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Efficient tracking of multiple sinusoids with slowly varying parameters
1993 (English)In: ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing, 1993, Vol. 3, 368-371 p.Conference paper, Published paper (Refereed)
Abstract [en]

An algorithm for tracking the parameters of slowly time-varying multiple sine waves in noise is proposed. The estimates of the instant frequencies are updated directly using a simple property of the one-step increment of the phases. The algorithm is based on the recursive least squares method with exponential weighting factor. The risetime and the noise rejection characteristics of the algorithm are studied theoretically in the single complex sine wave case, assuming that the SNR is sufficiently high. The proposed algorithm is easy to implement, and computer simulations show that it yields good results.<>

Place, publisher, year, edition, pages
1993. Vol. 3, 368-371 p.
Keyword [en]
algorithm;exponential weighting factor;noise rejection characteristics;one-step increment;recursive least squares method;risetime;slowly time-varying multiple sine waves;tracking;adaptive filters;least squares approximations;parameter estimation;time-varying systems;tracking;
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-43903DOI: 10.1109/ICASSP.1993.319511OAI: oai:DiVA.org:kth-43903DiVA: diva2:448899
Conference
1993 IEEE International Conference on Acoustics, Speech and Signal Processing. Minneapolis, MN, USA. 27 April 1993 through 30 April 1993
Note
QC 20111111Available from: 2011-10-18 Created: 2011-10-18 Last updated: 2011-11-11Bibliographically approved

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Händel, Peter

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