BOTDA combining channel estimation technique and complementary coding

Can Zhao; Ruolin Liao; Hao Wu; Ming Tang

doi:10.1364/OFS.2018.WF21

26th International Conference on Optical Fiber Sensors
OSA Technical Digest (Optica Publishing Group, 2018),
paper WF21
•https://doi.org/10.1364/OFS.2018.WF21

BOTDA combining channel estimation technique and complementary coding

Can Zhao, Ruolin Liao, Hao Wu, and Ming Tang

Optical Fiber Sensors 2018

Lausanne Switzerland
24–28 September 2018
ISBN: 978-1-943580-50-7

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Poster Session II (WF)

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C. Zhao, R. Liao, H. Wu, and M. Tang, "BOTDA combining channel estimation technique and complementary coding," in 26th International Conference on Optical Fiber Sensors, OSA Technical Digest (Optica Publishing Group, 2018), paper WF21.

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Abstract

We demonstrate a BOTDA using OFDM probe combined with complementary coding on a 10-km fiber. BGS distribution are measured within 10 ms, with a BFS uncertainty of less than 1.5 MHz due to enhanced SNR.

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