Research Article
A Control Method of Rock Burst for Dynamic Roadway Floor in Deep Mining Mine
Table 5
Main parameters of the mine ultrasonic transmitter.
| | Host size (length × width × height) (mm3) | Channel number | Ultrasonic time accuracy (με) | Working hours (h) | Transmitting voltage (V) | Storage capacity (G) |
| | 270 × 220 × 75 | 4 | 0.05 | >5 | 65,250,500,1000 | 4 |
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