Research Article
Research on the Application of Variational Mode Decomposition Optimized by Snake Optimization Algorithm in Rolling Bearing Fault Diagnosis
Figure 11
Time-domain waveform and TKEO envelope spectrum of the outer ring defect. (a) Time-domain waveform of the origin signal. (b) TKEO envelope spectrum of the origin signal. (c) Time-domain waveform of the signal with added noise. (d) TKEO envelope spectrum of the noise signal.
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