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The S transform is widely used in time-frequency analysis (TFA). However, the standard S transform suffers from the poor energy concentration in time-frequency distribution (TFD). In this study, an adaptive Dolph–Chebyshev window instead of the Gaussian window-based S transform and its fast realisation strategy are introduced for non-stationary signal TFA. By controlling the shape of the Dolph–Chebyshev...
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