Figure 12
From: Robust post-processing time frequency technology and its application to mechanical fault diagnosis
TFR of the signal \(x(t)\) in infinite variance process noise environment (\(\alpha = 0.8\), \(SNR = 8\;{\text{dB}}\)). (a) The 1st order MSST method. (b) The 1st order FMSST method. (c) The 2nd order MSST method. (d) The 2nd order FMSST method. (e) The 8th order MSST method. (f) The 8th order FMSST method.
