Research Article
Casing Vibration Fault Diagnosis Based on Variational Mode Decomposition, Local Linear Embedding, and Support Vector Machine
Table 1
Amplitude parameter formulas.
| Peak-to-peak value | | Variance | | Standard deviation | | Root-mean-square | | Square-mean-root | | Mean amplitude | | Skewness | | Kurtosis | | Waveform factor | | Crest factor | | Impulse factor | | Margin factor | |
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