Bearing Fault Diagnosis under Variable Working Conditions Based on Deep Residual Shrinkage Networks and Transfer Learning

Table 4

The time cost of three backbone networks.

Backbone network	SNR (dB)	Training time (s)
CNN	-5 dB	1256 s
ResNet	-5 dB	1302 s
RSBU-CW	-5 dB	1109 s
CNN	5 dB	1145 s
ResNet	5 dB	1204 s
RSBU-CW	5 dB	1003 s