STM32单片机，采用数字相关法测量两路波的相位差，内含工程，进行了模拟数据测试通过，稍微修改即可使用，并附上了理论文档。-STM32 microcontroller, using digital Correlation Method for Measuring the phase difference between two waves, including engineering, tested by simulated data, you can use slightly modified