The errors caused by light source, optical fiber, electro optic crystal and opto electric detector in optical fiber voltage transducer are presented.

研究了光纤电压传感器光路系统中光源、光纤、电光晶体和光电探测器对测量误差的影响。

youdao

We receive the laser pulse signal with the binary photo-electric detector, deal the signal with the circuit designed on the basis of correlation detection to improve SNR.

利用二元光电探测器接收激光脉冲信号 ，然后根据互相关检测的原理设计了相关处理电路对接收到的信号进行处理 ，使其信噪比 （SNR）得到改善。

youdao

Detector internal preamplifier after weak electric signal amplification, comparing to send alarm processing.

检测器内部的前置放大器将微弱的电场信号放大后，送报警器进行比较处理。

youdao

Mass spectrometry works by evaporating molecules, giving them an electric charge, and then applying an electric field to them and accelerating them through a vacuum chamber to a detector.

ECONOMIST: This year, the Nobel authorities have shown a deft touch