Rolling Bearing Diagnosis Based on Adaptive Probabilistic PCA and the Enhanced Morphological Filter

<div>The results of the evaluation indicator varying with SNR: (a) feature energy factor; (b) permutation entropy; (c) envelope spectrum sparsity; (d) 3rd harmonic amplitude.</div>

Shock and Vibration

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Figure 1

Figure 1: Rolling Bearing Diagnosis Based on Adaptive Probabilistic PCA and the Enhanced Morphological Filter 