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Titolo:
Magnetostatic image current and its application to an analytic identification of a current dipole inside a conducting sphere
Autore:
He, SL; Norgren, M;
Indirizzi:
Zhejiang Univ, Ctr Opt & Electromagnet Res, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China Zhejiang Univ Hangzhou Peoples R China 310027 ou 310027, Peoples R China Royal Inst Technol, Dept Electromagnet Theory, S-10044 Stockholm, Sweden Royal Inst Technol Stockholm Sweden S-10044 y, S-10044 Stockholm, Sweden
Titolo Testata:
IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING
fascicolo: 2, volume: 47, anno: 2000,
pagine: 183 - 191
SICI:
0018-9294(200002)47:2<183:MICAIA>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
HALF-SPACE PROBLEM; MAGNETIC-FIELDS; LOCALIZATION;
Keywords:
conducting sphere; current dipole; explicit identification; image; localization; magnetoencephalogram; magnetostatic;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Engineering, Computing & Technology
Citazioni:
26
Recensione:
Indirizzi per estratti:
Indirizzo: He, SL Zhejiang Univ, Ctr Opt & Electromagnet Res, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China Zhejiang Univ Hangzhou Peoples R China 310027 27, Peoples R China
Citazione:
S.L. He e M. Norgren, "Magnetostatic image current and its application to an analytic identification of a current dipole inside a conducting sphere", IEEE BIOMED, 47(2), 2000, pp. 183-191

Abstract

The image solution for the static magnetic field outside a conducting sphere with an internal current dipole is considered. The image current, which is a linear distribution of magnetic dipoles on the line segment between the dipole point and the center of the sphere, is derived by using the fact that the induced current does not have any contribution to the radial component of the magnetic field outside the sphere. The image is then used to obtain some explicit formulas for identifying the location and tangential moment of the primary current dipole, This explicit identification method is also tested with a real model for a patient's brain.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/03/20 alle ore 10:21:42