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Self-tuning adaptive frequency tracker

Abstract

An automatic gain tuning algorithm is proposed for a recently introduced adaptive notch filter. Theoretical analysis and simulations show that, under Gaussian random-walk type assumptions, the proposed extension is capable of adjusting adaptation gains of the filter so as to minimize the mean-squared frequency tracking error without prior knowledge of the true frequency trajectory. A simplified one degree of freedom version of the filter, recommended for practical applications, is proposed as well.

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
DIGITAL SIGNAL PROCESSING no. 33, pages 71 - 82,
ISSN: 1051-2004
Language:
English
Publication year:
2014
Bibliographic description:
Meller M.: Self-tuning adaptive frequency tracker// DIGITAL SIGNAL PROCESSING. -Vol. 33, (2014), s.71-82
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.dsp.2014.06.004
Verified by:
Gdańsk University of Technology

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