Comparison of Image Reconstruction by Using Near-Field and Far-Field Data for an Imperfect Conductor

Chien-Ching Chiu; Wei-Ting Chen

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Comparison of Image Reconstruction by Using Near-Field and Far-Field Data for an Imperfect Conductor

机译：Comparison of Image Reconstruction by Using Near-Field and Far-Field Data for an Imperfect Conductor

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摘要

Image reconstruction by using near-field and far-field data for an imperfectly conducting cylinder is investigated. A conducting cylinder of unknown shape and conductivity scatters the incident wave in free space and the scattered near and far fields are measured. By using measured fields, the imaging problem is reformulated into an optimization problem and solved by the genetic algorithm. Numerical results show that the convergence speed and final reconstructed results by using near-field data are better than those obtained by using far-field data. This work provides both comparative and quantitative information.

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来源
《International journal of RF and microwave computer-aided engineering》 |2001年第2期|69-73|共5页
作者
Chien-Ching Chiu; Wei-Ting Chen;
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作者单位

Electrical Engineering Department, Tamkang University, Tamsui, Taiwan, PRC;

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原文格式 PDF
正文语种英语
中图分类计算技术、计算机技术;
关键词
imperfectly conducting cylinder; image reconstruction; near-field data; far-field data; genetic algorithm;

Comparison of Image Reconstruction by Using Near-Field and Far-Field Data for an Imperfect Conductor

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