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Article: Tunable/adaptive second-order IIR notch filter

TitleTunable/adaptive second-order IIR notch filter
Authors
Issue Date1990
PublisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00207217.asp
Citation
International Journal Of Electronics, 1990, v. 68 n. 5, p. 779-792 How to Cite?
AbstractA modified second-order infinite impulse response (IIR) notch filter with constrained poles and zeros is presented to eliminate or retrieve sinusoids embedded in a broadband signal. Such a filter is ideally suited to either parallel or cascaded implementation. Two classes of problems are considered. The first is where the sinusoidal frequencies are known a priori. The second type of problem arises when the sinusoidal frequencies are unknown and possibly varying with time. This means that an adaptive solution is required and an important consideration is the parameter estimation accuracy. For this purpose, the paper derives the Cramer-Rao lower bound for the adaptive cascaded notch filter using a frequency-domain approach. Some simulation results are included to demonstrate the effectiveness of the proposed adaptive notch filter.
Persistent Identifierhttp://hdl.handle.net/10722/154913
ISSN
2015 Impact Factor: 0.414
2015 SCImago Journal Rankings: 0.221

 

DC FieldValueLanguage
dc.contributor.authorChicharo, Joe Fen_US
dc.contributor.authorNg, Tung Sen_US
dc.date.accessioned2012-08-08T08:31:08Z-
dc.date.available2012-08-08T08:31:08Z-
dc.date.issued1990en_US
dc.identifier.citationInternational Journal Of Electronics, 1990, v. 68 n. 5, p. 779-792en_US
dc.identifier.issn0020-7217en_US
dc.identifier.urihttp://hdl.handle.net/10722/154913-
dc.description.abstractA modified second-order infinite impulse response (IIR) notch filter with constrained poles and zeros is presented to eliminate or retrieve sinusoids embedded in a broadband signal. Such a filter is ideally suited to either parallel or cascaded implementation. Two classes of problems are considered. The first is where the sinusoidal frequencies are known a priori. The second type of problem arises when the sinusoidal frequencies are unknown and possibly varying with time. This means that an adaptive solution is required and an important consideration is the parameter estimation accuracy. For this purpose, the paper derives the Cramer-Rao lower bound for the adaptive cascaded notch filter using a frequency-domain approach. Some simulation results are included to demonstrate the effectiveness of the proposed adaptive notch filter.en_US
dc.languageengen_US
dc.publisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00207217.aspen_US
dc.relation.ispartofInternational Journal of Electronicsen_US
dc.titleTunable/adaptive second-order IIR notch filteren_US
dc.typeArticleen_US
dc.identifier.emailNg, Tung S:tsng@eee.hku.hken_US
dc.identifier.authorityNg, Tung S=rp00159en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0025431711en_US
dc.identifier.volume68en_US
dc.identifier.issue5en_US
dc.identifier.spage779en_US
dc.identifier.epage792en_US
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridChicharo, Joe F=7004185319en_US
dc.identifier.scopusauthoridNg, Tung S=7402229975en_US

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