Abstract

Time-frequency analysis theory is frequently-used in signal processing field. The S transform (ST) and its generalized form are the improved forms of wavelet transform (WT) and the short time Fourier transform (STFT). In generalized S transform (GST) algorithm, the key problem is the choice of the window function and the optimization of the parameters. This paper proposed a method to solve this problem. Linear FM signal and nonlinear FM signal are used to verify the effectiveness of this method.

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