大尺寸导体目标的低频宽带散射测量与仿真  

Low Frequency Wide-Band Scattering Measurement and Simulation of Large Size Conducting Objects

作　　者：李毅[1] 张伟军[1] 莫锦军[1] 袁乃昌[1] 

机构地区：[1]国防科学技术大学微波中心,湖南长沙410073

出　　处：《计算机测量与控制》2007年第3期284-285,290,共3页Computer Measurement &Control

基　　金：国家高技术863基金资助项目(2005AA8350040)

摘　　要：用扫频方法测量了缩比模型的低频宽带雷达散射截面,通过变换得到大尺寸导体目标的低频宽带RCS;并利用时域有限差分方法对全尺寸导体目标的雷达散射截面进行仿真计算,也得到了大尺寸的导体目标的低频宽带RCS;结果表明了这两种方法的一致性,为获得大尺寸导体目标的低频宽带散射特性提供了可以信赖的手段。The radar cross section of the scale models of large size conducting objects are measured by sweeping frequency, and the RCS of the full size conducting objects are simulated by the finite difference time domain method. The results indicate that two methods can get the same results. They provide the good ways of getting the low frequency wide-band electromagnetic scattering characteristics of the large conducting objects.

关 键 词：时域有限差分 雷达散射截面 电磁散射 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置] O441[自动化与计算机技术—控制科学与工程]