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Article: Inverse scattering of Hz waves using local shape-function imaging: a T-matrix formulation

TitleInverse scattering of Hz waves using local shape-function imaging: a T-matrix formulation
Authors
Issue Date1994
PublisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/37666
Citation
International Journal Of Imaging Systems And Technology, 1994, v. 5 n. 1, p. 22-27 How to Cite?
AbstractInverse scattering algorithms for Hz polarized waves are scarce, due to the added difficulties of polarization charges. Nevertheless, the polarization charges cannot be ignored for 3D problems, as well as for 2D Hz problems. This work aims to reconstruct arbitrary inhomogeneous dielectric objects from Hz scattering data using a new formulation that abandons the standard integral equation model for a T-matrix model. This new algorithm, called local shape-function (LSF) imaging, is modified for dielectric objects with Hz incident fields, where previously the LSF algorithm was applied to metallic objects with Ez incident fields. The advantage of the LSF algorithm is a more accurate modeling of the induced interfacial polarization charges. For comparison, the Hz distorted Born iterative method using integral equations is shown to be valid only for small contrasts, while the LSF algorithm converges for much larger dielectric contrasts.
Persistent Identifierhttp://hdl.handle.net/10722/182541
ISSN
2015 Impact Factor: 0.571
2015 SCImago Journal Rankings: 0.620

 

DC FieldValueLanguage
dc.contributor.authorOtto, Gregory Pen_US
dc.contributor.authorChew, Weng Choen_US
dc.date.accessioned2013-05-02T05:15:48Z-
dc.date.available2013-05-02T05:15:48Z-
dc.date.issued1994en_US
dc.identifier.citationInternational Journal Of Imaging Systems And Technology, 1994, v. 5 n. 1, p. 22-27en_US
dc.identifier.issn0899-9457en_US
dc.identifier.urihttp://hdl.handle.net/10722/182541-
dc.description.abstractInverse scattering algorithms for Hz polarized waves are scarce, due to the added difficulties of polarization charges. Nevertheless, the polarization charges cannot be ignored for 3D problems, as well as for 2D Hz problems. This work aims to reconstruct arbitrary inhomogeneous dielectric objects from Hz scattering data using a new formulation that abandons the standard integral equation model for a T-matrix model. This new algorithm, called local shape-function (LSF) imaging, is modified for dielectric objects with Hz incident fields, where previously the LSF algorithm was applied to metallic objects with Ez incident fields. The advantage of the LSF algorithm is a more accurate modeling of the induced interfacial polarization charges. For comparison, the Hz distorted Born iterative method using integral equations is shown to be valid only for small contrasts, while the LSF algorithm converges for much larger dielectric contrasts.en_US
dc.languageengen_US
dc.publisherJohn Wiley & Sons, Inc. The Journal's web site is located at http://www3.interscience.wiley.com/cgi-bin/jhome/37666en_US
dc.relation.ispartofInternational Journal of Imaging Systems and Technologyen_US
dc.titleInverse scattering of Hz waves using local shape-function imaging: a T-matrix formulationen_US
dc.typeArticleen_US
dc.identifier.emailChew, Weng Cho: wcchew@hku.hken_US
dc.identifier.authorityChew, Weng Cho=rp00656en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0028400158en_US
dc.identifier.volume5en_US
dc.identifier.issue1en_US
dc.identifier.spage22en_US
dc.identifier.epage27en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridOtto, Gregory P=35446329800en_US
dc.identifier.scopusauthoridChew, Weng Cho=36014436300en_US

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