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Article: Analyzing low-frequency electromagnetic scattering from a composite object

TitleAnalyzing low-frequency electromagnetic scattering from a composite object
Authors
KeywordsComposite Object
Loop-Tree Basis
Low Frequency
Issue Date2002
Citation
Ieee Transactions On Geoscience And Remote Sensing, 2002, v. 40 n. 2, p. 426-433 How to Cite?
AbstractIn this paper, we present a method for solving electromagnetic scattering from a composite object at low frequencies using the method of moments (MoM) and loop-tree basis. Many applications involve composite objects which consist of several homogeneous regions. The loop-tree basis used for analyzing scattering from a homogeneous body at low frequencies could not be directly applied to analyze the low-frequency scattering from a composite object. In general, it is very difficult, if not impossible, to find a set of loop-tree basis functions that is valid for the structures on both sides of the interfaces. In this paper, we treat a composite object as a limiting case of multibody problem so that we could setup the MoM equation using the loop-tree basis found on each single body. A process is then developed to eliminate the redundant unknowns. The proposed method makes it possible to analyze low-frequency scattering from an arbitrary composite object. The validity and applications are illustrated with representative numerical examples.
Persistent Identifierhttp://hdl.handle.net/10722/182666
ISSN
2015 Impact Factor: 3.36
2015 SCImago Journal Rankings: 1.975
References

 

DC FieldValueLanguage
dc.contributor.authorChen, Sen_US
dc.contributor.authorZhao, JSen_US
dc.contributor.authorChew, WCen_US
dc.date.accessioned2013-05-02T05:16:21Z-
dc.date.available2013-05-02T05:16:21Z-
dc.date.issued2002en_US
dc.identifier.citationIeee Transactions On Geoscience And Remote Sensing, 2002, v. 40 n. 2, p. 426-433en_US
dc.identifier.issn0196-2892en_US
dc.identifier.urihttp://hdl.handle.net/10722/182666-
dc.description.abstractIn this paper, we present a method for solving electromagnetic scattering from a composite object at low frequencies using the method of moments (MoM) and loop-tree basis. Many applications involve composite objects which consist of several homogeneous regions. The loop-tree basis used for analyzing scattering from a homogeneous body at low frequencies could not be directly applied to analyze the low-frequency scattering from a composite object. In general, it is very difficult, if not impossible, to find a set of loop-tree basis functions that is valid for the structures on both sides of the interfaces. In this paper, we treat a composite object as a limiting case of multibody problem so that we could setup the MoM equation using the loop-tree basis found on each single body. A process is then developed to eliminate the redundant unknowns. The proposed method makes it possible to analyze low-frequency scattering from an arbitrary composite object. The validity and applications are illustrated with representative numerical examples.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Transactions on Geoscience and Remote Sensingen_US
dc.subjectComposite Objecten_US
dc.subjectLoop-Tree Basisen_US
dc.subjectLow Frequencyen_US
dc.titleAnalyzing low-frequency electromagnetic scattering from a composite objecten_US
dc.typeArticleen_US
dc.identifier.emailChew, WC: wcchew@hku.hken_US
dc.identifier.authorityChew, WC=rp00656en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1109/36.992806en_US
dc.identifier.scopuseid_2-s2.0-0036476981en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0036476981&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume40en_US
dc.identifier.issue2en_US
dc.identifier.spage426en_US
dc.identifier.epage433en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridChen, S=7410257179en_US
dc.identifier.scopusauthoridZhao, JS=7410309451en_US
dc.identifier.scopusauthoridChew, WC=36014436300en_US

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