鉴相电路 meaning in English
phase discriminator
Examples
- The experiments also show that the new circuit can deal with the four basic waveforms rightly and has the advantage of high resolution , high capability of rejecting noise , simplicity , and so on
实验表明：新鉴相电路能正确处理四种基本波形，且具有分辨率高、噪声抑制能力强、电路简单等优点。 - The reason for the problem , which consists in some error of the old phase - demodulation circuit , is found out by computer simulation in this dissertation . then a new phase - demodulation circuit is designed and the problem settled
本文通过对机抖陀螺进行计算机仿真，查明了问题产生的根源在于原有鉴相电路设计有误，并设计了新的鉴相电路，从根本上解决了该问题。 - Thus the principle to deal with the four basic waveforms is put forward and a new phase - demodulation circuit is designed . experiments for the two circuits on same gyros are made and they indicate clearly that the mdrlg ' s null - shift problem consists in the faultiness of the old phase - demodulation circuit
在此基础上，提出了处理计数信号过锁区波形的基本原则，进而设计了新的鉴相电路，并在同一陀螺上对两鉴相电路进行了对比实验。 - Eddy - current sensor conversion circuit consist amplification circuit , band - pass filter circuit , demodulation circuit , differentiation phase and data sampling circuit . these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process . the microprocessor system that formed of dsp chip is used to data fitting of test system , data displaying and data communicating with personal computer , etc . the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter
硬件电路的设计主要分三大部分来实现：激励源电路部分，由分频电路和频率合成电路组成，产生频率稳定的激励信号以确保检测任务的正常进行；传感器变换电路部分，由放大电路、滤波电路、检波电路、鉴相电路和数据采集电路组成，主要将电涡流传感器检测线圈检测到的信号变换成只含有被测信息的离散信号，易于后续电路处理；由dsp芯片构成的微处理系统，主要完成检测系统的数据拟合、显示及与主机通信等功能。 - Firstly , computer model of mdrlg is set up for simulation purpose . by simulation about the two output signals of mdrlg , four basic waveforms between the two signals in lock - in area are found out and the fact is discovered that the old phase - demodulation circuit introduces errors when it is used for demodulating two of the four basic waveforms
本文首先建立了机抖陀螺的计算机仿真模型，利用该模型对陀螺两路计数信号及原有鉴相电路进行了仿真，发现两路计数信号过锁区时存在四种基本波形，且原有鉴相电路对其中两种波形产生鉴相误差。