利用多普勒现象测试运动物体的运动速度，通过雷达发射与接受的查频计算相应结果-The phenomenon of the use of Doppler test the velocity of moving objects, through the launch and acceptance of the radar-frequency calculation of the corresponding search results

非常好的运动检测范例，易于读懂，易于上手测试，不过需要真机测试-Very good example of motion detection, easy to read, easy to use test, but it needs real test

STM32测试九轴运动传感器MPU6050的例程(STM32 test MPU6050 routines)