A Method for Determining Intrinsic Mode Function Number in Variational Mode Decomposition and Its Application to Bearing Vibration Signal Processing

<div>Bearing vibration signal and FFT spectrum, (a) Normal_3, (b) IR028_3, (c) OR021@6_3, and (d) B028_3.</div>

Shock and Vibration

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Figure 18

Figure 18: A Method for Determining Intrinsic Mode Function Number in Variational Mode Decomposition and Its Application to Bearing Vibration Signal Processing 

Figure 18 | A Method for Determining Intrinsic Mode Function Number in Variational Mode Decomposition and Its Application to Bearing Vibration Signal Processing 