Time-frequency signal analysis by means of the Wigner distribution
T. Claasen, W. Mecklenbräuker
Abstract
T. Claasen, W. Mecklenbräuker
Abstract
The Wigner distribution is a signal transformation that exhibits some very interesting properties with regard to time-frequency signal analysis. The most important of these properties are discussed. The Wigner distribution is then compared with other time-frequency signal representations, such as the spectrogram. It appears that the Wigner distribution is better able to display non-stationarities in the signals.
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The Wigner distribution is a signal transformation that exhibits some very interesting properties with regard to time-frequency signal analysis. The most important of these properties are discussed. The Wigner distribution is then compared with other time-frequency signal representations, such as the spectrogram. It appears that the Wigner distribution is better able to display non-stationarities in the signals.
Key concepts: Wigner distribution function, Spectrogram, SIGNAL (programming language), Time–frequency analysis, Distribution (mathematics), Transformation (genetics), Signal processing, Discrete-time signal