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

Table 2

Description of the artificial datasets.

No.	Dataset	Degrees of imbalance	Feature dimensions	Number of categories	Number of samples
1	Flame	147 : 93	2	2	240
2	Jain	276 : 97	2	2	373
3	Aggregation	272 : 170 : 127 : 105 : 45 : 35 : 34	2	7	788