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Article: A new method for designing FIR filters with variable characteristics

TitleA new method for designing FIR filters with variable characteristics
Authors
Chan, SCPun, CKSHo, KL
KeywordsFinite-impulse response (FIR) filters
Least squares design
Piecewise polynomial approximation
Variable digital filter
Issue Date2004
PublisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=97
Citation
Ieee Signal Processing Letters, 2004, v. 11 n. 2 PART II, p. 274-277 How to Cite?
DOI: http://dx.doi.org/10.1109/LSP.2003.821686
AbstractThis letter proposes a new method for designing finite-impulse response (FIR) filters with variable characteristics. The impulse response of the variable digital filter (VDF) is parameterized as a linear combination of functions in the spectral or tuning parameters. Using the least square objective function, the optimal solution is obtained by solving a system of linear equations. Design results show that this method is simple and effective in designing FIR VDF with good frequency characteristics. Furthermore, by using piecewise polynomial, instead of ordinary polynomial, more complicated frequency characteristics, or larger tuning range can be approximated.
Persistent Identifierhttp://hdl.handle.net/10722/42958
ISSN
1070-9908
2023 Impact Factor: 3.2
2023 SCImago Journal Rankings: 1.271
ISI Accession Number ID
WOS:000188369800039
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorChan, SCen_HK
dc.contributor.authorPun, CKSen_HK
dc.contributor.authorHo, KLen_HK
dc.date.accessioned2007-03-23T04:35:29Z-
dc.date.available2007-03-23T04:35:29Z-
dc.date.issued2004en_HK
dc.identifier.citationIeee Signal Processing Letters, 2004, v. 11 n. 2 PART II, p. 274-277en_HK
dc.identifier.issn1070-9908en_HK
dc.identifier.urihttp://hdl.handle.net/10722/42958-
dc.description.abstractThis letter proposes a new method for designing finite-impulse response (FIR) filters with variable characteristics. The impulse response of the variable digital filter (VDF) is parameterized as a linear combination of functions in the spectral or tuning parameters. Using the least square objective function, the optimal solution is obtained by solving a system of linear equations. Design results show that this method is simple and effective in designing FIR VDF with good frequency characteristics. Furthermore, by using piecewise polynomial, instead of ordinary polynomial, more complicated frequency characteristics, or larger tuning range can be approximated.en_HK
dc.format.extent206191 bytes-
dc.format.extent28160 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherI E E E. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=97en_HK
dc.relation.ispartofIEEE Signal Processing Lettersen_HK
dc.rights©2004 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.subjectFinite-impulse response (FIR) filtersen_HK
dc.subjectLeast squares designen_HK
dc.subjectPiecewise polynomial approximationen_HK
dc.subjectVariable digital filteren_HK
dc.titleA new method for designing FIR filters with variable characteristicsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1070-9908&volume=11&issue=2&spage=274&epage=277&date=2004&atitle=A+new+method+for+designing+FIR+filters+with+variable+characteristicsen_HK
dc.identifier.emailChan, SC:scchan@eee.hku.hken_HK
dc.identifier.emailHo, KL:klho@eee.hku.hken_HK
dc.identifier.authorityChan, SC=rp00094en_HK
dc.identifier.authorityHo, KL=rp00117en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/LSP.2003.821686en_HK
dc.identifier.scopuseid_2-s2.0-0442326752en_HK
dc.identifier.hkuros90014-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0442326752&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume11en_HK
dc.identifier.issue2 PART IIen_HK
dc.identifier.spage274en_HK
dc.identifier.epage277en_HK
dc.identifier.isiWOS:000188369800039-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridChan, SC=13310287100en_HK
dc.identifier.scopusauthoridPun, CKS=7003931849en_HK
dc.identifier.scopusauthoridHo, KL=7403581592en_HK
dc.identifier.issnl1070-9908-

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