【摘要】 Φ-OTDR分布式入侵检测系统能对沿光纤线路范围内的入侵目标进行远程、准确、实时的安全监控,本文分析了基于Φ-OTDR光纤传感系统的理论、优缺点以及国内外应用研究的方向,提出了在实际工程应用中对入侵检测系统各部件的具体改进措施。更多还原

【Abstract】 Φ-OTDR(Phase-Sensitive Optical Time-domain Reflectometry)distributed optic-fiber sensing system is a kind of distributed sensing system using optic-fiber can carry on real-time remote security monitoring of the target within it. The principle, advantage and disadvantage and research direction of the fiber sensing system based onΦ-OTDR are introduced.The future of the optical fiber sensing technology is prospected.Finally, Some suggestions and reform measures to various parts of the systemin practical engineering are proposed.更多还原