The Fault Diagnosis of Rolling Bearing Based on Ensemble Empirical Mode Decomposition and Random Forest

Table 1

The correlation coefficient between each IMF and unresolved signals.

	IMF1	IMF2	IMF3	IMF4	IMF5	IMF6	IMF7	IMF8	IMF9	IMF10	IMF11	trend
Correlation coefficient	0.8979	0.2694	0.3109	0.2383	0.0793	0.0105	0.0038	0.0016	0.0008	0.0004	0.0006	0.0000