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Article: A combined steepest descent-fast multipole algorithm for the fast analysis of three-dimensional scattering by rough surfaces

TitleA combined steepest descent-fast multipole algorithm for the fast analysis of three-dimensional scattering by rough surfaces
Authors
KeywordsFast-Multipole Methods
Integral Equations
Multilevel Algorithms
Rough Surface Scattering
Issue Date1998
Citation
Ieee Transactions On Geoscience And Remote Sensing, 1998, v. 36 n. 3, p. 738-748 How to Cite?
AbstractA new technique, the steepest descent-fast multipole method (SDFMM), is developed to efficiently analyze scattering from perfectly conducting random rough surfaces. Unlike other prevailing methods, this algorithm has linear computational complexity and memory requirements, making it a suitable candidate for analyzing scattering from large rough surfaces as well as for carrying out Monte Carlo simulations. The method exploits the quasiplanar nature of rough surfaces to efficiently evaluate the dyadic Green's function for multiple source and observation points. This is achieved through a combination of a Sommerfeld steepest descent integral and a multilevel fast multipole-like algorithm based on inhomogeneous plane wave expansions. The fast evaluation of the dyadic Green's function dramatically speeds up the iterative solution of the integral equation for rough surface scattering. Several numerical examples are presented to demonstrate the efficacy and accuracy of the method in analyzing scattering from extremely large finite rough surfaces. © 1998 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/182444
ISSN
2015 Impact Factor: 3.36
2015 SCImago Journal Rankings: 1.975
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorJandhyala, Ven_US
dc.contributor.authorMichielssen, Een_US
dc.contributor.authorBalasubramaniam, Sen_US
dc.contributor.authorChew, WCen_US
dc.date.accessioned2013-05-02T05:15:22Z-
dc.date.available2013-05-02T05:15:22Z-
dc.date.issued1998en_US
dc.identifier.citationIeee Transactions On Geoscience And Remote Sensing, 1998, v. 36 n. 3, p. 738-748en_US
dc.identifier.issn0196-2892en_US
dc.identifier.urihttp://hdl.handle.net/10722/182444-
dc.description.abstractA new technique, the steepest descent-fast multipole method (SDFMM), is developed to efficiently analyze scattering from perfectly conducting random rough surfaces. Unlike other prevailing methods, this algorithm has linear computational complexity and memory requirements, making it a suitable candidate for analyzing scattering from large rough surfaces as well as for carrying out Monte Carlo simulations. The method exploits the quasiplanar nature of rough surfaces to efficiently evaluate the dyadic Green's function for multiple source and observation points. This is achieved through a combination of a Sommerfeld steepest descent integral and a multilevel fast multipole-like algorithm based on inhomogeneous plane wave expansions. The fast evaluation of the dyadic Green's function dramatically speeds up the iterative solution of the integral equation for rough surface scattering. Several numerical examples are presented to demonstrate the efficacy and accuracy of the method in analyzing scattering from extremely large finite rough surfaces. © 1998 IEEE.en_US
dc.languageengen_US
dc.relation.ispartofIEEE Transactions on Geoscience and Remote Sensingen_US
dc.subjectFast-Multipole Methodsen_US
dc.subjectIntegral Equationsen_US
dc.subjectMultilevel Algorithmsen_US
dc.subjectRough Surface Scatteringen_US
dc.titleA combined steepest descent-fast multipole algorithm for the fast analysis of three-dimensional scattering by rough surfacesen_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.doi10.1109/36.673667en_US
dc.identifier.scopuseid_2-s2.0-0001672283en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0001672283&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume36en_US
dc.identifier.issue3en_US
dc.identifier.spage738en_US
dc.identifier.epage748en_US
dc.identifier.isiWOS:000073555700005-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridJandhyala, V=7006652174en_US
dc.identifier.scopusauthoridMichielssen, E=7005196479en_US
dc.identifier.scopusauthoridBalasubramaniam, S=7005779927en_US
dc.identifier.scopusauthoridChew, WC=36014436300en_US

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