An Improved Bearing Fault Diagnosis Model of Variational Mode Decomposition Based on Linked Extension Neural Network

Table 7

Imbalance degrees of experimental data.

No.	The number of samples in each condition (N : MIF : SIF : MBF : SBF)	Imbalance degree
Dataset 1	100 : 50 : 50 : 50 : 50	2 : 1 : 1 : 1 : 1
Dataset 2	100 : 30 : 30 : 30 : 30	3 : 1 : 1 : 1 : 1
Dataset 3	100 : 20 : 20 : 20 : 20	5 : 1 : 1 : 1 : 1
Dataset 4	100 : 10 : 10 : 10 : 10	10 : 1 : 1 : 1 : 1