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phase_FPGA
- 这是利用FPGA来测量频率的,把两路信号经过异或后变成方波,然后测高脉宽的个数和整个周期的脉宽数,算出占空比即相位,最后把数据传到单片机上显示出来。-This is used to measure the frequency of the FPGA, the two signals through different or later into a square wave, and then measured the number of high-pulse width and the cycl