TE Versus TM for the Shape Reconstruction of 2-D PEC Targets Using the Level-Set Algorithm

被引：24

作者：

Hajihashemi, Mohammad Reza ^{[1
]}

El-Shenawee, Magda ^{[1
]}

机构：

[1] Univ Arkansas, Dept Elect Engn, Fayetteville, AR 72701 USA

来源：

IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING | 2010年 / 48卷 / 03期

基金：

美国国家科学基金会;

关键词：

Computational electromagnetics; inverse scattering; level-set method; shape reconstruction; INVERSE SCATTERING PROBLEMS; PARTICLE SWARM OPTIMIZATION; RYTOV ITERATIVE METHOD; IMAGE-RECONSTRUCTION; PHASELESS DATA; EVOLUTION; WAVES;

D O I：

10.1109/TGRS.2009.2029698

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

The transverse electric (TE) polarization for shape reconstruction of perfect electric conducting 2-D targets is presented. The deformation velocity for the TE polarization case is implemented in the level-set algorithm. A comparison between the reconstruction CPU time between the TE and transverse magnetic (TM) polarizations is discussed. The numerical results show that retrieving the shape and location of multiple targets of arbitrary cross sections becomes computationally intensive when illumination with TE-polarized waves is used. If the orientation of the unknown cylinders is a priori known, the TM-polarized waves provide faster reconstruction results with the same accuracy compared with the TE-polarized waves. Upon corrupting the synthetic data with Gaussian noise up to signal-to-noise ratio of 5 dB, the TM polarization seems to provide more accurate results compared with the TE case.

引用

页码：1159 / 1168

页数：10

共 31 条

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