Research Article
Research on Recognition of Quiet Period of Sandstone Acoustic Emission Based on Four Machine Learning Algorithms
Table 3
The ratio of energy coefficients of wavelet packets in each frequency band.
| Ratio of energy coefficient of wavelet packet 1 | Ratio of energy coefficient of wavelet packet 2 | Ratio of energy coefficient of wavelet packet 3 | Ratio of energy coefficient of wavelet packet 4 | Ratio of energy coefficient of wavelet packet 5 | Ratio of energy coefficient of wavelet packet 6 | Ratio of energy coefficient of wavelet packet 7 | Ratio of energy coefficient of wavelet packet 8 |
| 8.589199 | 13.090636 | 21.074831 | 37.721808 | 0.3832724 | 2.1183415 | 6.6037274 | 10.41818 | 1.038535 | 3.2668099 | 21.921492 | 29.630774 | 0.0343893 | 0.1808155 | 29.007755 | 14.91942 | 3.20980 | 1.4333071 | 17.064262 | 9.0767267 | 0.2504116 | 1.4821539 | 26.031356 | 41.45197 | 4.33816 | 5.13641826 | 25.69094226 | 16.439378 | 0.147846606 | 0.4297466 | 43.6422293 | 4.175268 |
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