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Titolo:
Comparison of image reconstruction by using near-field and far-field data for an imperfect conductor
Autore:
Chiu, CC; Chen, WT;
Indirizzi:
Tamkang Univ, Dept Elect Engn, Tamsui, Taiwan Tamkang Univ Tamsui Taiwan amkang Univ, Dept Elect Engn, Tamsui, Taiwan
Titolo Testata:
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING
fascicolo: 2, volume: 11, anno: 2001,
pagine: 69 - 73
SICI:
1096-4290(200103)11:2<69:COIRBU>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
SCATTERING PROBLEM; GENETIC ALGORITHM; INVERSE; CYLINDER;
Keywords:
imperfectly conducting cylinder; image reconstruction; near-field data; far-field data; genetic algorithm;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
10
Recensione:
Indirizzi per estratti:
Indirizzo: Chiu, CC Tamkang Univ, Dept Elect Engn, Tamsui, Taiwan Tamkang Univ Tamsui Taiwan iv, Dept Elect Engn, Tamsui, Taiwan
Citazione:
C.C. Chiu e W.T. Chen, "Comparison of image reconstruction by using near-field and far-field data for an imperfect conductor", INT J RF MI, 11(2), 2001, pp. 69-73

Abstract

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. (C) 2001 John Wiley & Sons, Inc.

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Documento generato il 18/01/20 alle ore 13:14:35