本文重点讨论影响正交鉴相电路鉴相精度的各种误差因素，给出了计算公式和计算结果。
This paper discussed emphatically various error factors affecting upon quadrature phase discrimnination circuit. Formulae and results are given in the paper.
介绍一种基于CPLD和单片机的旋转变压器新型鉴相式角位移测量方法和鉴相电路的设计。
A new phase detecting method based on CPLD and SCM for measuring angular shift of resolver is introduced.
应用锁相环集成电路ne567对音频信号的鉴相原理实现对控制信号的译码输出，控制井下仪器马达工作。
The latch phase circle circuit NE567 functions as phase demodulation of audio frequency signals for realizing decoding output of the control signals to control the downhole motor operations.
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