Fiber Optic Microseismic Monitoring System Used in Underground Coal Mines
A fiber optic microseismic monitoring system for underground coal mines is proposed in this paper. The technical details including overall structure, fiber Bragg grating geophone, and interrogation system are introduced. The results show that the system achieves a bandwidth of 1-300 Hz and a dynamic...
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| Veröffentlicht in: | Journal of physics. Conference series 2018-08, Vol.1065 (25), p.252012 |
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| container_issue | 25 |
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| container_title | Journal of physics. Conference series |
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| creator | Hu, Binxin Song, Guangdong Zhu, Feng Zhang, Hua Liu, Tongyu |
| description | A fiber optic microseismic monitoring system for underground coal mines is proposed in this paper. The technical details including overall structure, fiber Bragg grating geophone, and interrogation system are introduced. The results show that the system achieves a bandwidth of 1-300 Hz and a dynamic range of 80 dB. An application example of monitoring cross-border mining activities in underground coal mine is presented at the end. |
| doi_str_mv | 10.1088/1742-6596/1065/25/252012 |
| format | Article |
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| subjects | Bragg gratings Coal mines Coal mining Fiber optics Interrogation Microseisms Monitoring Monitoring systems Physics Underground mines Underground mining |
| title | Fiber Optic Microseismic Monitoring System Used in Underground Coal Mines |
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