The Method for Determining Optimal Analysis Length of Vibration Data Based on Improved Multiscale Permutation Entropy

<div>Improvement of coarse-graining. (a) Illustration of coarse-grained time series. (b) An improved illustration of coarse-graining time series.</div>

Shock and Vibration

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Figure 1

Figure 1: The Method for Determining Optimal Analysis Length of Vibration Data Based on Improved Multiscale Permutation Entropy 