General form of time-frequency distribution with complex-lag argument

A general form of the time-frequency distribution with complex-lag argument is proposed. It is based on the generalised complex-lag distribution, modified to provide an efficient instantaneous frequency estimation in the case of multicomponent signals. The form of proposed distribution is suitable f...

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Bibliographic Details
Published in:Electronics letters 2008-05, Vol.44 (11), p.699-701
Main Authors: STANKOVIC, S, ZARIC, N, OROVIC, I, IOANA, C
Format: Article
Language:English
Subjects:
Applied sciences
Computer Science
Detection, estimation, filtering, equalization, prediction
Engineering Sciences
Exact sciences and technology
Information, signal and communications theory
Signal and communications theory
Signal and Image Processing
Signal, noise
Telecommunications and information theory
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Summary:A general form of the time-frequency distribution with complex-lag argument is proposed. It is based on the generalised complex-lag distribution, modified to provide an efficient instantaneous frequency estimation in the case of multicomponent signals. The form of proposed distribution is suitable for numerical realisation and it provides an arbitrarily high distribution concentration. The theory is illustrated by an example.
ISSN:0013-5194
1070-9908
1350-911X
1558-2361
DOI:10.1049/el:20080902