receiver
- CFAR receiver
- chirp receiver
- coherent receiver
- color receiver
- color-television receiver
- command receiver
- commercial receiver
- communication receiver
- constant false-alarm-rate receiver
- consumer receiver
- copy receiver
- correlation receiver
- correlation-type receiver
- crystal receiver
- crystal-audio receiver
- crystal-video receiver
- data conversion receiver
- dc receiver
- decision-feedback receiver
- demultiplex receiver
- digital-data receiver
- digitally programmable receiver
- digital telemetering data receiver
- direct-detection receiver
- direction-finding receiver
- distortion adaptive receiver
- diversity receiver
- domestic receiver
- double-superheterodyne receiver
- dual-conversion receiver
- dual-diversity receiver
- earth receiver
- electromagnetic receiver
- electronically tuned receiver
- electrostatic receiver
- exalted-carrier receiver
- facsimile receiver
- flat television receiver
- FM receiver
- frequency-hopping receiver
- frequency-modulation receiver
- glide slope receiver
- ground receiver
- hand receiver
- head receiver
- heterodyne receiver
- Hi-Fi receiver
- high-fidelity receiver
- home receiver
- homodyne receiver
- image rejection receiver
- infradyne receiver
- instrument landing system receiver
- intercept receiver
- interference-tolerant receiver
- intermediate-frequency receiver
- interrogator receiver
- laser receiver
- lin-log receiver
- log receiver
- main receiver
- maser receiver
- microwave receiver
- mobile receiver
- mobile GPS receiver
- monaural receiver
- monitor receiver
- monitoring receiver
- monochrome receiver
- monopulse receiver
- multiband receiver
- multichannel receiver
- multifrequency receiver
- multiple-response receiver
- multiplex receiver
- on-course receiver
- optical receiver
- optical photodiode receiver
- paging receiver
- panoramic receiver
- phase-lock loop receiver
- phase-modulation receiver
- piezoelectric receiver
- PM receiver
- quantum-mechanical receiver
- radar receiver
- radio receiver
- radiometer receiver
- radiotelegraph receiver
- reconditioned-carrier receiver
- regenerative receiver
- relay receiver
- repeater receiver
- search receiver
- seismic receiver
- self-tuning receiver
- selsyn receiver
- sferics receiver
- single-conversion receiver
- single-hit receiver
- single-sideband receiver
- single-signal receiver
- space receiver
- spaced receiver
- spread-spectrum receiver
- stationary GPS receiver
- stereo receiver
- stereophonic receiver
- stereotelevision receiver
- straight receiver
- superheterodyne receiver
- superregenerative receiver
- sweeping receiver
- switched radiometer receiver
- synchro receiver
- telemetry receiver
- telephone receiver
- television receiver
- telex receiver
- terminal receiver
- terrestrial receiver
- thermal telephone receiver
- transformerless receiver
- TRF receiver
- triple-conversion receiver
- triple-detection receiver
- tuned radio-frequency receiver
- universal receiver
- vestigial-sideband receiver
- VF ringing receiver
- voice-frequency ringing receiver
- wide-open receiver
- wrist receiver

- ac/dc receiver
- all-wave receiver
- AM/FM receiver
- amplitude-modulation receiver
- amplitude-modulation-frequency-modulation receiver
- automatic send receiver
- automatic-alarm receiver
- automatic-scanning receiver
- auxiliary receiver
- baseband receiver
- battery receiver
- beacon receiver
- bone-conduction receiver
- call alert receiver
- capacitor receiver
- cassette receiver
- CFAR receiver
- chirp receiver
- coherent receiver
- color receiver
- color-television receiver
- command receiver
- commercial receiver
- communication receiver
- constant false-alarm-rate receiver
- consumer receiver
- copy receiver
- correlation receiver
- correlation-type receiver
- crystal receiver
- crystal-audio receiver
- crystal-video receiver
- data conversion receiver
- dc receiver
- decision-feedback receiver
- demultiplex receiver
- digital telemetering data receiver
- digital-data receiver
- digitally programmable receiver
- direct-detection receiver
- direction-finding receiver
- distortion adaptive receiver
- diversity receiver
- domestic receiver
- double-superheterodyne receiver
- dual-conversion receiver
- dual-diversity receiver
- earth receiver
- electromagnetic receiver
- electronically tuned receiver
- electrostatic receiver
- exalted-carrier receiver
- facsimile receiver
- flat television receiver
- FM receiver
- frequency-hopping receiver
- frequency-modulation receiver
- glide slope receiver
- ground receiver
- hand receiver
- head receiver
- heterodyne receiver
- Hi-Fi receiver
- high-fidelity receiver
- home receiver
- homodyne receiver
- image rejection receiver
- infradyne receiver
- instrument landing system receiver
- intercept receiver
- interference-tolerant receiver
- intermediate-frequency receiver
- interrogator receiver
- laser receiver
- lin-log receiver
- log receiver
- main receiver
- maser receiver
- microwave receiver
- mobile GPS receiver
- mobile receiver
- monaural receiver
- monitor receiver
- monitoring receiver
- monochrome receiver
- monopulse receiver
- multiband receiver
- multichannel receiver
- multifrequency receiver
- multiple-response receiver
- multiplex receiver
- on-course receiver
- optical photodiode receiver
- optical receiver
- paging receiver
- panoramic receiver
- phase-lock loop receiver
- phase-modulation receiver
- piezoelectric receiver
- PM receiver
- quantum-mechanical receiver
- radar receiver
- radio receiver
- radiometer receiver
- radiotelegraph receiver
- reconditioned-carrier receiver
- regenerative receiver
- relay receiver
- repeater receiver
- search receiver
- seismic receiver
- self-tuning receiver
- selsyn receiver
- sferics receiver
- single-conversion receiver
- single-hit receiver
- single-sideband receiver
- single-signal receiver
- space receiver
- spaced receiver
- spread-spectrum receiver
- stationary GPS receiver
- stereo receiver
- stereophonic receiver
- stereotelevision receiver
- straight receiver
- superheterodyne receiver
- superregenerative receiver
- sweeping receiver
- switched radiometer receiver
- synchro receiver
- telemetry receiver
- telephone receiver
- television receiver
- telex receiver
- terminal receiver
- terrestrial receiver
- thermal telephone receiver
- transformerless receiver
- TRF receiver
- triple-conversion receiver
- triple-detection receiver
- tuned radio-frequency receiver
- universal receiver
- vestigial-sideband receiver
- VF ringing receiver
- voice-frequency ringing receiver
- wide-open receiver
- wrist receiver