目标激光散射特性测量及分析  

Measurement and analysis for laser scattering characteristic of target

作　　者：张涵璐[1] 吴振森[1] 曹运华[1] 张耿[1] 

机构地区：[1]西安电子科技大学理学院,陕西西安710071

出　　处：《电波科学学报》2008年第5期973-976,共4页Chinese Journal of Radio Science

基　　金：国家自然科学基金资助项目(60771038)

摘　　要：靶标或靶板激光散射特性的测量与标定,对于目标激光散射特性和探测系统的评估分析是至关重要的。介绍了测量目标靶板激光散射特性的方法。根据测量激光双站散射强度角分布数据计算了标准板(聚四氟乙烯)的反射率和激光雷达散射截面,以及通过相对测量比对,获得了目标靶板的激光雷达散射截面。进一步通过遗传模拟退火算法给出了目标靶板激光的散射角分布统计模型。The measurement and calibration of the characteristic of the laser scattering from target is of crucial importance for the detection system evaluation. A brief introduction of the measuring theory of the laser scattering from target is presented in this paper. By analyzing the measured data indoor, the reflectivity and laser radar cross section of the reference white plate （F4） are obtained based on the angular distribution of laser bistatic scattering intensity. The laser radar cross section of the target is obtained by analyzing the data from relative measurement. Lastly, by using genetic simulated annealing algorithms, the statistic model of the laser scattering angular distribution is carried out.

关 键 词：激光雷达散射截面 半球反射率 光散射 

分 类 号：O439[机械工程—光学工程]