Monopulse Feature Extraction and Fault Diagnosis Method of Rolling Bearing under Low-Speed and Heavy-Load Conditions

Table 2

CNN structure and parameters.

Layer	Output number	Output size	Kernel size	Step length
Input layer I1	1	2500	—	—
Convolution layer C2	20	2243	116	12
Pooling layer P3	20	2121	12	12
Convolution layer C4	40	255	112	12
Pooling layer P5	40	227	12	12
Convolution layer C6	80	210	18	12
Fully connected layer F7	9	1	—	—