相敏检波器(以下简称PSD),顾名思义,就是对两个信号之间的相位进行检波。在实际应用中,这两个信号往往是同频的,或者是互为倍数。
文章详细信息 关键词： 正交信号;;相敏检波;;频域测量 [gap=395]Keywords: orthogonal signal,Phase sensitive detection,Frequency domain measurement
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相敏检波器 phase-sensitive rectifier ; PSD ; phase-se itive rectifier
相敏检波解调器 phase-sensitive detector-demodulator
数字相敏检波 DPSD ; Digitalization phase sensitive demodulation ; Digital Phase-sensitive Detection
数字相敏检波器 DPSD ; digital phase-sensitive detector
模拟相敏检波器 APSD
二极管相敏检波器 diode phase-sensitive detector
Signal processing contains the algorithm of phase sensitive detection.
在虚拟仪器平台上利用LabVIEW设计了包含相敏检波的信号处理方法。
参考来源 - 基于LabVIEW的三维静磁场计微弱信号检测系统With phase-sensitive detection technique and modulation technique in this scheme, the measured fluorescence lifetime is converted to a repetitive signal whose period is directly proportional to it.
该方案具有锁相环路的特点，它利用相敏检波与调制技术，把荧光寿命转换成周期性输出信号，且荧光寿命与周期成正比。
参考来源 - 基于荧光寿命的光纤温度测量系统的研究Select frequency amplifier is presented in this paper which amplify the signal from integration circuit, then the signal from select frequency amplifier is demodulated by switched phase detector.
本论文提出选频放大的方法对前级调制后的信号进行放大,然后通过开关式相敏检波对放大后的信号进行解调。
参考来源 - 微电流测量方法的研究Signal processing contains the algorithm of phase sensitive detection.
在虚拟仪器平台上利用LabVIEW设计了包含相敏检波的信号处理方法。
参考来源 - 基于LabVIEW的三维静磁场计微弱信号检测系统·2,447,543篇论文数据，部分数据来源于NoteExpress
其线路简单易调整，而性能指标优于或至少不低于电流开关型相敏检波器。
The performances are at least no less than a current-switching PSD, and their circuits are rather simple and easy to adjust.
通过90度移相电路和两路相敏检波电路实现了对探头信号进行二维提取。
The sensor's signal is decomposed to two signals by circuit of 90 degree move-phase and two circuits of phase-sensitive detecting rectification.
本文简单介绍了LVDT、相敏检波器和三角波发生器的工作原理及自行设计的一种实用的LVDT相敏检波读出电路。
The principles of the LVDT, the phase-sensitive detector and the triangular wave generator are briefly illustrated in this paper. A practical LVDT readout.
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