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Article: A nearresonance decoupling approach (NRDA) for scattering solution of nearresonant structures

TitleA nearresonance decoupling approach (NRDA) for scattering solution of nearresonant structures
Authors
KeywordsElectromagnetic Scattering
Moment Methods
Issue Date1997
Citation
Ieee Transactions On Antennas And Propagation, 1997, v. 45 n. 12, p. 18571862 How to Cite?
AbstractThe generalized network formulation is applied in combination with the method of moments to calculate the electromagnetic scattering from conducting objects containing nearresonant openended cavities. The presence of the cavity increases the iteration number in conjugate gradient iterations due to the nearresonant modes and the multiple wave bounces inside the cavity. The equivalence principle is used to separate the cavity region from the rest of the object, allowing an independent solution of the cavity problem by a direct inversion algorithm using a connection scheme [11]. The solution of the cavity is then represented by a generalized admittance matrix. Numerical results for twodimensional (2D) composite targets show that the iteration number can be reduced significantly for objects containing long cavities. This algorithm can also be applied to threedimensional problems which will be reported in the future. © 1997 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/182727
ISSN
2015 Impact Factor: 2.053
2015 SCImago Journal Rankings: 2.130
References

 

DC FieldValueLanguage
dc.contributor.authorLu, CCen_US
dc.contributor.authorChew, WCen_US
dc.date.accessioned2013-05-02T05:16:37Z-
dc.date.available2013-05-02T05:16:37Z-
dc.date.issued1997en_US
dc.identifier.citationIeee Transactions On Antennas And Propagation, 1997, v. 45 n. 12, p. 18571862en_US
dc.identifier.issn0018-926Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/182727-
dc.description.abstractThe generalized network formulation is applied in combination with the method of moments to calculate the electromagnetic scattering from conducting objects containing nearresonant openended cavities. The presence of the cavity increases the iteration number in conjugate gradient iterations due to the nearresonant modes and the multiple wave bounces inside the cavity. The equivalence principle is used to separate the cavity region from the rest of the object, allowing an independent solution of the cavity problem by a direct inversion algorithm using a connection scheme [11]. The solution of the cavity is then represented by a generalized admittance matrix. Numerical results for twodimensional (2D) composite targets show that the iteration number can be reduced significantly for objects containing long cavities. This algorithm can also be applied to threedimensional problems which will be reported in the future. © 1997 IEEE.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Transactions on Antennas and Propagationen_US
dc.subjectElectromagnetic Scatteringen_US
dc.subjectMoment Methodsen_US
dc.titleA nearresonance decoupling approach (NRDA) for scattering solution of nearresonant structuresen_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.scopuseid_2-s2.0-33748012816en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33748012816&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume45en_US
dc.identifier.issue12en_US
dc.identifier.spage18571862en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridLu, CC=7404804587en_US
dc.identifier.scopusauthoridChew, WC=36014436300en_US

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