detector

名词 detector:

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
   同义词：sensor, sensing element
2. rectifier that extracts modulation from a radio carrier wave
   同义词：demodulator
3. electronic equipment that detects the presence of radio signals or radioactivity

1. A device for converting energy form one form to another. In relation to computers, the term is applied to a read/write head, to detector of sector marks in a magnetic disc system, and to electronic/sonic pulse converters of delay line memory.
   把能量从一种形式转换成另一种形式的装置。在与计算机有关时，这个术语用在磁盘系统中的读／写磁头、扇面标记的检测上，以及用在延迟线存储器的电子或声波脉冲变换器上。

de.tec.tor

n.（名词）
One that detects, especially a mechanical, electrical, or chemical device that automatically identifies and records or registers a stimulus, such as an environmental change in pressure or temperature, an electric signal, or radiation from a radioactive material.
探测器，检测器：用于检测的装置，尤其指某种能自动辨识并记录某个激励（例如压力或温度等的环境变化）、电子信号或来自放射性物质的射线的机械的电子的化学的装置