Research Article
A Novel Method for Identifying Resonance Frequency Band in Weak Bearing Fault Diagnosis of Electric Driving System
Figure 6
The comparison among FK, HTMFK, Protrugram, and SVD with simulation. (a) FK, = 3333.33 Hz, = 1666.67 Hz. (b) HTMFK, = 2890.625 Hz·Hz, = 156.25 Hz. (c) Protrugram, = 3100 Hz, = 800 Hz. (d) Spectrum of reconstructed signal by SVD.
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