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Conference Paper: Frequency-independent scattering for the large sphere

TitleFrequency-independent scattering for the large sphere
Authors
KeywordsFrequency independent
High frequency scattering of sphere
Numerical steepest descent method
Saddle-point technique
Issue Date2009
PublisherIEEE.
Citation
The 2009 Asia Pacific Microwave Conference (APMC 2009), Singapore, 7-10 December 2009. In Proceedings of the Asia Pacific Microwave Conference, 2009, p. 854-857 How to Cite?
AbstractThe high frequency scattering of a scalar plane wave from an impenetrable sphere with the diameter of one thousand wavelength is treated by the saddle-point technique and the numerical steepest descent method. The far-field solution for the sphere is computed in the observation angle range of 0 to 180 degree. In particular, a novel numerical steepest descent method is proposed to overcome the breakdown of the traditional saddle-point technique in the forward region. Numerical results show that the CPU time for the far-field calculation is frequency-independent with controllable error. This work can be used to benchmark future works in frequency-independent methods. ©2009 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/143273
ISBN
References

 

DC FieldValueLanguage
dc.contributor.authorSha, WEIen_HK
dc.contributor.authorChew, WCen_HK
dc.date.accessioned2011-11-11T04:38:45Z-
dc.date.available2011-11-11T04:38:45Z-
dc.date.issued2009en_HK
dc.identifier.citationThe 2009 Asia Pacific Microwave Conference (APMC 2009), Singapore, 7-10 December 2009. In Proceedings of the Asia Pacific Microwave Conference, 2009, p. 854-857en_HK
dc.identifier.isbn978-1-4244-2642-3-
dc.identifier.urihttp://hdl.handle.net/10722/143273-
dc.description.abstractThe high frequency scattering of a scalar plane wave from an impenetrable sphere with the diameter of one thousand wavelength is treated by the saddle-point technique and the numerical steepest descent method. The far-field solution for the sphere is computed in the observation angle range of 0 to 180 degree. In particular, a novel numerical steepest descent method is proposed to overcome the breakdown of the traditional saddle-point technique in the forward region. Numerical results show that the CPU time for the far-field calculation is frequency-independent with controllable error. This work can be used to benchmark future works in frequency-independent methods. ©2009 IEEE.en_HK
dc.languageeng-
dc.publisherIEEE.-
dc.relation.ispartofAPMC 2009 - Asia Pacific Microwave Conference 2009en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsAsia Pacific Microwave Conference Proceedings. Copyright © IEEE.-
dc.rights©2009 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.-
dc.subjectFrequency independenten_HK
dc.subjectHigh frequency scattering of sphereen_HK
dc.subjectNumerical steepest descent methoden_HK
dc.subjectSaddle-point techniqueen_HK
dc.titleFrequency-independent scattering for the large sphereen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=978-1-4244-2642-3&volume=&spage=854&epage=857&date=2009&atitle=Frequency-independent+scattering+for+the+large+sphere-
dc.identifier.emailSha, WEI: shawei@hku.hken_HK
dc.identifier.emailChew, WC: wcchew@hku.hken_HK
dc.identifier.authoritySha, WEI=rp01605en_HK
dc.identifier.authorityChew, WC=rp00656en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/APMC.2009.5384292en_HK
dc.identifier.scopuseid_2-s2.0-77950667239en_HK
dc.identifier.hkuros160196-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77950667239&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.spage854en_HK
dc.identifier.epage857en_HK
dc.description.otherThe 2009 Asia Pacific Microwave Conference (APMC 2009), Singapore, 7-10 December 2009. In Proceedings of the Asia Pacific Microwave Conference, 2009, p. 854-857-
dc.identifier.scopusauthoridSha, WEI=34267903200en_HK
dc.identifier.scopusauthoridChew, WC=36014436300en_HK

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