1) обнаружитель, устройство обнаружения; индикатор
2) детектор; демодулятор
3) чувствительный (воспринимающий) элемент; датчик, (первичный) измерительный преобразователь
4) смеситель ( в супергетеродинном радиоприёмнике )
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- acceleration detector
- acoustic emission detector
- activation detector
- adsorption detector
- air check detector
- air-to-air detector
- amplitude detector
- angle-of-attack detector
- argon detector
- arrival detector
- average detector
- balanced detector
- baseband detector
- bearing oil leak detector
- beta detector
- beta-ray detector
- brightness-signal detector
- broadband detector
- brush arc detector
- burnout detector
- burst-slug detector
- carbon monoxide detector
- catalytic combustion detector
- cathode luminescence detector
- charge detector
- chevron detector
- chroma detector
- coarse detector
- coherent detector
- combustible gas detector
- common luminance-chrominance detector
- conductometric detector
- continuous wave detector
- correlation detector
- coulometric titration detector
- coulometric detector
- course detector
- crack detector
- cross-correlation detector
- crystal detector
- destructive detector
- difference detector
- differential detector
- differential leak detector
- diffused junction detector
- diode detector
- directional detector
- discharge detector
- Doppler detector
- dosimetric detector
- drip detector
- dual-flame detector
- dust impact detector
- earth detector
- edge detector
- electromagnetic flaw detector
- electron-capture detector
- embedded temperature detector
- embrittlement detector
- envelope detector
- error detector
- excessive tension detector
- false lock detector
- fast detector
- fast-neutron detector
- fault detector
- fault-phase selection detector
- fine detector
- fire detector
- firedamp detector
- first detector
- fission detector
- flame detector
- flame-emissivity detector
- flame-ionization detector
- flaw detector
- fluorescent radiation detector
- flux detector
- flux-gate detector
- focus detector
- fog detector
- frequency difference detector
- frequency-modulation detector
- frost detector
- gamma-ray detector
- gamma-sensitive detector
- gas chromatography detector
- gas detector
- gas discharge detector
- gas-volume detector
- glow-discharge detector
- ground detector
- halide leak detector
- heat-of-adsorption detector
- helium ionization detector
- helium detector
- heterodyne detector
- holiday detector
- hot-metal detector
- hot-wheel detector
- hot-wire detector
- humidity detector
- hydrogen sulfide detector
- hydrogen-flame ionization detector
- hydrogen-flame temperature detector
- ice detector
- iceberg detector
- image detector
- imaging photon detector
- infrared cloud cover detector
- infrared detector
- infrared leak detector
- in-phase detector
- integral detector
- interfinger detector
- intrusion detector
- ion detector
- ionization detector
- knot detector
- leak detector
- leakage current detector
- level detector
- light detector
- linear detector
- liquid chromatography detector
- lithium-drifted detector
- locally optimum detector
- loop detector
- low-visibility detector
- luminance detector
- magnetic detector
- mass spectrometer-type leak detector
- mass spectrometer leak detector
- maximum-likelihood detector
- memoryless detector
- metal detector
- microchannel detector
- missing-pulse detector
- moment detector
- motion detector
- moving-coil detector
- moving-target detector
- moving-window detector
- moving-wire detector
- multilinear array detector
- narrow-band detector
- needle detector
- neutron detector
- neutron track detector
- nitrogen detector
- noncontacting IR detector
- nondestructive detector
- nonlinear detector
- no-sheet detector
- nuclear magnetic-resonance detector
- null detector
- optical detector
- out-of-lock detector
- particle detector
- pattern detector
- peak-to-peak detector
- peak detector
- phase detector
- phase-frequency detector
- phase-lock detector
- phase-sensitive detector
- photoconductive detector
- photo detector
- photo-ionization detector
- photon detector
- photoresist detector
- piezoelectric crystal detector
- pinhole detector
- pitch detector
- precipitation detector
- primary detector
- product detector
- proximity detector
- pulse detector
- pulse-envelope detector
- push-pull detector
- quadrature detector
- radiation detector
- radio interference detector
- radiometric detector
- rail flaw detector
- rain detector
- ratio detector
- recoil detector
- regenerative detector
- ringing detector
- scintillation detector
- second detector
- seismic detector
- selective detector
- sequence detector
- sheet detector
- sign detector
- silence detector
- single-signal detector
- skid detector
- slope detector
- smoke detector
- sonic interface detector
- sound detector
- sound intermediate-frequency detector
- sound velocity detector
- spark coil detector
- speech detector
- spread spectrum detector
- square-law detector
- strip edge crack detector
- stuck point detector
- superheterodyne detector
- superregenerative detector
- supply failure detector
- synchronous detector
- temperature detector
- thermal detector
- thermal-conductivity detector
- thermal-neutron detector
- thermionic detector
- thermistor detector
- threshold detector
- tool breakage detector
- torque detector
- tracking detector
- transition detector
- transmitted electrons detector
- two-sheet detector
- ultrasonic density detector
- ultrasonic flaw detector
- ultra-violet detector
- valve detector
- vibration detector
- video detector
- voice detector
- voiced-unvoiced detector
- voltage detector
- web break detector
- wind-shear detector
- worn tool detector
- X-ray detector
- yarn detector
- zero-crossing detector