【摘要】 为了对激光雷达系统进行性能分析,建立了激光雷达系统的数值仿真模型,模型以激光雷达原理为基础,考虑了激光雷达距离方程、噪声模型、接收信噪比模型,利用LOWTRAN软件分析了各种天气和系统条件下,对激光雷达性能的影响,编制了计算机仿真软件进行激光雷达系统模拟;结果表明,仿真软件能够客观地反映直接探测激光雷达在不同条件下应该探测的结果,有助于实验系统的方案设计和性能改进,对目标特性和探测器噪声特性的研究都可起到很大的推动作用。更多还原

【Abstract】 In order to analyze the performance of the lidar system,the numerical simulation model for laser radar is presented.This model is based on the laser radar principles,and it concerns lidar range equation,noise model,etc.The effect on lidar caused by changes of important weather and system variables is analyzed and discussed with the LOWTRAN.With this model,a simulation software is built to operate the simulation of lidar system.Results show that numerical simulation can help scheme designing and performance improving of the lidar system.It is helpful to the research or the target signature and the characteristic of detector noise.更多还原