Research Article
Determination of First Arrival Wave Type of Microseismic Signals and Approach to Wave Velocity Correction
Table 2
Delay time at different noise levels.
| ā | 0.1 | 0.2 | 0.5 | 1 |
| 1 | 0.04 | 0.04 | 0.038 | 0.038 | 2 | 0.04 | 0.042 | 0.04 | 0.04 | 3 | 0.04 | 0.04 | 0.04 | 0.05 | 4 | 0.04 | 0.04 | 0.038 | 0.036 | 5 | 0.04 | 0.042 | 0.04 | 0.042 | 6 | 0.04 | 0.038 | 0.036 | 0.04 | 7 | 0.04 | 0.04 | 0.042 | 0.032 | 8 | 0.04 | 0.04 | 0.044 | 0.028 | 9 | 0.04 | 0.038 | 0.042 | 0.046 | 10 | 0.04 | 0.042 | 0.04 | 0.044 |
|
|