Time-Frequency Analysis of Signals Generated by Rotating Machines

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99_02_08.pdf(539.96 KB)
Date
1999-06
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Mark
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Společnost pro radioelektronické inženýrství
Abstract
This contribution is devoted to the higher order time-frequency analyses of signals. Firstly, time-frequency representations of higher order (TFRHO) are defined. Then L-Wigner distribution (LWD) is given as a special case of TFRHO. Basic properties of LWD are illustrated based on the analysis of mono-component and multi-component synthetic signals and acoustical signals generated by rotating machine. The obtained results confirm usefulness of LWD application for the purpose of rotating machine condition monitoring.
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Keywords
Time-frequency representations of higher order, Wigner distribution, L-Wigner distribution
Citation
Radioengineering. 1999, vol. 8, č. 2, s. 37-42. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/1999/99_02_08.pdf
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Peer-reviewed
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Published version
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en
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Creative Commons Attribution 3.0 Unported License
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http://hdl.handle.net/11012/58268
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1999/2
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