The Fault Feature Extraction of Rolling Bearing Based on EMD and Difference Spectrum of Singular Value

<div>(a) Envelope spectrum of the reconstructed signal by the first two singular values and (b) envelope spectrum of the reconstructed signal by the third and fourth singular values.</div>

Shock and Vibration

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Figure 4

Figure 4: The Fault Feature Extraction of Rolling Bearing Based on EMD and Difference Spectrum of Singular Value 