Abstract

Compared with traditional Lidar, photon counting laser radar uses a high repetition rate and low pulse energy detection mechanism. When the echo photon is very weak, the echo signal can be extracted by increasing the counting time of TCSPC. However, it becomes difficult to detect fast-moving targets within a long counting time, especially under the interference of high background noise. In this article, we propose a dynamic ranging algorithm based on target motion parameter matching for the application scenario of long-distance moving target ranging, which solves the problem of fast real-time ranging of remote dynamic small targets in noisy environment, and realizes the distance Measure synchronously with speed. Further, in order to improve the application effect of the dynamic ranging algorithm, we transplanted the algorithm to the FPGA platform.

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