空间激光遥感技术研究

通过与地面应用激光雷达的对比分析了空间激光遥感系统的工作特点。根据测距方程，对影响空间激光遥感系统回波功率的外部因素进行讨论。分析了回波探测系统的设计要素，对激光遥感系统探测概率与信噪比间关系进行讨论，并针对雪崩光电二极管（APD）的最佳工作点控制技术和雪崩高压稳定控制技术进行了深入分析，同时根据最佳线性滤波器匹配设计理论给出了接收通道带宽与增益的理论设计结果。

Study on the Space-borne Laser Remote Sensing Technology

Comparing with the system which was designed for the ground application,the operation characteristics of space-borne laser remote sensing system are analyzed.According to the laser ranging equation,external factors which influence echo power are discussed.The design elements of echo detecting system are analyzed and the relation between detection probability and SNR is discussed.The optimal operation point setting technique and high bias voltage stability control technique of APD are studied in detail.Based on the theory of optimum liner filter designing,the theoretic design results,such as the bandwidth and gain of the receiver,are given in this paper.