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Analog Frequency Tracking FilterISAR, A. , ISAR, D.
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analog circuits, frequency modulation, matched filters, switched capacitors circuits, tracking filter
tracking(7), filters(7), vibration(5), filter(5), systems(4), isar(4), design(4), adaptive(4)
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About this article
Date of Publication: 2013-05-31
Volume 13, Issue 2, Year 2013, On page(s): 17 - 22
ISSN: 1582-7445, e-ISSN: 1844-7600
Digital Object Identifier: 10.4316/AECE.2013.02003
Web of Science Accession Number: 000322179400003
SCOPUS ID: 84878899836
This paper propose a new type of analog adaptive filter derived as a generalization of the concept of matched filter. We conceive such a filter to track the instantaneous frequency of frequency modulated signals. Some properties of the proposed analog frequency tracking filter are established using the time-frequency representations theory. A constructive solution, based on common analog integrated circuits, is also proposed. The performance of the analog frequency tracking filter built is evaluated by measurements. Finally, some possible applications are highlighted.
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Faculty of Electrical Engineering and Computer Science
Stefan cel Mare University of Suceava, Romania
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