Figure 6
From: Robust post-processing time frequency technology and its application to mechanical fault diagnosis
Renyi Entropy, mixed \(MSE{\text{s}}\) of IF and \(MSNR\)—output comparisons of the STFT, SST, SET, SSET, FSTFT, FSST, FSET and FSSET methods in different \(MSNR\) (\(\alpha = 0.8\)). (a) Renyi entropy; (b) mixed \(MSE{\text{s}}\) of IF; (c) \(MSNR\)—output).
