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Article: Analyzing low-frequency electromagnetic scattering from a composite object
Title | Analyzing low-frequency electromagnetic scattering from a composite object |
---|---|
Authors | |
Keywords | Composite Object Loop-Tree Basis Low Frequency |
Issue Date | 2002 |
Citation | Ieee Transactions On Geoscience And Remote Sensing, 2002, v. 40 n. 2, p. 426-433 How to Cite? |
Abstract | In 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 Identifier | http://hdl.handle.net/10722/182666 |
ISSN | 2023 Impact Factor: 7.5 2023 SCImago Journal Rankings: 2.403 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Chen, S | en_US |
dc.contributor.author | Zhao, JS | en_US |
dc.contributor.author | Chew, WC | en_US |
dc.date.accessioned | 2013-05-02T05:16:21Z | - |
dc.date.available | 2013-05-02T05:16:21Z | - |
dc.date.issued | 2002 | en_US |
dc.identifier.citation | Ieee Transactions On Geoscience And Remote Sensing, 2002, v. 40 n. 2, p. 426-433 | en_US |
dc.identifier.issn | 0196-2892 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/182666 | - |
dc.description.abstract | In 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.language | eng | en_US |
dc.relation.ispartof | IEEE Transactions on Geoscience and Remote Sensing | en_US |
dc.subject | Composite Object | en_US |
dc.subject | Loop-Tree Basis | en_US |
dc.subject | Low Frequency | en_US |
dc.title | Analyzing low-frequency electromagnetic scattering from a composite object | en_US |
dc.type | Article | en_US |
dc.identifier.email | Chew, WC: wcchew@hku.hk | en_US |
dc.identifier.authority | Chew, WC=rp00656 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1109/36.992806 | en_US |
dc.identifier.scopus | eid_2-s2.0-0036476981 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0036476981&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 40 | en_US |
dc.identifier.issue | 2 | en_US |
dc.identifier.spage | 426 | en_US |
dc.identifier.epage | 433 | en_US |
dc.identifier.isi | WOS:000174615100019 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Chen, S=7410257179 | en_US |
dc.identifier.scopusauthorid | Zhao, JS=7410309451 | en_US |
dc.identifier.scopusauthorid | Chew, WC=36014436300 | en_US |
dc.identifier.issnl | 0196-2892 | - |