An lterative lmaging Method for 2－D Perfectly Conducting Object Embedded in a Dielectric Region

石守元; 李清亮; 葛德彪

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An lterative lmaging Method for 2－D Perfectly Conducting Object Embedded in a Dielectric Region

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- An lterative lmaging Method for 2－D Perfectly Conducting Object Embedded in a Dielectric Region
- Acta Electronica Sinica Issue 9, (1997)
- 作者机构：
  
  西安电子科技大学物理系
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN011
- Published：1997
- 稿件说明：
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[1]石守元,李清亮,葛德彪.埋于介质体中二维导体目标成象的迭代方法[J].电子学报,1997(09):105-108.

石守元, 李清亮, 葛德彪. An lterative lmaging Method for 2－D Perfectly Conducting Object Embedded in a Dielectric Region[J]. Acta Electronica Sinica, 1997, (9).
[1]石守元,李清亮,葛德彪.埋于介质体中二维导体目标成象的迭代方法[J].电子学报,1997(09):105-108. DOI：

石守元, 李清亮, 葛德彪. An lterative lmaging Method for 2－D Perfectly Conducting Object Embedded in a Dielectric Region[J]. Acta Electronica Sinica, 1997, (9). DOI：

摘要

本文应用一种迭代方法实现了埋于二维均匀介质体中理想导体目标几何构形的重建．在导出介质体与导体混合目标散射边界积分方程的基础上，利用Ｎｅｗｔｏｎ－Ｋａｎｔｏｒｏｖｉｔｃｈ方法和矩量法（ＭＯＭ）建立逆散射基本方程．为克服病态问题，连续采用多方面ＴＭ平面波照射目标以获取足够的信息，并通过迭代方法求解．最后，给出的一些散射目标的重建结果表明本文方法的可行性，同时研究了噪声对重建结果的影响．

Abstract

A novel imaging method to reconstruct a 2-D perfectly conducting object embedded in a dielectric region is presented. Based on the bounary integral equations established for scattering problem of an embedded conducting object

the Newton-Kantorovitch method and MOM areused to derive the basic inverse scattering equations. In order to treat the ill-posedness

the objectis successively illuminated by different TM plane waves to get abundant information and an iterative procedure is then applied. Finally

some reconstruction results are given to show the feasibilityof presented method. The effects of random noise on reconstruction are also investigated.

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