An Improved Method of EWT and Its Application in Rolling Bearings Fault Diagnosis

Table 1

Correlation coefficient.

Components	IEWT1	IEWT2	IEWT3	IEWT4
y	8.2056e − 04	0.1855	0.7501	0.1445
x	0.9928	−2.7467e−05	8.3583e−07	−5.3453e − 06
e	0.0125	0.4286	0.2312	0.7710