-
21 signal
1) сигнал
2) семафорить
3) <electr.> колебание
4) сигнальный
5) давать сигнал
6) сигнализировать
7) событие
8) импульс
– aggregate signal
– analog signal
– apply signal
– approach signal
– audio signal
– banner signal
– binary signal
– busy signal
– call-on signal
– coded signal
– correcting signal
– correction signal
– delay signal
– desired signal
– distress signal
– driving signal
– dwarf signal
– erasure signal
– error signal
– four-aspect signal
– gating signal
– ghost signal
– home signal
– hump signal
– in-phase signal
– input signal
– keying signal
– light signal
– local-oscillator signal
– modulating signal
– monitor signal
– monitoring signal
– monochrome signal
– multifrequency signal
– normal-mode signal
– output signal
– overshoot of signal
– passage of signal
– peak signal
– pilot signal
– pot signal
– quantized signal
– radio-frequency signal
– reject a signal
– request signal
– restrictive signal
– ringing signal
– rubout signal
– selective signal
– signal aspect
– signal bridge
– signal case
– signal check
– signal comparator
– signal compression
– signal conditioner
– signal detection
– signal device
– signal diode
– signal distance
– signal duration
– signal element
– signal field
– signal flag
– signal flare
– signal frequency
– signal indication
– signal intelligence
– signal limiting
– signal line
– signal loss
– signal matrix
– signal motor
– signal normalization
– signal officer
– signal oscillator
– signal path
– signal perception
– signal post
– signal power
– signal presentation
– signal quantization
– signal range
– signal read-through
– signal regeneration
– signal restitution
– signal restoration
– signal strength
– signal threshold
– signal to subscriber
– signal tracing
– signal voltage
– signal waveform
– signal wire
– single-sideband signal
– slope of a signal
– smashboard signal
– speech signal
– spurious signal
– steady signal
– steady-state signal
– super-sandcastle signal
– telegraph signal
– telephone signal
– television signal
– time signal
– trimmer signal
– tuning signal
– voice-frequency signal
– wayside signal
– wideband signal
– wig-wag signal
– write signal
airborne signal company — <commun.> авиарота связи
automatic signal transmitter — <commun.> автомат подачи сигналов
block signal station — < railways> пост блокировочный
grade crossing signal — < railways> сигнал переездный
hump repeater signal — < railways> сигнал горочный повторительный
inner home signal — < railways> сигнал входной добавочный
phase-shift keyed signal — <commun.> сигнал фазоманипулированный
signal increases in frequency — сигнал увеличивается по частоте
signal marker light — < railways> сигнал световой отличительный
signal propagation velocity — < radio> скорость распространения сигналов
signal shaping network — <electr.> контур исправления сигнала
signal strength flotation — флуктуация интенсивности сигнала
signal strength meter — < radio> измеритель силы сигнала
switch signal lever — < railways> рукоятка стрелочного указателя
telemetry signal demodulator — демодулятор телеметрического сигнала
trimmer signal lever — < railways> рукоятка указателя путей
zero signal current — <electr.> ток покоя
-
22 signal
1) сигнал || сигнализировать || сигнальный2) сигнальное устройство, устройство сигнализации•- accumulating signalsto emit an alarm signal — подавать аварийный сигнал; подавать сигнал неисправности, подавать сигнал о неисправности
- acknowledgement signal
- action feedback signal
- actuating error signal
- actuating signal
- actuation signal
- actuator drive signal
- AE power signal
- AE signal
- alarm signal
- analog probe head signal
- analog signal
- audible signal
- auxiliary function completion signal
- axis designation signal
- binary signal
- blanking signal
- brake-off signal
- brake-on signal
- break signal
- bulk wave signals
- chrominance signal
- classifying signal
- coincidence signal
- collet-closed signal
- collet-open signal
- collision signal
- color difference signal
- color synchronizing signal
- command signal
- composite color signal
- composite picture signal
- composite video signal
- confirmation signal
- contact detection signal
- continuous signal
- control instruction signal
- control signal
- converted signal
- coordinate signal
- correction signal
- corrective signal
- current speed signal
- cutoff signal
- cutting load signal
- decrease signal
- demand signal
- detection signal
- digital signal
- discharge-classifying signal
- disturbance signal
- disturbing signal
- drive signal
- emergency signal
- emission signal
- end-of-block signal
- erase signal
- error signal
- excitation signal
- fall signal
- feed stop signal
- feedback control signal
- feedback data signal
- feedback loop signal
- feedback signal
- feedthrough signal
- flaw signal
- forward signal
- guidance signal
- halt signal
- high-level signal
- historical signal
- increase signal
- indicative signal
- in-position signal
- input signal
- interfering signal
- IR light signal
- low-level signal
- luminance signal
- manipulation signal
- measuring signal
- miscellaneous function signal
- model signal
- monitored signal
- monitoring signal
- motion signal
- multiplexed signal
- noisy signal
- numerical signal
- off-on signal
- OK signal
- on/off signals
- once-per-revolution signal
- output signal
- pass signal
- phase reference signal
- phase-modulation signal
- pick-off signal
- pilot signal
- position command signal
- position error signal
- position-indicating signal
- position-instructing signal
- power signal
- pressure feedback signal
- probe's signal
- program signal
- protection signal
- pull signal
- pulse signal
- PWM signal
- qualification microrpocessor signal
- quantized control signal
- random signal
- reference signal
- reference voltage signal
- reference-input signal
- reflected beam signal
- reject signal
- relevant signal
- retract signal
- return signal
- sensing signal
- set-point signal
- signal of control system
- signal of electromagnetic interference
- skip signal
- slow-down signal
- sonic signal
- sound signal
- SPC signals
- spurious signal
- square wave signal
- start signal
- starting signal
- statistical signals
- stop signal
- stopping signal
- switch signal
- synchronizing signal
- tailstock-in-position signal
- tape reference signal
- test signal
- tool change signal
- touch signal
- trigger signal
- trouble signal
- velocity feedback signal
- velocity signal
- video signal
- warning signal
- worn-tool signal
- X signal
- Y signalEnglish-Russian dictionary of mechanical engineering and automation > signal
-
23 detection
1) обнаружение2) локация3) детектирование; демодуляция•- active detection
- active infrared detection
- active intrusion detection
- amplitude detection
- anode detection
- anomaly-driven intrusion detection
- asymptotically robust detection - blind-spot detection
- bubble detection
- burst-error detection
- cathode detection
- charge detection
- coherent detection
- coherent light detection
- collision detection
- computer-based intrusion detection
- correlation detection
- crack detection
- Doppler detection
- early detection
- edge detection
- envelope detection
- error detection
- failure detection
- flaw detection
- frequency detection
- full aperture collinear detection
- grid detection
- heterodyne detection
- holographic detection
- homodyne detection
- host-based intrusion detection
- hydrospace detection
- infrared detection - interferometrical detection
- intrusion detection
- linear detection
- magnetic anomaly detection
- magnetic bubble detection
- maximum-likelihood detection
- motion detection
- N-array detection
- network-based intrusion detection
- nonlinear detection
- null detection
- null-zone detection
- offset detection
- optical detection
- optical detection and ranging
- optical heterodyne detection
- over-the-horizon detection
- passive detection
- passive intrusion detection
- phase detection
- plate detection
- radar detection
- radio detection
- robust detection
- sequential cumulative detection
- serial presence detection
- signal detection
- signature-driven intrusion detection
- slope detection
- sonic flaw detection
- square-law detection
- stroke detection
- superheterodyne detection
- synchronous detection
- target detection
- threshold detection
- triple detection
- ultrasonic liquid-level detection
- variable-threshold detection
- video detection -
24 detection
1) обнаружение2) локация3) детектирование; демодуляция•- active infrared detection
- active intrusion detection
- amplitude detection
- anode detection
- anomaly-driven intrusion detection
- asymptotically robust detection
- beat-frequency detection
- binary detection
- blind-spot detection
- bubble detection
- burst-error detection
- cathode detection
- charge detection
- coherent detection
- coherent light detection
- collision detection
- computer-based intrusion detection
- correlation detection
- crack detection
- detection and ranging
- Doppler detection
- early detection
- edge detection
- envelope detection
- error detection
- failure detection
- flaw detection
- frequency detection
- full aperture collinear detection
- grid detection
- heterodyne detection
- holographic detection
- homodyne detection
- host-based intrusion detection
- hydrospace detection
- infrared detection
- infrared range and direction detection
- interference-detection
- interferometrical detection
- intrusion detection
- linear detection
- magnetic anomaly detection
- magnetic bubble detection
- maximum-likelihood detection
- motion detection
- N-array detection
- network-based intrusion detection
- nonlinear detection
- null detection
- null-zone detection
- offset detection
- optical detection and ranging
- optical detection
- optical heterodyne detection
- over-the-horizon detection
- passive detection
- passive intrusion detection
- phase detection
- plate detection
- radar detection
- radio detection
- robust detection
- sequential cumulative detection
- serial presence detection
- signal detection
- signature-driven intrusion detection
- slope detection
- sonic flaw detection
- square-law detection
- stroke detection
- superheterodyne detection
- synchronous detection
- target detection
- threshold detection
- triple detection
- ultrasonic liquid-level detection
- variable-threshold detection
- video detectionThe New English-Russian Dictionary of Radio-electronics > detection
-
25 detection
обнаружение, выявление; радио. детектирование -
26 detection
1) обнаружение; выявление2) детектирование; выпрямление• -
27 signal
1) сигнал; сигнализировать, подавать сигнал2) импульс•- access-barred signal
- accompanying-sound signal
- acoustic signal
- active line duration signal
- actuating signal
- address-complete signal
- address-incomplete signal
- alarm indication signal
- alarm signal
- alternating mark-inversion signal
- amplitude-modulated signal
- analog electric signal
- analog signal
- ancillary signal
- anisochronous signals
- answer signal
- aperiodic signal
- arrival signal
- audible signal
- authentication signal
- B signal
- background signal
- backward signal
- band-limited signal
- bell signal
- bidirectional signal
- binary signal
- bipolar signal
- black signal
- black-burst signal
- blanketing signal
- blocking acknowledgement signal
- blocking signal
- blue signal
- broadband coding signal
- busy signal
- buzzer signal
- B-Y signal
- call signal
- call-accepted signal
- call-acknowledgement signal
- callback ring signal
- call-confirmation signal
- call-control signal
- called number signals
- called-terminal answered signal
- called-terminal engaged signal
- call-failure signal
- calling indicator signal
- calling signal
- call-not-accepted signal
- call-progress signal
- call-request signal
- call-sending check signal
- camera signal
- carrier chrominance signal
- carrier color signal
- carrier sense signal
- carrier signal
- case-shift signal
- caution signal
- cellular signal
- channel-identification signal
- chirp signal
- chroma signal
- chrominance signal
- chrominance video signal
- circuit group congestion signal
- clear-back signal
- clear-confirmation signal
- clear-forward signal
- clearing signal
- clock signal
- code signal
- color bar signal
- color identification signals
- color signal
- color-difference signal
- color-picture signal
- color-separated signal
- color-sync signal
- common emergency signal
- common-mode signal
- compelled signal
- complete-address signal
- complex TV-signal
- component-coded digital video signal
- composite color sync signal
- composite video signal signal
- compressed-video signal
- conference communication signal
- confirmation-to-receive signal
- confusion signal
- connection-in-progress signal
- continuous time signal
- control track signal
- convergence signal
- cosine signal
- counterphase signal
- crosstalk signal
- cue signal
- danger signal
- data signal
- data-transfer request signal
- dc signal
- DCE clear signal
- DCE waiting signal
- desk-spot signal
- detected signal
- detection signal
- differential signal
- digital component video signal
- digital signal
- directivity signal
- disable signal
- discernible signal
- disconnect signal
- discrete-time signal
- dither signal
- doubleside signal
- driving signal
- DTE-clear signal
- duress signal
- electric signal
- electrooptic signal
- emergency signal
- enable signal
- enciphered signal
- encoded signal
- end-of-copy signal
- end-of-impulsing signal
- end-of-pulsing signal
- end-of-selection signal
- engaged signal
- error signal
- excitation signal
- exponential signal
- facsimile signal
- false signal
- fate signal
- fault signal
- feedback signal
- field sawtooth signal
- field synchronization signal
- figures-shift signal
- finite signal
- first-buzzer signal
- floating signal
- foreground signal
- forward recall signal
- four-aspect signal
- frame sync signal
- frame-alignment signal
- framing signal
- free-line signal
- full-frame test signal
- functional signal
- gate signal
- Gaussian signal
- green signal
- group signal
- G-Y signal
- hang-up signal
- HF signal
- homochronous signal
- horizontal sync signal
- hydroacoustic signals
- idle indication signal
- in-band signal
- information signal
- inhibiting signal
- injection signal
- in-phase signal
- input signal
- interfering signal
- intermediate-frequency signal
- international-code signal
- interoffice signals
- interrupt signal
- inversion signal
- isochronous signals
- jam signal
- left signal
- left-backward signal
- left-forward signal
- line sawtooth signal
- line synchronization signal
- linear signal
- line-drop signal
- line-out-of-service signal
- load-off signal
- local signal
- locking signal
- loop-down signal
- loop-error signal
- loop-up signal
- low-frequency signal
- luminance staircase signal
- M signal
- marking signal
- MAYDAY signal
- mesochronous signal
- microwave signal
- minimum descernible signal
- minimum detectable signal
- modulated signal
- modulating signal
- monitor signal
- monitoring signal
- monochromatic signal
- monophonic signal
- multichannel telephony signal
- multipage signal
- multiplexed signal
- multitone test signal
- music melody signal
- narrowband return signal
- n-level output signal
- noise-free signal
- noise-shaped signal
- noncompelled signal
- noncomposite color picture signal
- note-off signal
- note-on signal
- n-position signal
- number received signal
- offering signal
- off-hook signal
- on-hook signal
- optical signal
- optimal amplitude signal
- orthogonal signal
- out-of-band signal
- output signal
- PAN-signal
- periodic signal
- permanent signal
- phantom signal
- phasing signal
- pickup signal
- picture signal
- picture-phone signal
- picture-shading signal
- pilot signal
- playback signal
- plesiochronous signal
- polar signal
- polling signal
- power signal
- pre-video signal
- primary signal
- probing signal
- proceed-to-select signal
- proceed-to-transmit signal
- program signal
- protection signal
- pseudonoise signal
- pulse control signal
- pulse signal
- pulsed signal
- Q-signal
- quadrature-phase subcarrier signal
- quantized signal
- quasi-harmonic signal
- radio-frequency signal
- radioimpulse signal
- radio-time signals
- reading signal
- ready-for-data signal
- ready-to-receive signal
- recall signal
- receiving acknowledgement signal
- rectangular signal
- RED signal
- red signal
- RED/BLACK signal
- redundant signal
- reference signal
- regenerated signal
- regular signal
- reorder signal
- request signal
- request-for-repetition signal
- re-reflected signal
- rering signal
- reset signal
- residual signal
- retransmitted signal
- return signal
- returned signal
- rewrite signal
- rewriting signal
- right signal
- right-backward signal
- right-forward signal
- ringing signal
- ring-off signal
- round-the-world signal
- runout signal
- safety signal
- sampled signal
- saturation signal
- saw-toothed signal
- second buzzer signal
- secondary signal
- security signal
- seizing signal
- sending acknowledgement signal
- sensed signal
- service signal
- shading compensation signal
- shading signal
- silhouette signal
- simplest sync signal
- sin signal
- single-ended signal
- single-sideband signal
- smear signal
- SOS-signal
- sound signal
- space signal
- speech signal
- spurious signal
- start dialing signal
- start signal
- start-record signal
- start-stop signal
- station answer signal
- stereophonic signal
- stop signal
- stop-record signal
- stuffed signal
- supersync signal
- supervisory signal
- suppressed sideband signal
- switch signal
- switchover signal
- synchronous signal
- synphase signal
- system busy signal
- teledata signal
- telegraph-control signal
- telephone-control signal
- ternary signal
- testing signal
- test-line signal
- test-pattern signal
- threshold signal
- ticker signal
- time signals
- timing reference signal
- total television signal
- transmission confirming signal
- triangular signal
- triggering signal
- tristimulus signal
- TV-control signal
- TV-transmission signal
- undesired signal
- unstuffed signal
- unvoiced signal
- urgent signal
- vertical synchronization signal
- vestigial sideband signal
- videoimpulse signal
- visual message signal
- voice analog signal
- voice answer signal
- wanted signal
- warning signal
- weighted signal
- white signal
- write signal
- writing signal
- Y-signalEnglish-Russian dictionary of telecommunications and their abbreviations > signal
-
28 signal
1 nGEN señal f2 vtELECTRON enviar una señal3 vtiWATER TRANSP comunicar por señales, dar una señal, enviar una señal, hacer una señal, señalar -
29 detection
1. обнаружение, выявление2. детектирование, выпрямление
* * *
обнаружение, выявление
* * *
обнаружение, выявление- detection of sand production
- detection of seismic signal
- arrival detection
- automatic fault detection
- continuous gas detection by mud logging
- crack detection
- defect detection
- direct detection
- discrepancy detection
- early detection
- electromagnetic detection
- emergency detection
- event detection
- failure detection
- false detection
- fatigue stress detection
- fault detection
- fire detection
- flaw detection
- fluorescence flaw detection
- gamma-ray flaw detection
- hydrocarbon gas detection
- hydrocarbon gas detection in cores
- immediate detection
- krypton flow detection
- leak detection
- luminescence flaw detection
- magnetic detection
- magnetic crack detection
- magnetic flaw detection
- magnetic particle flaw detection
- malfunction detection
- mass-spectrometric leak detection
- microwave defect detection
- multipathing detection
- neutron flaw detection
- off-limit detection
- off-line detection
- oil detection
- on-line detection
- penetrant flaw detection
- radiation flaw detection
- radiographic flaw detection
- radiographic slit detection
- radioscopic flaw detection
- rotogenerative detection of corrosion
- scheduled detection
- seismic detection
- short-period detection
- spot detection of gaseous hydrocarbons
- trouble detection
- ultrasonic flaw detection
- ultrasonic pulse-echo detection
- weld crack detection
- X-ray flaw detectionАнгло-русский словарь нефтегазовой промышленности > detection
-
30 detection
1) обнаружение; выявление2) эл. выпрямление3) детектирование; демодуляция•-
amplitude detection
-
asymptotically robust detection
-
baseband detection
-
beat-frequency detection
- broken tool detection -
burst-error detection
-
coherent detection
-
collision detection
-
correlation detection
-
crack detection
-
differentially coherent detection
-
directional detection
-
discharge detection
-
Doppler detection
-
double-wave detection
-
early detection
-
eddy-current detection
-
edge detection
-
electromagnetic flaw detection
-
envelope detection
-
error detection
-
evacuation leak detection
-
exalted-carrier detection
-
failure detection
-
fatigue stress detection
-
fault detection
-
fire detection
-
flaw detection
-
full-wave detection
-
half-wave detection
-
heterodyne detection
-
high-level detection
-
image detection
-
imaging photon detection
-
incoherent detection
-
infrared detection
-
in-process detection
-
leak detection
-
linear detection
-
low-level detection
-
magnetic flaw detection
-
magnetic particle flaw detection
-
mass-spectrometric leak detection
-
maximum-likelihood detection
-
noncoherent detection
-
nuclear detection
-
null detection
-
null-zone detection
-
off-hook detection
-
over-the-horizon detection
-
partially coherent detection
-
passive detection
-
penetrant flaw detection
-
phase detection
-
photographic detection
-
post-process detection
-
pressurization leak detection
-
radar detection
-
radio detection
-
radiographic flaw detection
-
rotogenerative detection of corrosion
-
satellite detection
-
single-wave detection
-
singular point detection
-
slit pattern detection
-
synchronous detection
-
target detection
-
threshold detection
-
ultrasonic flaw detection
-
UV-VIS spectrophotometric detection
-
variable threshold detection
-
video signal detection
-
video detection
-
X-ray detection -
31 detection
обнаружение; см. тж. acquisition— launching detection -
32 detection
dɪˈtekʃən сущ.
1) выявление, обнаружение, открытие;
регистрация;
расследование detection of nuclear explosions ≈ обнаружение ядерных взрывов auto detection ≈ автоматическое обнаружение long-range detection ≈ дальнее обнаружение error detection ≈ выявление, обнаружение ошибки obstacle detection ≈обнаружение препятствий signal detection ≈ прием сигналов sound detection ≈звукоулавливание
2) радио детектирование открытие, обнаружение - * system система обнаружения - * rate процент раскрытых преступлений - radar * радиолокационное обнаружение - long-range * дальнее обнаружение - automatic error * автоматическое обнаружение ошибок - * of a fraud разоблачение обмана - * of crime раскрытие преступления - * of nuclear explosions обнаружение ядерных взрывов - to avoid * избежать обнаружения /разоблачения/ - to escape * ускользнуть;
скрыться;
остаться незамеченной (об ошибке и т. п.) расследование (радиотехника) детектирование (специальное) детектирование, регистрация (электротехника) выпрямление collision ~ вчт. обнаружение столкновения detection радио детектирование ~ обнаружение ~ открытие, обнаружение ~ расследование error ~ вчт. обнаружение ошибок failure ~ вчт. обнаружение отказов on-line ~ вчт. оперативное обнаружениеБольшой англо-русский и русско-английский словарь > detection
-
33 detection
[dɪ'tekʃ(ə)n]сущ.1) выявление, обнаружение, открытие; регистрацияerror detection — выявление, обнаружение ошибки
obstacle detection —обнаружение препятствий
sound detection —звукоулавливание
3) радио детектирование -
34 signal
1. n1) сигнал2) pl воен. войска связи•2. aвыдающийся, знаменательный3. v1) давать сигналы; сигнализировать2) означать; указывать (на) -
35 signal detection
English-Russian dictionary of Information technology > signal detection
-
36 signal detection
The English-Russian dictionary general scientific > signal detection
-
37 signal
1.сигнал; оповещение; команда; знак; признак; связь2.звуковой сигналclock signal — синхронизирующий сигнал; сигнал синхронизации
-
38 signal
nounсигнал mАнглийский-русский словарь по теории вероятностей, статистике и комбинаторике > signal
-
39 signal quality detection
контроль качества сигнала
—
[Я.Н.Лугинский, М.С.Фези-Жилинская, Ю.С.Кабиров. Англо-русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.]Тематики
- электротехника, основные понятия
EN
Англо-русский словарь нормативно-технической терминологии > signal quality detection
-
40 detection of seismic signal
Англо-русский словарь нормативно-технической терминологии > detection of seismic signal
См. также в других словарях:
Detection theory — Detection theory, or signal detection theory, is a means to quantify the ability to discern between signal and noise. According to the theory, there are a number of determiners of how a detecting system will detect a signal, and where its… … Wikipedia
Detection automatique des publicites televisees — Détection automatique des publicités télévisées La détection automatique des publicités télévisées est un ensemble de techniques informatiques qui permettent de détecter automatiquement les publicités dans un flux vidéo de télévision. C est une… … Wikipédia en Français
Détection Automatique Des Publicités Télévisées — La détection automatique des publicités télévisées est un ensemble de techniques informatiques qui permettent de détecter automatiquement les publicités dans un flux vidéo de télévision. C est une problématique qui est encore largement du domaine … Wikipédia en Français
Signal timing — is the technique which traffic engineers use to determine who has the right of way at an intersection. Signal timing involves deciding how much green time the traffic lights shall provide at an intersection approach, how long the pedestrian WALK… … Wikipedia
SIGNAL (THÉORIE DU) — La théorie du signal est un chapitre de la théorie de la communication . La communication est la transmission de messages d’information. Elle met en relation orientée à travers un canal un système de départ (source ou émetteur de messages) et un… … Encyclopédie Universelle
Detection heterodyne — Détection hétérodyne La détection hétérodyne consiste à transposer l énergie d une partie du spectre à plus basse fréquence (dite « intermédiaire ») avant de la détecter. Ce signal est mélangé sur un élément non linéaire rapide (par… … Wikipédia en Français
Détection Hétérodyne — La détection hétérodyne consiste à transposer l énergie d une partie du spectre à plus basse fréquence (dite « intermédiaire ») avant de la détecter. Ce signal est mélangé sur un élément non linéaire rapide (par exemple une photodiode)… … Wikipédia en Français
Signal processing — is an area of systems engineering, electrical engineering and applied mathematics that deals with operations on or analysis of signals, in either discrete or continuous time. Signals of interest can include sound, images, time varying measurement … Wikipedia
Détection automatique des publicités télévisées — La détection automatique des publicités télévisées est un ensemble de techniques informatiques qui permettent de détecter automatiquement les publicités dans un flux vidéo de télévision. C est une problématique qui est encore largement du domaine … Wikipédia en Français
Detection limit — In analytical chemistry, the detection limit, lower limit of detection, or LOD (limit of detection), is the lowest quantity of a substance that can be distinguished from the absence of that substance (a blank value) within a stated confidence… … Wikipedia
Detection — In general, detection is the extraction of information from any clear or clouded ambient or otherwise accessible stream of information without neither support from the sender nor synchronization to the sender.In the history of radio… … Wikipedia