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Article: Fast and accurate radar cross-section computation over a broad frequency band using the best uniform rational approximation

TitleFast and accurate radar cross-section computation over a broad frequency band using the best uniform rational approximation
Authors
Issue Date2008
PublisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.iee.org/Publish/Journals/Profjourn/Proc/map/
Citation
Iet Microwaves, Antennas And Propagation, 2008, v. 2 n. 2, p. 200-204 How to Cite?
AbstractThe method of moments (MOM) in conjugation with the best uniform rational approximation is applied to predict the broad-band radar cross-section of arbitrarily shaped three-dimensional (3D) bodies. The surface integral equations are solved using MOM to obtain the equivalent surface currents at the frequency points corresponding to the Chebyshev nodes, and then the surface current within the given frequency band is represented by the Chebyshev series. To improve the accuracy, the Chebyshev series is matched via the Maehly approximation to a rational function, which can be as good as the best uniform rational approximation. Using the rational function, the surface current is obtained at any frequency point within the frequency band. Numerical results for 3D arbitrarily shaped perfectly electric conducting objects and homogenous dielectric bodies are considered. Compared with the asymptotic waveform evaluation technique and the model-based parameter estimation, the proposed technique is accurate in much broader frequency band with lower memory required. © The Institution of Engineering and Technology 2008.
Persistent Identifierhttp://hdl.handle.net/10722/148884
ISSN
2015 Impact Factor: 0.817
2015 SCImago Journal Rankings: 0.755
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChen, MSen_HK
dc.contributor.authorWu, XLen_HK
dc.contributor.authorSha, Wen_HK
dc.contributor.authorHuang, ZXen_HK
dc.date.accessioned2012-06-20T06:16:06Z-
dc.date.available2012-06-20T06:16:06Z-
dc.date.issued2008en_HK
dc.identifier.citationIet Microwaves, Antennas And Propagation, 2008, v. 2 n. 2, p. 200-204en_HK
dc.identifier.issn1751-8725en_HK
dc.identifier.urihttp://hdl.handle.net/10722/148884-
dc.description.abstractThe method of moments (MOM) in conjugation with the best uniform rational approximation is applied to predict the broad-band radar cross-section of arbitrarily shaped three-dimensional (3D) bodies. The surface integral equations are solved using MOM to obtain the equivalent surface currents at the frequency points corresponding to the Chebyshev nodes, and then the surface current within the given frequency band is represented by the Chebyshev series. To improve the accuracy, the Chebyshev series is matched via the Maehly approximation to a rational function, which can be as good as the best uniform rational approximation. Using the rational function, the surface current is obtained at any frequency point within the frequency band. Numerical results for 3D arbitrarily shaped perfectly electric conducting objects and homogenous dielectric bodies are considered. Compared with the asymptotic waveform evaluation technique and the model-based parameter estimation, the proposed technique is accurate in much broader frequency band with lower memory required. © The Institution of Engineering and Technology 2008.en_HK
dc.languageengen_US
dc.publisherThe Institution of Engineering and Technology. The Journal's web site is located at http://www.iee.org/Publish/Journals/Profjourn/Proc/map/en_HK
dc.relation.ispartofIET Microwaves, Antennas and Propagationen_HK
dc.titleFast and accurate radar cross-section computation over a broad frequency band using the best uniform rational approximationen_HK
dc.typeArticleen_HK
dc.identifier.emailSha, W:shawei@hku.hken_HK
dc.identifier.authoritySha, W=rp01605en_HK
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1049/iet-map:20070155en_HK
dc.identifier.scopuseid_2-s2.0-40549105395en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-40549105395&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume2en_HK
dc.identifier.issue2en_HK
dc.identifier.spage200en_HK
dc.identifier.epage204en_HK
dc.identifier.isiWOS:000254488100014-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridChen, MS=24560485600en_HK
dc.identifier.scopusauthoridWu, XL=7407066038en_HK
dc.identifier.scopusauthoridSha, W=34267903200en_HK
dc.identifier.scopusauthoridHuang, ZX=12243904200en_HK

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