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Titolo:
Electromagnetic tomography: dyadic Green's function method
Autore:
Xiong, HL; Xu, LA;
Indirizzi:
Tianjin Univ, Sch Automat, Tianjin 300072, Peoples R China Tianjin Univ Tianjin Peoples R China 300072 njin 300072, Peoples R China
Titolo Testata:
PROGRESS IN NATURAL SCIENCE
fascicolo: 1, volume: 11, anno: 2001,
pagine: 67 - 75
SICI:
1002-0071(200101)11:1<67:ETDGFM>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
INDUCTANCE TOMOGRAPHY;
Keywords:
electromagnetic theory; inverse problem; dyadic Green's function; tomography; image reconstruction;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
9
Recensione:
Indirizzi per estratti:
Indirizzo: Xiong, HL Tianjin Univ, Sch Automat, Tianjin 300072, Peoples R China Tianjin Univ Tianjin Peoples R China 300072 2, Peoples R China
Citazione:
H.L. Xiong e L.A. Xu, "Electromagnetic tomography: dyadic Green's function method", PROG NAT SC, 11(1), 2001, pp. 67-75

Abstract

This study aims at formulating a dyadic Green's function method for directly solving the forward and inverse problems of the electromagnetic tomography (EMT) with parallel field sensor. First, an integral equation of the electromagnetic problem for the EMT sensor is presented in terms of an equivalent source, which takes the dyadic Green's function G(r,r') as its kernel. Next, starting from a single conducting cylinder filled with homogeneous medium, a convenient way of finding the electric dyadic Green's function of the first kind G(el)(r, r) is described based on the method of G(m). Then, an eigenfunction expansion of the G(el)(r, r) into vector wave functions M and N is obtained by means of a contour integration. Finally, an expression of the G(r, r'), the dyadic Green's function for the EMT sensor with cylindrically layered structure, is deduced from G(el)(r,r) by adding reflected wave terms to it.

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Documento generato il 25/01/20 alle ore 15:48:28