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Analysis and interpretation of a constrained notch filter
(Uppsala universitet)ORCID iD: 0000-0002-2718-0262
1992 (English)In: Acoustics, Speech, and Signal Processing, 1992. ICASSP-92., 1992 IEEE International Conference on, 1992, Vol. 4, 293-296 p.Conference paper (Refereed)
Abstract [en]

A notch filter based on discounted recursive least squares sinusoidal modeling is presented. This gives analytical insight both into least squares modeling of sine waves in noise and the use of constrained notch filters. Especially, it is shown that the discounted least squares solution converges to a commonly used notch filter with constrained poles and zeros, where the forgetting factor in the criterion corresponds to the pole radii in the filter. Also a Kalman filter interpretation is given for the derived constrained notch filter

Place, publisher, year, edition, pages
1992. Vol. 4, 293-296 p.
Keyword [en]
Kalman filter interpretation;analysis;constrained notch filter;constrained poles and zeros;discounted recursive least squares sinusoidal modeling;noise;sine waves;Kalman filters;least squares approximations;noise;notch filters;
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-43897DOI: 10.1109/ICASSP.1992.226428OAI: diva2:448908
QC 20111114Available from: 2011-10-18 Created: 2011-10-18 Last updated: 2011-11-21Bibliographically approved

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Händel, Peter
Electrical Engineering, Electronic Engineering, Information Engineering

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ReferencesLink to record
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