Study on Fault Diagnosis of Rolling Bearing Based on Time-Frequency Generalized Dimension

Table 2

Components of four simulation signals.

Simulation signal	Frequency 1 (Hz)	Frequency 2 (Hz)	Frequency 3 (Hz)
Signal 1	50	100	null
Signal 2	50	200	null
Signal 3	50	100	200
Signal 4	50	200	400