A way of digital phase detector applied to the laser phase distance measurement system is introduced in this paper, which is based on DSPs and FFT algorithm.
本文介绍了应用于激光相位式测距中的一种数字相位计的实现方法，该方法是基于DSP器件运用FFT算法完成的。
Then the demodulated signal and the signal of the reference piezoelectric hydrophone were input into a high-resolution digital phase detector to get the phase difference.
然后，解调后的信号和基准压电水听器的信号输入到一个高分辨率的数字鉴相器的相位差。
Before the design of digital circuit, measurement method of phase difference is discussed. Two-way zero passage phase detector is chosen as solution finally.
在正式进入数字电路设计之前，先讨论了相位差测量方法，并选定双向过零鉴相作为实现方案。
On basis of them, the influences of mismatch factor and unsynchronized phase on the detection performance of the digital LPI radar detector are analyzed.
针对多种可能情况进行了多通道数字去斜算法仿真，并从实验结果中分析了通道对LPI信号的失配和相位不同步对系统检测性能的影响；
This paper discusses an all digital phase-locked loop with a zero-crossing detector and a loop filter.
本文讨论的全数字锁相环包括过零检测器和环路滤波器。
This paper discusses an all digital phase-locked loop with a zero-crossing detector and a loop filter.
本文讨论的全数字锁相环包括过零检测器和环路滤波器。
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