空军预警学院学报Issue(1)：6-9,4.DOI:10.3969/j.issn.2095-5839.2014.01.002
互易定理在目标电磁散射特性分析中的应用
Application of reciprocity theorem to characteristics analysis of target EM scattering
摘要
Abstract
For purpose of studying the targets’EM scattering characteristics, the scattering of conducting sphere can be equivalent to that of its outer horizontal dipole, then the scattering field of the horizontal dipoles is derived and its radar cross section (RCS) is computed by applying the reciprocity theorem in this paper. The calculation results show that the RCS of the conducting sphere in the near field is greater than that in its distant field when the horizontal dipole moving relatively to the sphere, its RCS in near field changes greatly, but its RCS in the distant field doesn’t vary basically with the distance while approaching to the geometrical optics value, and moreover, the bi-static RCS’s changing with the incident angle in distant field is of big difference respectively in E and H planes.关键词
导体球/互易定理/偶极子/电磁散射特性/雷达散射截面Key words
conducting sphere/reciprocity theorem/dipole/EM scattering characteristics/radar cross section (RCS)分类
数理科学引用本文复制引用
贺昌辉,冷毅,潘英锋,邓静..互易定理在目标电磁散射特性分析中的应用[J].空军预警学院学报,2014,(1):6-9,4.基金项目
国家自然科学基金资助项目(61201123) （61201123）
