激光主动探测系统的探测效果受到众多因素的影响。针对激光主动探测的应用需求, 分析了激光主动探测效果的影响因素, 建立了猫眼目标发现距离的数学模型, 分析了探测系统参数和环境参数对发现距离的影响, 仿真研究了探测性能的制约因素。研究结果表明, 激光主动探测的发现距离受到激光发散角、入射角以及大气能见度等因素的影响。对于给定的探测范围, 较小的激光发散角、较小的入射角度可以增大猫眼目标的发现距离。因此, 针对特定的应用环境, 需要选取合适的激光探测系统参数来达到最优的探测效果。

The detection effect of laser active detection system is affected by various kinds of factors. In view of the application requirement of laser active detection, the influence factors of laser active detection were analyzed. The mathematical model of cat-eye target detection distance was built and the effect of the parameters of both the detecting system and the environment on the detection distance were analyzed. The results show that the detection distance is affected by the laser divergence angle, the incident angle and the visibility of the atmosphere. For a given detection range, smaller laser divergence angle and better visibility are benefit for enlarging the detection distance. Therefore, in view of specific application environment, it is necessary to select appropriate laser detection parameters to achieve optimal detection effect.