激光相关测速中的半极性相关方法

Half polarity Correlation Method for Laser Speed Measurement

提出了一种激光测速的新方法——半极性相关法，它既具有极性相关法中数字信号便于延迟的优点，又保留了经典相关法中不丢失幅度信息的长处。文中证明了半极性相关法与经典相关法具有相同的最大峰值点，并给出了初步的实验结果。

This paper puts forward a new method for laser speed measurement with half polarity correlation. It not only has the advantage that the digital signal is easy to delay on polarity correlation, but also keeps the advantage that no amplitude message is lost on the classical correlation method. In this paper, it is proved that the half polarities correlation method can give the same maximum amplitude as the classical correlation method. A preliminary test result is presented.