A Rail Fault Diagnosis Method Based on Quartic C<sup>2</sup> Hermite Improved Empirical Mode Decomposition Algorithm.

Sensors (Basel) · 2019 · PMC6696217 · PMID 31357553

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a decreasing trendno p-value reported

It can be seen that, with the increase of noise variance, the correlation coefficients of both components show a decreasing trend, and the reduction range of 20 Hz signal is significantly smaller than that of the 100 Hz signal.

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