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Parallel frequency tracking with built-in performance evaluation

Abstract

The problem of estimation of instantaneous frequency of a nonstationary complex sinusoid (cisoid) buried in wideband noise is considered. The proposed approach employs a bank of adaptive notch filters, extended with a nontrivial performance assessment mechanism which automatically chooses the best performing filter in the bank. Additionally, a computationally attractive method of implementing the bank is proposed. The new structure allows one to improve tracking results considerably, especially in nonstationary conditions. In terms of accuracy of frequency estimates, the proposed scheme outperforms existing ones considerably.

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
DIGITAL SIGNAL PROCESSING no. 23, edition 3, pages 845 - 851,
ISSN: 1051-2004
Language:
English
Publication year:
2013
Bibliographic description:
Meller M., Niedźwiecki M.: Parallel frequency tracking with built-in performance evaluation// DIGITAL SIGNAL PROCESSING. -Vol. 23, iss. 3 (2013), s.845-851
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.dsp.2012.12.022
Verified by:
Gdańsk University of Technology

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