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Conference Paper: FIR filter approximation by IIR filters based on discrete-time vector fitting

TitleFIR filter approximation by IIR filters based on discrete-time vector fitting
Authors
Issue Date2007
Citation
Proceedings - Ieee International Symposium On Circuits And Systems, 2007, p. 2343-2346 How to Cite?
AbstractWe present a novel way of approximating FIR filters by IIR structures through generalizing the vector fitting (VF) algorithm, popularly used in continuous-time frequency-domain rational approximation, to its discrete-time counterpart called VFz. VFz progressively refines the filter poles for improved approximation. Linear equation and eigenvalue solves are used in each iteration, with real-arithmetic formulation to accommodate complex poles. Comparison against conventional algorithms confirms that VFz exhibits fast convergence and produces highly accurate IIR approximants. © 2007 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/98871
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorWong, Nen_HK
dc.contributor.authorLei, CUen_HK
dc.date.accessioned2010-09-25T18:05:47Z-
dc.date.available2010-09-25T18:05:47Z-
dc.date.issued2007en_HK
dc.identifier.citationProceedings - Ieee International Symposium On Circuits And Systems, 2007, p. 2343-2346en_HK
dc.identifier.issn0271-4310en_HK
dc.identifier.urihttp://hdl.handle.net/10722/98871-
dc.description.abstractWe present a novel way of approximating FIR filters by IIR structures through generalizing the vector fitting (VF) algorithm, popularly used in continuous-time frequency-domain rational approximation, to its discrete-time counterpart called VFz. VFz progressively refines the filter poles for improved approximation. Linear equation and eigenvalue solves are used in each iteration, with real-arithmetic formulation to accommodate complex poles. Comparison against conventional algorithms confirms that VFz exhibits fast convergence and produces highly accurate IIR approximants. © 2007 IEEE.en_HK
dc.languageengen_HK
dc.relation.ispartofProceedings - IEEE International Symposium on Circuits and Systemsen_HK
dc.titleFIR filter approximation by IIR filters based on discrete-time vector fittingen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailWong, N:nwong@eee.hku.hken_HK
dc.identifier.authorityWong, N=rp00190en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-34548816201en_HK
dc.identifier.hkuros133566en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34548816201&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.spage2343en_HK
dc.identifier.epage2346en_HK
dc.identifier.scopusauthoridWong, N=35235551600en_HK
dc.identifier.scopusauthoridLei, CU=18134021100en_HK

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