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Proceedings Paper

Positioning approach based on Mach-Zehnder fiber sensors and a DSP processor
Author(s): Xiong Wan; Tingting Du; Zhimin Zhang; Huaming Zhang; Peng Wang
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Paper Abstract

A positioning system based on Mach-Zehnder optical fiber interferometer is proposed, which can sense vibration information along the circumference of the fiber sensor and hence be applied to positioning invasions as a safe-guard system in residence communities. A cross-correlation algorithm fulfilled with a DSP processor has been adopted to calculate the time difference of two channels of the Mach-Zehnder optical fiber interferometer. A signal identification algorithm is proposed to decrease the workload of the DSP when no vibration occurs. An experiment with 11.28 kilometers sensing fiber has been carried out, whose results show the Mach-Zehnder positioning system identifies the position of vibration instantaneously and has a 44 meters positioning error within the total sensing distance.

Paper Details

Date Published: 20 December 2013
PDF: 7 pages
Proc. SPIE 9044, 2013 International Conference on Optical Instruments and Technology: Optical Sensors and Applications, 90440T (20 December 2013); doi: 10.1117/12.2035863
Show Author Affiliations
Xiong Wan, Shanghai Institute of Technical Physics (China)
Nanchang Hangkong Univ. (China)
Tingting Du, Nanchang Hangkong Univ. (China)
Zhimin Zhang, Nanchang Hangkong Univ. (China)
Huaming Zhang, Nanchang Hangkong Univ. (China)
Peng Wang, Nanchang Hangkong Univ. (China)


Published in SPIE Proceedings Vol. 9044:
2013 International Conference on Optical Instruments and Technology: Optical Sensors and Applications
Brian Culshaw; Xuping Zhang; Anbo Wang, Editor(s)

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