Table 4 Searching parameters
From: Incipient Gear Fault Detection Using Adaptive Impulsive Wavelet Filter Based on Spectral Negentropy
| Â | \({\varvec{f}}_{{\varvec{c}}}\) step | \({\varvec{f}}_{{{\varvec{co}}}}\) | \({\varvec{f}}_{{\varvec{c}}}\) range | \({\varvec{f}}_{{\varvec{b}}}\) step | \({\varvec{f}}_{{{\varvec{bo}}}}\) | \({\varvec{f}}_{{\varvec{b}}}\) range |
|---|---|---|---|---|---|---|
SNM 1st iteration | 4 | 432 | 400–500 | 0.05 | 0.15 | 0.1–0.5 |
SNM 2nd iteration | 2 | 432 | 436–452 | 0.01 | 0.16 | 0.1–0.2 |
CCM | 2 | 500 | 250–350 | 0.01 | 0.5 | 0.1–0.5 |
KM | 2 | 466 | 250–350 | 0.01 | 0.29 | 0.1–0.5 |