A Fault Feature Extraction Method for Rolling Bearing Based on Pulse Adaptive Time-Frequency Transform

Figure 12

(a) The time domain waveform of the measured data; (b) the time domain waveform of the envelope signal of the measured data; (c) the processing result of the measured data by SPM; (d) The processing result of the measured data by shock pulse frequency spectrum analysis method; (e) the processing result of the measured data by shock pulse time-frequency analysis method; (f) the processing result of the measured data by PATFTM.

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