Shock and Vibration / 2020 / Article / Fig 14

Research Article

An MCM-Enhanced Compressive Sensing for Weak Fault Feature Extraction of Rolling Element Bearings under Variable Speeds

Figure 14

The analysis results using NEA: (a) kurtogram; (b) envelope order spectrum: the spectrum is obscure, and SNR2 is only −9.07 dB.
(a)
(b)

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Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.