Research Article

An Integrated Fault Diagnosis Method for Rotating Machinery Based on Improved Multivariate Multiscale Amplitude-Aware Permutation Entropy and Uniform Phase Empirical Mode Decomposition

Figure 8

(a) The distinguishing effect of characteristic vectors (3 dimensional) in each working condition after dimensionality reduction by the t-SNE method; (b) The distinguishing effect of feature vectors (3 dimensional) in each working condition without using the t-SNE method.
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(b)