Hybrid Analysis of the Electromagnetic Scattering of a Large Body with Cracks

Nie Xiaochun; Ge Debiao; Yan Yubo

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Hybrid Analysis of the Electromagnetic Scattering of a Large Body with Cracks

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- Hybrid Analysis of the Electromagnetic Scattering of a Large Body with Cracks
- Acta Electronica Sinica Issue 9, Pages: 108-110(1999)
- 作者机构：
  
  西安电子科技大学物理系!西安710071
- 作者简介：
- 基金信息：
- DOI：
  CLC： O441
- Published：1999
- 稿件说明：
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[1]聂小春,葛德彪,阎玉波.IPO-MoM混合法分析开槽电大目标的电磁散射[J].电子学报,1999(09):108-110.

Nie Xiaochun, Ge Debiao, Yan Yubo. Hybrid Analysis of the Electromagnetic Scattering of a Large Body with Cracks[J]. Acta Electronica Sinica, 1999, (9): 108-110.
[1]聂小春,葛德彪,阎玉波.IPO-MoM混合法分析开槽电大目标的电磁散射[J].电子学报,1999(09):108-110. DOI：

Nie Xiaochun, Ge Debiao, Yan Yubo. Hybrid Analysis of the Electromagnetic Scattering of a Large Body with Cracks[J]. Acta Electronica Sinica, 1999, (9): 108-110. DOI：

摘要

本文利用迭代物理光学法（ＩＰＯ）与数值方法相结合的混合方法计算二维开槽电大目标的电磁散射．首先根据等效原理将散射场进行分解，分别采用ＩＰＯ法和矩量法（ＭｏＭ）计算槽缝填充的电大目标和槽缝的散射，并在口径处应用广义网络原理处理耦合问题．数据结果表明本文方法是准确和高效的．

Abstract

A hybrid technique to calculate the scattering of two dimensional large bodies with cracks is developed by combining high frequency approximation method and a numerical method.Using the equivalence theorem

the technique divides the total scattered field into two parts

and employs iterative physical optical method （IPO） for the scattering from the large bodies with the cracks filled with perfect conductors and the moment methods （MoM） to characterize the cracks.The generalized network principle is then used to deal with the coupling across the opening of the aperture.Some numerical results have been obtained

showing the feasibility of proposed method.

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