A Hybrid MM-PO Solution for the Scattering by a Wedge with Arbitrarily Anisotropic Impedance Faces

GONG Zhu-qian; ZHU Guo-qiang; LONG Yun-liang

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A Hybrid MM-PO Solution for the Scattering by a Wedge with Arbitrarily Anisotropic Impedance Faces

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- A Hybrid MM-PO Solution for the Scattering by a Wedge with Arbitrarily Anisotropic Impedance Faces
- Acta Electronica Sinica Vol. 35, Issue 12, Pages: 2408-2411(2007)
- 作者机构：
  
  1. 中山大学电子与通信工程系,广东,广州,510275
  2. 武汉大学电子信息学院,湖北,武汉,430079
  3. 中山大学电子与通信工程系广东广州,510275
  4. 武汉大学电子信息学院湖北武汉,430079
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM15
- Published：2007
- 稿件说明：
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GONG Zhu-qian, ZHU Guo-qiang, LONG Yun-liang. A Hybrid MM-PO Solution for the Scattering by a Wedge with Arbitrarily Anisotropic Impedance Faces[J]. Acta Electronica Sinica, 2007, 35(12): 2408-2411.
DOI：

GONG Zhu-qian, ZHU Guo-qiang, LONG Yun-liang. A Hybrid MM-PO Solution for the Scattering by a Wedge with Arbitrarily Anisotropic Impedance Faces[J]. Acta Electronica Sinica, 2007, 35(12): 2408-2411. DOI：

摘要

本文系统地研究了各向异性阻抗劈绕射的矩量法-物理光学(MM-PO)混合算法.首先研究了任意各向异性阻抗面的物理光学模型

推导出表面物理光学等效电磁流计算式.其次

提出了一种有效的含Hankel函数的弱振荡被积函数无穷积分处理方法.最后

将作者已公开发表的修正绕射电流基函数用于各向异性阻抗劈散射场研究

数值结果和已知的一致性绕射理论结果高度吻合.

Abstract

A combined moment method (MM)-physical optics (PO) approach is systematically developed to analyze the scattering properties of anisotropic impedance wedges.A PO model of a plane wave incident on an anisotropically loaded surface is analyzed to evaluate the electric currents and the magnetic currents on the surface.A novel technique is presented to solve the infinite integral for so-called weak-oscillating function.On use of the modified diffracted current basis function published by the authors in 2006

the improved MM-PO technique is presented.The current technique is validated by comparison with exact solutions and the uniform geometrical theory of diffraction (UTD) results.

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The Exact Impedance Boundary Condition（EIBC） on the F aces of an Impedance Wedge

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