intermediate distortion

- activity ratio
- adjacent-channel rejection ratio
- amplitude suppression ratio
- AM rejection ratio
- anharmonic ratio
- answer seizure ratio
- aperture ratio
- arithmetic ratio
- aspect ratio
- aspect ratio of resistor
- asymptotic ratio
- attenuation ratio
- available signal-to-noise ratio
- axial ratio of polarization ellipse
- azimuth ratio
- bit compression ratio
- blip-scan ratio
- cancellation ratio
- capture ratio
- carrier-to-noise ratio
- channel width-to-length ratio
- character aspect ratio
- charge-mass ratio
- charge-to-mass ratio
- click-through ratio
- coherence ratio - complex polarization ratio
- compression ratio
- contrast ratio
- control ratio
- conversion ratio
- conversion gain ratio
- cross ratio
- current ratio
- current standing-wave ratio
- current transfer ratio
- damping ratio
- data-compression ratio
- dc-to-ac ratio
- deviation ratio
- difference ratio
- discrimination ratio
- display screen aspect ratio
- distribution ratio
- double ratio
- downtime ratio
- duty ratio ratio
- energy compression ratio
- energy efficiency ratio - escape ratio
- etching ratio
- exchange-dipolar ratio
- facsimile aspect ratio
- feed-to-aperture area ratio
- forward-to-backward transmission ratio
- frequency ratio
- front-to-back ratio
- front-to-rear ratio
- gain/noise temperature ratio
- gas ratio
- geometric ratio
- golden ratio
- gyromagnetic ratio
- image ratio
- image aspect ratio
- image-frequency rejection ratio
- image interference ratio
- injection ratio
- interlace ratio
- interleave ratio
- intermediate-frequency harmonic interference-ratio
- intermediate-frequency interference ratio
- intermediate-frequency response ratio
- intrinsic stand-off ratio
- inverse ratio
- inverse Mills ratio
- inversion ratio
- inversion level ratio
- isolation ratio
- jam-to-signal ratio
- Josephson ratio
- Josephson frequency-voltage ratio
- J/S ratio
- justification ratio
- light-dark ratio
- likelihood ratio
- load ratio
- mark-space ratio
- mark-to-space ratio
- Mills ratio
- minority-carrier injection ratio
- moment ratio
- multiple ratio
- noise power ratio - offset-to-noise ratio
- one-to-zero ratio
- on-off ratio
- open-circuit reverse-voltage transfer ratio
- opening aspect ratio
- operating ratio
- peak-to-average ratio
- peak-to-valley ratio
- peak-to-valley current ratio
- percentage ratio
- picture aspect ratio
- picture-to-sync ratio
- pixel aspect ratio
- polarization ratio - probability ratio
- propagation ratio
- protection ratio
- pulse-compression ratio
- read-around ratio
- rear-to-front ratio
- rectification ratio
- rejection ratio
- relative ratio of decrease of conductance
- remanence ratio
- resetting ratio
- restorability ratio
- ripple ratio
- sampling ratio
- scaling ratio
- screen aspect ratio
- secondary-emission ratio
- seizure ratio
- short-circuit forward-current transfer ratio
- signal-to-distortion ratio - sinad ratio
- slope ratio
- SN ratio
- spreading ratio
- spurious response ratio
- squared ratio
- squareness ratio - step-up ratio
- stuffing ratio
- suppression ratio
- target-to-clutter ratio
- threshold signal-to-noise ratio
- transadmittance compression ratio
- transformation ratio
- transformer ratio
- transformer voltage ratio
- traveling-wave ratio
- turns ratio
- variability ratio
- voltage ratio

- adjacent-channel rejection ratio
- AM rejection ratio
- amplitude suppression ratio
- anharmonic ratio
- answer seizure ratio
- aperture ratio
- arithmetic ratio
- aspect ratio of resistor
- aspect ratio
- asymptotic ratio
- attenuation ratio
- available signal-to-noise ratio
- axial ratio of polarization ellipse
- azimuth ratio
- bit compression ratio
- blip-scan ratio
- cancellation ratio
- capture ratio
- carrier-to-noise ratio
- channel width-to-length ratio
- character aspect ratio
- charge-mass ratio
- charge-to-mass ratio
- click-through ratio
- coherence ratio
- common-mode rejection ratio
- compensation ratio
- complex polarization ratio
- compression ratio
- contrast ratio
- control ratio
- conversion gain ratio
- conversion ratio
- cross ratio
- current ratio
- current standing-wave ratio
- current transfer ratio
- damping ratio
- data-compression ratio
- dc-to-ac ratio
- deviation ratio
- difference ratio
- discrimination ratio
- display screen aspect ratio
- distribution ratio
- double ratio
- downtime ratio
- duty ratio ratio
- energy compression ratio
- energy efficiency ratio
- energy per bit to noise ratio
- error ratio
- escape ratio
- etching ratio
- exchange-dipolar ratio
- facsimile aspect ratio
- feed-to-aperture area ratio
- forward-to-backward transmission ratio
- frequency ratio
- front-to-back ratio
- front-to-rear ratio
- gain/noise temperature ratio
- gas ratio
- geometric ratio
- golden ratio
- gyromagnetic ratio
- image aspect ratio
- image interference ratio
- image ratio
- image-frequency rejection ratio
- injection ratio
- interlace ratio
- interleave ratio
- intermediate-frequency harmonic interference ratio
- intermediate-frequency interference ratio
- intermediate-frequency response ratio
- intrinsic stand-off ratio
- inverse Mills ratio
- inverse ratio
- inversion level ratio
- inversion ratio
- isolation ratio
- J/S ratio
- jam-to-signal ratio
- Josephson frequency-voltage ratio
- Josephson ratio
- justification ratio
- light-dark ratio
- likelihood ratio
- load ratio
- mark-space ratio
- mark-to-space ratio
- Mills ratio
- minority-carrier injection ratio
- moment ratio
- multiple ratio
- noise power ratio
- noise-to-signal ratio
- odds ratio
- offset-to-noise ratio
- one-to-zero ratio
- on-off ratio
- open-circuit reverse-voltage transfer ratio
- opening aspect ratio
- operating ratio
- peak-to-average ratio
- peak-to-valley current ratio
- peak-to-valley ratio
- percentage ratio
- picture aspect ratio
- picture-to-sync ratio
- pixel aspect ratio
- polarization ratio
- power signal-to-noise ratio
- power standing-wave ratio
- probability ratio
- propagation ratio
- protection ratio
- pulse-compression ratio
- ratio of similitude
- read-around ratio
- rear-to-front ratio
- rectification ratio
- rejection ratio
- relative ratio of decrease of conductance
- remanence ratio
- resetting ratio
- restorability ratio
- ripple ratio
- sampling ratio
- scaling ratio
- screen aspect ratio
- secondary-emission ratio
- seizure ratio
- short-circuit forward-current transfer ratio
- signal-to-distortion ratio
- signal-to-noise and distortion ratio
- signal-to-noise ratio
- signal-to-quantization noise ratio
- sinad ratio
- slope ratio
- SN ratio
- spreading ratio
- spurious response ratio
- squared ratio
- squareness ratio
- standing-wave ratio
- step-down ratio
- step-up ratio
- stuffing ratio
- suppression ratio
- target-to-clutter ratio
- threshold signal-to-noise ratio
- transadmittance compression ratio
- transformation ratio
- transformer ratio
- transformer voltage ratio
- traveling-wave ratio
- turns ratio
- variability ratio
- voltage ratio
- voltage standing-wave ratio
- wave axial ratio
- weighted signal-to-noise ratio
- wide-band ratio

2) многократность
3) частотно
4) частотность
5) частотный
6) темп
– allocate frequency
– alternate frequency
– angular frequency
– antiresonance frequency
– antiresonant frequency
– assigned frequency
– audio frequency
– base frequency
– basic frequency
– beat frequency
– break frequency
– buoyancy frequency
– calling frequency
– carrier frequency
– cell frequency
– collision frequency
– commercial frequency
– component frequency
– conversion frequency
– critical frequency
– crossover frequency
– cutoff frequency
– cyclotron frequency
– difference frequency
– dot frequency
– driving frequency
– espected frequency
– field frequency
– fixed frequency
– flicker frequency
– formant frequency
– fractional frequency
– frame frequency
– free-running frequency
– frequency alignment
– frequency allocation
– frequency analysis
– frequency band
– frequency calibration
– frequency changer
– frequency channel
– frequency characteristic
– frequency code
– frequency compression
– frequency control
– frequency converter
– frequency correction
– frequency curve
– frequency departure
– frequency deviation
– frequency discrimination
– frequency distortion
– frequency distribution
– frequency diversity
– frequency divider
– frequency division
– frequency domain
– frequency doubler
– frequency drift
– frequency feedback
– frequency function
– frequency in pitch
– frequency in roll
– frequency interleaving
– frequency interpretation
– frequency isolation
– frequency jitter
– frequency jumping
– frequency limit
– frequency lock-in
– frequency mark
– frequency marker
– frequency match
– frequency meter
– frequency modulated
– frequency modulation
– frequency modulator
– frequency monitoring
– frequency multiplex
– frequency multiplication
– frequency multiplier
– frequency nominal
– frequency of event
– frequency polygon
– frequency pulling
– frequency range
– frequency ratio
– frequency response
– frequency selective
– frequency setting
– frequency shift
– frequency spacing
– frequency spectrum
– frequency splitting
– frequency spread
– frequency stability
– frequency stabilization
– frequency standard
– frequency synthesis
– frequency synthesizer
– frequency telegraphy
– frequency tolerance
– frequency transformation
– frequency transformer
– frequency translation
– frequency tripler
– frequency tuning
– frequency wobbling
– fundamental frequency
– genotype frequency
– harmonic frequency
– heterodyne frequency
– high frequency
– hold on to frequency
– hypersonic frequency
– idler frequency
– image frequency
– increase the frequency
– infrasonic frequency
– injection frequency
– instantaneous frequency
– intermediate frequency
– ion plasma frequency
– Larmor frequency
– laser frequency
– line frequency
– lock on frequency
– lowest-useful frequency
– magnetoplasma frequency
– marking frequency
– maser frequency
– master frequency
– modulating frequency
– modulation frequency
– multiple frequency
– multiplier of frequency
– natural frequency
– network frequency
– non-dimensional frequency
– operation frequency
– oscillation frequency
– oscillator frequency
– pedestal frequency
– penetration frequency
– picture frequency
– pilot frequency
– pitch frequency
– plasma frequency
– precessional frequency
– pump frequency
– quench frequency
– radio frequency
– rated frequency
– relative frequency
– repetition frequency
– resonance frequency
– resonant frequency
– ripple frequency
– scan frequency
– scanning frequency
– scattering frequency
– screen frequency
– set up fixed frequency
– set up frequency
– side frequency
– signal frequency
– slip frequency
– spacing frequency
– spatial frequency
– standard frequency
– Stokes frequency
– straight-line frequency
– subcarrier frequency
– subsonic frequency
– sum frequency
– superhigh frequency
– switching frequency
– synchronous frequency
– threshold frequency
– tracking frequency
– translate frequency
– tune to frequency
– ultra-high frequency
– ultrasonic frequency
– vibration frequency
– voice frequency
– wave frequency
– working frequency
– zero frequency

absorption frequency meter — резонансный волномер

additive frequency mixing — преобразование частоты аддитивное

amplitude frequency distortion — амплитудно-частотное искажение

assign frequency band — распределять полоса частот

assigned frequency band — номинальный диапазон частот

audio frequency band — полоса звуковых частот

automatic frequency control — частотная АПЧ, автоматическая настройка частоты

automatic frequency unloading — разгрузка автоматическая частотная

carrier frequency hologram — голограмма на несущей частоте

carrier frequency spacing — разнос несущих частот

carrier frequency system — система передачи с частотным разделением каналов

cavity frequency meter — волномер с объемным резонатором

centimetric wave frequency — диапазон сантиметровых волн

commutator-type frequency converter — коллекторный преобразователь частот

compensation frequency telegraphy — телеграфирование частотное компенсационное

compound frequency distribution — <math.> плотность распределения осредненная

decibel-log frequency characteristic — логарифмическая амплитудно-частотная характеристика

difference in tuning frequency — расстройка между контурами

flatness of a frequency curve — сглаженность кривой плотности

frequency allocation table — таблица распределения частот

frequency band of emission — полоса частот излучения

frequency code signal — частотно-кодированный сигнал

frequency compensated amplifier — усилитель корректированный

frequency deviation meter — <tech.> стабилометр частоты

frequency division multiplex — частотное уплотнение каналов

frequency domain spectroscopy — спектроскопия стационарная, спектроскопия частотная

frequency force factor — <electr.> коэффициент силовой частоты

frequency light modulator — частотный модулятор света

frequency modulation index — индекс частотной модуляции

frequency response analyzer — анализатор частотный

frequency selective network — частотноизбирательная схема

frequency selective voltmeter — селектирный вольтметр

generate carrier frequency — формировать несущую частоты

high frequency discharge — высокочастотный разряд

kurtosis of a frequency curve — эксцесс плотности распределения

kurtosis of frequency curve — эксцесс плотности распределения

limiting of frequency band — ограничение полосы частот

maximum usable frequency — максимально применимая частота

molecular rotation frequency — вращательная частота молекулы

moment of a frequency distributi — момент распределения вероятности

multiple-position frequency telegraphy — телеграфия частотная многопозиционная

natural resonant frequency — частота свободных колебаний

operate on frequency of — работать на частоте

operation frequency range — рабочий диапазон частот прибора СВЧ

parasite frequency modulation — паразитная частотная модуляция

pulse repetition frequency — частота следования импульсов

roll-off of frequency response — завал частотной характеристики

rotary frequency changer — генератор повышенной частоты

shift to another frequency — переходить на другую частоту

signal increases in frequency — сигнал увеличивается по частоте

spread frequency band — растягивать полосу частот

static frequency converter — статический преобразователь частоты

subcarrier frequency modulation — частотная модуляция с поднесущей

thyratron frequency changer — тиратронный преобразователь частоты

time-sharing two frequency laser — лазер с попеременной генерацией двух частот

transient frequency jitter — < radio> дергание частоты

transmission-type frequency wave — проходной волномер

two-tone frequency keying — двухчастотное телеграфирование

valve-type frequency converter — вентильный преобразователь частоты

variable frequency oscillator — генератор плавного диапазона

variations with frequency — частотный ход

very low frequency antenna — антенна диапазона СДВ

video frequency band — полоса видеочастот

2) каркас
3) кинокадр
4) обрамление
5) обрамлять
6) рамка
7) рамный
8) рамочный
9) стропила
10) шпангоут
11) корпус
12) < radio> лехеровский
13) скелет
14) репер
15) система отсчета
16) система координат
17) ферма
18) строить
19) сооружать
20) каретка
21) остов
22) сетка
23) фрейм
24) станина
– attachment frame
– bed frame
– belt frame
– bend frame
– bogie frame
– boss frame
– bottom frame
– box-type frame
– bracing frame
– built-up frame
– calculating frame
– cant frame
– central-driven log frame
– chassis frame
– cotton rib top frame
– deep frame
– distibuting frame
– distributing frame
– door frame
– double frame
– double log frame
– earth to the frame
– engine frame
– eyeglass frame
– fault to frame
– field frame
– finder frame
– forcing frame
– foundation frame
– frame amplifier
– frame antenna
– frame board
– frame bridge
– frame connection
– frame counter
– frame covering
– frame distortion
– frame divergence
– frame finder
– frame frequency
– frame jib
– frame level
– frame mold
– frame mounting
– frame noise
– frame of reference
– frame period
– frame pulse
– frame ring
– frame saw
– frame sawing
– frame scan
– frame trestle
– frame viewfinder
– frame wedge
– frame welding
– freeze frame
– gallows frame
– girder frame
– heald frame
– hold frame
– intermediate frame
– joggle frame
– link frame
– main frame
– manhole frame
– midship frame
– multiple frame
– multiple-bay frame
– naked frame
– printing frame
– ring frame
– roving frame
– saw frame
– secondary frame
– side frame
– slubbing frame
– soap-cooling frame
– solid frame
– spar frame
– spinning frame
– stator frame
– stern frame
– swing frame
– telemetry frame
– timber frame
– tubular frame
– tweendeck frame
– twisting frame
– two-story frame
– tympan frame
– web frame
– winding frame
– window frame

astronomical frame of reference — система отсчета небесной механики

contact printing frame — копировальная рамка

drawing frame machine — ленточная машина

fine roving frame — второй тонкий банкаброш

frame ledge of door — <constr.> фалец дверной

frame sweet unit — блок кадровой развертки

intermediate roving frame — перегонная ровничная машина

leather drying frame — рама для сушки кожи

manhole cover frame — рама кабельного колодца

office link frame — штатив станционных шнуров

single deal frame — однопоставная лесорама

zeroing frame counter — счетчик оставшихся кадров

- 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

- acoustic ratio
- activity ratio
- annual charge ratio
- aperture occupation ratio
- aperture/focal length ratio
- arms ratio
- aspect ratio
- attenuation ratio
- back-to-front ratio
- Berg ratio
- blocking ratio
- chrominance format ratio
- co-channel protection ratio
- compression ratio
- conduction ratio
- control ratio
- conversion ratio
- damage ratio
- damping ratio
- decimation ratio
- decoupling ratio
- desired-to-undesired ratio
- deviation ratio
- ear-to-mouth ratio
- feedback ratio
- fixed-division ratio
- focal ratio
- frequency ratio
- friction ratio
- front-to-back ratio
- image rejection ratio
- image-frequency rejection ratio
- in-band noise power ratio
- incident ratio
- intelligible-crosstalk ratio
- intermediate-frequency response ratio
- inverse ratio
- isolation ratio
- jamming-to-signal ratio
- justification ratio
- likelihood ratio
- line-extension ratio
- line-use ratio
- load ratio
- magnetic coupling ratio
- magnetoresistive ratio
- magnification ratio
- mark-to-space ratio
- modulation ratio
- mutual induction ratio
- noise ratio
- noise-to-signal ratio
- operating ratio
- output-input ratio
- overdrive ratio
- peak-to-average ratio
- plausibility ratio
- power-loss ratio
- power-to-noise ratio
- precipitation ratio
- prediction-aspect ratio
- protection ratio
- radio field-to-noise ratio
- read-around ratio
- recombination ratio
- refraction ratio
- residual-error ratio
- response ratio
- reversion ratio
- shielding ratio
- signal-plus-noise-to-noise ratio
- signal-to-crosstalk ratio
- signal-to-distortion ratio
- signal-to-interference ratio
- signal-to-noise ratio
- spectrum transforming ratio
- standing wave ratio
- throghput improvement ratio
- transfer ratio
- uniformity ratio
- utilization ratio
- variable-division ratio
- vertical-chroma ratio
- weight ratio
- zoom ratio

- 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

- analytical hierarchy theorem - arithmetical hierarchy theorem - closed range theorem - formally provable theorem - implicit function theorem - initial value theorem - integral representation theorem - local limit theorem - maximal ergodic theorem - mean value theorem - normal form theorem - ratio limit theorem - rational root theorem - second mean value theorem - theorem of consistency proofs - theorem of corresponding states - three line theorem - three series theorem - uniform convergence theorem - uniform ergodic theorem - uniform mean value theorem