7 November 2012 Reducing location error and processing time of dual Mach-Zehnder interferometric fiber perturbation sensor using zero-crossing analysis
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Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 8421A8 (2012) https://doi.org/10.1117/12.975633
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China
Abstract
A novel location algorithm based on zero-crossing analysis is introduced in this paper to reduce the location error and processing time of dual Mach-Zehnder interferometric (DMZI) fiber perturbation sensor. The algorithm can extract highfrequency part from original signal and obtain perturbation location using cross correlation in a very short process time. By extracting high-frequency signal, the algorithm can also acquire a low perturbation location error. Experiment results show that the perturbation location error only has 10 m and the processing time is less than 0.13s in the case of 10MHz sample rate.
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Xiaoping Zhang, Tiegen Liu, Kun Liu, Junfeng Jiang, Zhenyang Ding, Qinnan Chen, "Reducing location error and processing time of dual Mach-Zehnder interferometric fiber perturbation sensor using zero-crossing analysis", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 8421A8 (7 November 2012); doi: 10.1117/12.975633; https://doi.org/10.1117/12.975633
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