Classes of smoothed Weyl symbols

We propose a new class of time frequency (TF) symbols covariant to time shifts and frequency shifts on a random process. The new TF symbols are useful for analyzing linear time-varying systems or nonstationary random processes, and they are defined as TF-smoothed versions of the narrowband Weyl symb...

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Veröffentlicht in:	IEEE signal processing letters 2000-07, Vol.7 (7), p.186-188
Hauptverfasser:	Iem, B.-G., Papandreou-Suppappola, A., Boudreaux-Bartels, G.F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Autocorrelation Frequency shift Kernel Kernels Narrowband Quadratic forms Random processes Signal processing Smoothing methods Symbols Time frequency analysis Time varying systems Transfer functions Wideband
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