phase sensitive detector

基本解释

Phase sensitive detector is designed to convert the weak AC signal into DC signal that is necessary for the data acquisition card.
这两部分电路能将微弱交流低频信号转换成数据采集卡输入端所需要的直流信号。
Based on synchronization filter, active filter and phase-sensitive detector, a new type of lock-in amplifier (LIA) was developed for avionic receiving system.
在航电接收系统方面，研发了基于同步滤波器、有源滤波器和相敏检测器相结合的新型正交。
The article relates that the tool's measurement precision has been improved by applying cycling acquisition method, self calibration function and phase-sensitive detector.
本文叙述了采用循环采集法、自刻度功能、相敏检波等方法提高了仪器的测量精度；