Table 6.

The signal-to-noise ratio (SNR) gain of features.

	Features
	1	2	3	4	5	6	7	8
Normal	2.512	−0.471	0.390	0.726	0.789	−0.049	1.519	1.469
Inner Race	2.512	−0.471	0.390	0.726	0.789	−0.049	1.519	1.469
Rolling element	2.397	0.137	1.007	0.432	1.078	0.482	1.283	0.770
Outer Race	2.439	0.970	3.801	−0.104	0.676	2.216	1.501	−1.809