超长距离分布式光纤振动传感器中并发事件信号重构方法

Q4 Physics and Astronomy 光学技术 Pub Date : 2014-01-01 DOI:10.3788/GXJS20144001.0089

张金泉 Zhang Jinquan, 李香文 Li Xiangwen, 李. L. Dong, 张. Z. Xin, 刘素杰 Liu Sujie, 于立成 Yu Licheng

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引用次数: 0

摘要

针对复杂环境下长距离分布振动检测传感器性能下降的问题，提出了一种新的解决方案。该方案利用雷达信号处理领域广泛采用的振动信号特征提取、分离和融合技术，在多源噪声下实现了单个振动信号的恢复。当传感器用于检查两个和四个并发事件时，现场测试结果是准确的。该方案为恶劣环境下长距离分布振动检测传感器的部署提供技术支持。

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A method of concurrent events signal reconstruction in ultra-long distance distributed optical fiber vibration sensor

A new solution is proposed due to the performance declining of long distance distribution vibration detection sensors used at complex environment.The solution takes advantage of vibration signal feature extraction,separation and fusion technique which is widely adopted in radar signal processing field,and accomplishes individual vibration signal restore during a multi-source noise.The field test results are accurate when the sensors are used to check two and four concurrent events.The solution provides technical support to deploy long distance distribution vibration detection sensors at harsh environment.

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来源期刊

光学技术 Physics and Astronomy-Atomic and Molecular Physics, and Optics

CiteScore

0.60

自引率

0.00%

发文量

6699

期刊介绍： The predecessor of Optical Technology was Optical Technology, which was founded in 1975. At that time, the Fifth Ministry of Machine Building entrusted the School of Optoelectronics of Beijing Institute of Technology to publish the journal, and it was officially approved by the State Administration of Press, Publication, Radio, Film and Television for external distribution. From 1975 to 1979, the magazine was named Optical Technology, a quarterly with 4 issues per year; from 1980 to the present, the magazine is named Optical Technology, a bimonthly with 6 issues per year, published on the 20th of odd months. The publication policy is: to serve the national economic construction, implement the development of the national economy, serve production and scientific research, and implement the publication policy of "letting a hundred flowers bloom and a hundred schools of thought contend".