多普勒效应可以用于激光雷达对目标速度的探测,在处理探测信号的频谱时,由于栅栏效应的存在,会导致离散多普勒频谱和真实速度之间的偏差。在雷达测速系统中运用能量重心校正算法来对离散频率进行校正,从而达到提高测速精度的目的。实验结果表明,该雷达测速系统的探测精度优于厘米每秒量级。 The Doppler effect can be used to detect the target velocity in LIDAR. When dealing with the spectrum of the detection signal, the discrepancy between the discrete Doppler spectrum and the real velocity can be caused by the fence effect. In the radar speed measurement system using the energy center of gravity correction algorithm to discrete frequency correction, so as to achieve the purpose of improving speed accuracy. The experimental results show that the detection accuracy of the radar speed system is better than centimeter per second.