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Article: Tunable/adaptive second-order IIR notch filter
Title | Tunable/adaptive second-order IIR notch filter |
---|---|
Authors | |
Issue Date | 1990 |
Publisher | Taylor & 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? |
Abstract | A 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 Identifier | http://hdl.handle.net/10722/154913 |
ISSN | 2021 Impact Factor: 1.457 2020 SCImago Journal Rankings: 0.251 |
DC Field | Value | Language |
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dc.contributor.author | Chicharo, Joe F | en_US |
dc.contributor.author | Ng, Tung S | en_US |
dc.date.accessioned | 2012-08-08T08:31:08Z | - |
dc.date.available | 2012-08-08T08:31:08Z | - |
dc.date.issued | 1990 | en_US |
dc.identifier.citation | International Journal Of Electronics, 1990, v. 68 n. 5, p. 779-792 | en_US |
dc.identifier.issn | 0020-7217 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/154913 | - |
dc.description.abstract | A 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.language | eng | en_US |
dc.publisher | Taylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00207217.asp | en_US |
dc.relation.ispartof | International Journal of Electronics | en_US |
dc.title | Tunable/adaptive second-order IIR notch filter | en_US |
dc.type | Article | en_US |
dc.identifier.email | Ng, Tung S:tsng@eee.hku.hk | en_US |
dc.identifier.authority | Ng, Tung S=rp00159 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.scopus | eid_2-s2.0-0025431711 | en_US |
dc.identifier.volume | 68 | en_US |
dc.identifier.issue | 5 | en_US |
dc.identifier.spage | 779 | en_US |
dc.identifier.epage | 792 | en_US |
dc.publisher.place | United Kingdom | en_US |
dc.identifier.scopusauthorid | Chicharo, Joe F=7004185319 | en_US |
dc.identifier.scopusauthorid | Ng, Tung S=7402229975 | en_US |
dc.identifier.issnl | 0020-7217 | - |