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

Table 3

Correlation coefficient of EEMD components.

Component	IMF1	IMF2	IMF3	IMF4	IMF5	IMF6	IMF7	IMF8	IMF9	IMF10	IMF11	IMF12	IMF13
y	0.4565	0.4385	0.4337	0.0869	0.0614	0.0431	0.0372	0.0051	0.0010	0.0036	0.0002	0.0000	0.0029
x	0.5654	0.0029	0.0060	0.0023	0.0026	0.0103	0.0055	0.8514	0.9799	0.0279	0.0171	0.0217	0.0661
e	0.6636	0.6487	0.3905	0.3491	0.2510	0.1743	0.1064	0.0009	0.0189	0.0059	0.0083	0.0040	0.0008