资料来源 : pyDict
发现者,检出器,检电器
资料来源 : Webster's Revised Unabridged Dictionary (1913)
Detector \De*tect"or\, n. Specifically:
(a) An indicator showing the depth of the water in a boiler.
(b) (Elec.) A galvanometer, usually portable, for indicating
the direction of a current.
(c) (Elec.) Any of various devices for detecting the presence
of electric waves.
Detector \De*tect"or\, n. [L., a revealer.]
One who, or that which, detects; a detecter. --Shak.
A deathbed's detector of the heart. --Young.
{Bank-note detector}, a publication containing a description
of genuine and counterfeit bank notes, designed to enable
persons to discriminate between them.
{Detector lock}. See under {Lock}.
资料来源 : WordNet®
detector
n 1: any device that receives a signal or stimulus (as heat or
pressure or light or motion etc.) and responds to it in
a distinctive manner [syn: {sensor}, {sensing element}]
2: rectifier that extracts modulation from a radio carrier wave
[syn: {demodulator}]
3: electronic equipment that detects the presence of radio
signals or radioactivity