Research Article
An Integrated Fault Identification Approach for Rolling Bearings Based on Dual-Tree Complex Wavelet Packet Transform and Generalized Composite Multiscale Amplitude-Aware Permutation Entropy
Figure 12
GCMAAPE value of four subband signals over 10 scales under nine different working conditions. (a) Subband signal 1. (b) Subband signal 2. (c) Subband signal 3. (d) Subband signal 4.
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