平面波在介质覆盖导电圆柱上的反射和绕射

平面波在介质覆盖导电圆柱上的反射和绕射 SCATTERING AND DIFFRACTION OF CONDUCTING CIRCULAR CYLINDER WITH DIELECTRIC COATED 朱国强 Zhu Gouqiang Huang Xiwen 1 2 first-author 黄锡文 1 2 李永俊 1 2 方振民 1 2 武汉大学空间物理系 武汉大学空间物理系 Department of Space Physics, Wuhan University Department of Space Physics, Wuhan University 航空航天工业部一院一四所 航空航天工业部一院一四所 介质覆盖无限长理想导电圆柱在平面波激励下的散射和绕射,是研究飞行器上有防热瓦时天线辐射和雷达散射截面等工程向题中抽象出的典型问题。本文就TE和TM平面波的激励研究出高频解,为用几何绕射理论计算介质覆盖导体问题提供了理论基础。 The scattering and diffraction of TE and TM plane waves by an infinitely long conducting circular cylinder with dielectric coated, was investigatcd. The article has given an initial theory to solve the problem of scattering and diffraction by a conducting object with dielectric coated using G T D. 几何绕射理论 导电圆柱 爬行波 介质壳 geometrical theory of diffraction conducting circular cylinder creeping waves dielectric coated 教育部1985—1987年重点科研项目资助 1989-03-01 2021-04-01 3