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A Compound Fault Diagnosis for Rolling Bearings Method Based on Blind Source Separation and Ensemble Empirical Mode Decomposition

Figure 14

Spectra of the separated signals by the proposed method at 1300 rpm.

A) Spectrum of the outer-race defect; B) Spectrum of the unbalance fault; C) Spectrum of the rollers defect.

doi: https://doi.org/10.1371/journal.pone.0109166.g014