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Estimating the number of components of a multicomponent nonstationary signal using the short-term time-frequency Rényi entropy

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Figure

Figure 1 (a) Time representation, (b) magnitude spectrum, (c)spectrogram, (d) WVD, and (e) SPWVD of a two-componentnonstationary signal.
Figure 2 A Gabor logon in time (time-frequency domain using the SPWVD (top), frequency (left), and jointcenter).
Figure 4 Two Gabor logons with different time durations,shown in time, frequency, and time-frequency (SPWVD).
Figure 6 (a) SPWVD of a two-component signal with linear andsinusoidal FMs; (b) 7 s time slice of the SPWVD around p = 130 s.
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