Study on multiple-point localization problem of distributed fiber-optic vibration-sensing systems

MU Li-bo; WU Yue-feng; YAO Jian

doi:10.13873/j.1000-97872010.06.026

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Study on multiple-point localization problem of distributed fiber-optic vibration-sensing systems

更新时间：2025-09-11

- Study on multiple-point localization problem of distributed fiber-optic vibration-sensing systems
- Vol. 29, Issue 6, Pages: 42-45+49(2010)
- 作者机构：
  
  中国电子科技集团公司第五十四研究所
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872010.06.026
  CLC： TP212.14
- Published：2010
- 稿件说明：
移动端阅览
[1]穆立波,吴悦峰,姚剑.分布式光纤震动传感系统的多点定位问题研究[J].传感器与微系统,2010,29(06):42-45+49.

MU Li-bo, WU Yue-feng, YAO Jian. Study on multiple-point localization problem of distributed fiber-optic vibration-sensing systems[J]. 2010, 29(6): 42-45+49.
[1]穆立波,吴悦峰,姚剑.分布式光纤震动传感系统的多点定位问题研究[J].传感器与微系统,2010,29(06):42-45+49. DOI： 10.13873/j.1000-97872010.06.026.

MU Li-bo, WU Yue-feng, YAO Jian. Study on multiple-point localization problem of distributed fiber-optic vibration-sensing systems[J]. 2010, 29(6): 42-45+49. DOI： 10.13873/j.1000-97872010.06.026.

摘要

针对3种分布式震动传感系统的多点定位问题进行了研究。论述了Sagnac干涉仪系统不易实现多点定位的原因;分析了双路MZ干涉仪系统的多点定位原理和局限性

并通过仿真验证了两点同时扰动定位失效的情况;最后说明了Φ-OTDR系统实现多点定位的原理和可行性

指出该系统最有可能从根本上解决多点定位问题;同时讨论了后2种系统多点定位的空间分辨率和定位精度。

Abstract

The multiple-point localization problem of three kinds of distributed vibration sensing systems is studied.The reason why it is not easy for Sagnac interferometer to realize multiple-point localization is explained.The principle and limitation of multiple-point localization for dual path Mach-Zehnder interferometer system are analyzed

and the failure of two-point localization is testified by simulation.The principle and feasibility of multiple-point localization realized by Φ-OTDR system were described.Moreover

spatial resolution and localization precision of the last two systems are discussed.

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references

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