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Article: Fast evaluation of sommerfeld integrals for em scattering and radiation by three-dimensional buried objects

TitleFast evaluation of sommerfeld integrals for em scattering and radiation by three-dimensional buried objects
Authors
KeywordsBuried Objects
Em Scattering
Fast Evaluation
Sommerfeld Integrals
Issue Date1999
Citation
Ieee Transactions On Geoscience And Remote Sensing, 1999, v. 37 n. 2 II, p. 887-900 How to Cite?
AbstractThis paper presents a fast method for electromagnetic scattering and radiation problems pertinent to threedimensional (3-D) buried objects. In this approach a new symmetrical form of the Green's function is derived which can reduce the number of Sommerfeld integrals involved in the buried objects problem. The integration along steepest descent paths and leading-order approximations are introduced to evaluate these Sommerfeld integrals which can greatly accelerate the computation. Based on the fast evaluation of Sommerfeld integrals the radiation of an arbitrarily oriented electric dipole buried in a half space is first analyzed and computed. Then the scattering by buried dielectric objects and conducting objects is considered using the method of moments (MOM). Numerical results show that the fast method can save tremendous CPU time in radiation and scattering problems involving buried objects. © 1999 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/182614
ISSN
2015 Impact Factor: 3.36
2015 SCImago Journal Rankings: 1.975
References

 

DC FieldValueLanguage
dc.contributor.authorCui, TJen_US
dc.contributor.authorChew, WCen_US
dc.date.accessioned2013-05-02T05:16:07Z-
dc.date.available2013-05-02T05:16:07Z-
dc.date.issued1999en_US
dc.identifier.citationIeee Transactions On Geoscience And Remote Sensing, 1999, v. 37 n. 2 II, p. 887-900en_US
dc.identifier.issn0196-2892en_US
dc.identifier.urihttp://hdl.handle.net/10722/182614-
dc.description.abstractThis paper presents a fast method for electromagnetic scattering and radiation problems pertinent to threedimensional (3-D) buried objects. In this approach a new symmetrical form of the Green's function is derived which can reduce the number of Sommerfeld integrals involved in the buried objects problem. The integration along steepest descent paths and leading-order approximations are introduced to evaluate these Sommerfeld integrals which can greatly accelerate the computation. Based on the fast evaluation of Sommerfeld integrals the radiation of an arbitrarily oriented electric dipole buried in a half space is first analyzed and computed. Then the scattering by buried dielectric objects and conducting objects is considered using the method of moments (MOM). Numerical results show that the fast method can save tremendous CPU time in radiation and scattering problems involving buried objects. © 1999 IEEE.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Transactions on Geoscience and Remote Sensingen_US
dc.subjectBuried Objectsen_US
dc.subjectEm Scatteringen_US
dc.subjectFast Evaluationen_US
dc.subjectSommerfeld Integralsen_US
dc.titleFast evaluation of sommerfeld integrals for em scattering and radiation by three-dimensional buried objectsen_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.doi10.1109/36.752208en_US
dc.identifier.scopuseid_2-s2.0-0033099199en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0033099199&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume37en_US
dc.identifier.issue2 IIen_US
dc.identifier.spage887en_US
dc.identifier.epage900en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridCui, TJ=7103095470en_US
dc.identifier.scopusauthoridChew, WC=36014436300en_US

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