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 |
|
|