Small Perturbation Method of Electromagnetic Scattering from Rough Surface with Considering the Effect of the Curvature of the Surface

GUO Li-xin; WU Zhen-sen; YAO Ji-huan; ZHANG Yan-dong

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Small Perturbation Method of Electromagnetic Scattering from Rough Surface with Considering the Effect of the Curvature of the Surface

更新时间：2025-07-16

- Small Perturbation Method of Electromagnetic Scattering from Rough Surface with Considering the Effect of the Curvature of the Surface
- Acta Electronica Sinica Vol. 30, Issue 3, Pages: 328-331(2002)
- 作者机构：
  
  西安电子科技大学理学院,陕西,西安,710071
- 作者简介：
- 基金信息：
- DOI：
  CLC： O451
- Published：2002
- 稿件说明：
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GUO Li-xin, WU Zhen-sen, YAO Ji-huan, et al. Small Perturbation Method of Electromagnetic Scattering from Rough Surface with Considering the Effect of the Curvature of the Surface[J]. Acta Electronica Sinica, 2002, 30(3): 328-331.
DOI：

GUO Li-xin, WU Zhen-sen, YAO Ji-huan, et al. Small Perturbation Method of Electromagnetic Scattering from Rough Surface with Considering the Effect of the Curvature of the Surface[J]. Acta Electronica Sinica, 2002, 30(3): 328-331. DOI：

摘要

本文在分析传统粗糙面电磁散射微扰法的基础上

给出了一种新的考虑曲率修正效应的微扰法

解决了传统微扰法计算掠入射散射时的误差问题.文中同时采用传统微扰法和考虑曲率修正效应的微扰法对实际粗糙面的后向散射截面做了计算

并与有关实验测量结果做了比较

结果表明无论是中、小角度入射

还是掠入射

采用考虑曲率修正效应的微扰法的计算是准确的.

Abstract

A new classical small perturbation method of electromagnetic scattering from rough surface with consideration of the effect of the curvature of the surface is presented.The problem of scattering error due to this method at a grazing angle is solved.Comparing with a set of measured data

numerical computations of the backscattering radar cross section for actual natural rough surface by the classical and new small perturbation methods are given.The results show that the new small perturbation method is validity for the small

moderate and grazing angle incidence.

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Related Institution

School of Integrated Circuits and Eletronics, Beijing Institute of Technology

School of Science，Xidian University

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Department of Communication EngnerringJiangsu UniversityZhenjiangJiangsu212013China

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