An Instantaneous Engine Speed Estimation Method Using Multiple Matching Synchrosqueezing Transform

Table 2

The Renyi entropy and MRE of three TFA-based methods.

Methods	SST-based	MSST-based	MMSST-based
Renyi entropy	17.9104	18.0259	17.6883
MRE	0.0071	0.0077	0.0051