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  • Asia Communications and Photonics Conference/International Conference on Information Photonics and Optical Communications 2020 (ACP/IPOC)
  • OSA Technical Digest (Optica Publishing Group, 2020),
  • paper S4G.5
  • https://doi.org/10.1364/ACPC.2020.S4G.5

DUI Algorithm for improving the dynamic range of fiber optic distributed acoustic sensor

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Abstract

We proposed a differential-unwrapping-integral (DUI) algorithm for distortionless recovery of large amplitude acoustic signal in optical fiber DAS. The dynamic measurement range of phase demodulation could be increased by 82 times without sacrificing other performance.

© 2020 The Author(s)

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