Gear Crack Level Classification Based on EMD and EDT
Table 1
The correlation coefficients and fault factor of IMFs.
Number
IMF1
0.471
0.001
0.470
IMF2
0.494
−0.007
0.501
IMF3
0.556
0.012
0.543
IMF4
0.384
−0.012
0.396
IMF5
0.285
0.001
0.284
IMF6
0.154
0.000
0.154
IMF7
0.028
−0.004
0.032
IMF8
0.005
0.000
0.005
IMF9
0.006
0.002
0.004
IMF10
0.017
0.005
0.013
IMF11
0.011
−0.005
0.016
IMF12
0.000
0.000
0.000
IMF13
0.001
0.000
0.000
IMF14
0.000
0.000
−0.001
IMF15
−0.001
0.000
−0.001
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