Research on Optical Fiber Location System of Coal Mine Based on Φ - OTDR

被引：1

作者：

Guo, Jikun ^{[1
]}

Chen, Sihan ^{[1
]}

Zhao, Qing ^{[1
]}

机构：

[1] Heilongjiang Univ Sci & Technol, Coll Elect & Control Engn, Harbin 150022, Heilongjiang, Peoples R China

来源：

COMMUNICATIONS, SIGNAL PROCESSING, AND SYSTEMS | 2019年 / 463卷

关键词：

Coal mine; Distributed optical fiber vibration sensing technology; Phi-OTDR; Positioning;

D O I：

10.1007/978-981-10-6571-2_59

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In view of the low sensitivity and the poor spatial resolution of the OTDR distributed optical fiber vibration sensing technology used in the underground positioning system of coal mines. Based on this theory, a distributed fiber vibration sensing technology based on Phi-OTDR (phase sensitive time-domain reflectometer) is proposed, and its structure and positioning principle are analyzed. Experiments show that the performance of the positioning system based on Phi-OTDR is better than that of OTDR, which improves the sensitivity and spatial resolution of the system effectively. Therefore, when a mine disaster occurs, the system can pinpoint the trapped personnel in the mine.

引用

页码：485 / 492

页数：8

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