Time-Frequency Analysis of Signals Generated by Rotating Machines
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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.
Document typePeer reviewed
Document versionFinal PDF
SourceRadioengineering. 1999, vol. 8, č. 2, s. 37-42. ISSN 1210-2512
- 1999/2