Optical Communication Technology, Volume. 49, Issue 2, 40(2025)

SV-VMD vibration localization and signal recovery method based on Φ-OTDR

XIONG Peiyuan1, XU Shaohua1, LI Heng1, CHEN Dahua1, CHEN Cong2, YANG Song2, and DU Hao2
Author Affiliations
  • 1Guangxi Beitou IT Innovation Technology Investment Group Co., Ltd., Nanning 530200, China
  • 2School of Optoelectronic Engineerging, Guilin University of Electronic Technology, Guilin Guangxi 541004, China
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    References(10)

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    [3] [3] ABUFANA S A, DALVEREN Y, AGHNAIYA A, et al. Variational mode decomposition-based threat classification for fiber optic distributed acoustic sensing[J]. IEEE Access, 2020, 8: 100152-100158.

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    [5] [5] HE Z, LIU Q. Optical fiber distributed acoustic sensors: a review[J]. Journal of Lightwave Technology, 2021, 39(12): 3671-3686.

    [6] [6] WU H, LU H, YANG S, WANG Y, et al. Vertical offset-distance estimation and threat level prediction of vibrations with DAS[J]. IEEE Access, 2020, 8: 177245-177254.

    [7] [7] QIN Z, GAO J, ZHU W, et al. Vibration detection based on multipath information fusion in dual-channel phi-OTDR system[J]. IEEE Access, 2021, 9: 20318-20330.

    [8] [8] ZAN W, WANG Y, LIU X, et al. Envelope extraction for vibration locating in coherent -OTDR[J]. Sensors, 2022, 22(3): 1197-1205.

    [9] [9] MEI X,PANG F, LIU H, et al. Fast coarse-fine locating method for -OTDR[J]. Optics Express, 2018, 26(3): 2659-2667.

    [11] [11] ZHONG Z, WANG F, ZONG M, et al. Dynamic measurement based on the linear characteristic of phase change in phi-OTDR[J]. IEEE Photonics Technology Letters, 2019, 31(14): 1191-1194.

    [12] [12] FAN C, LI H, HE T, et al. Large dynamic range optical fiber distributed acoustic sensing (DAS) with differential-unwrapping-integral algorithm[J]. Journal of Lightwave Technology, 2021, 39: 7274-7280.

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    XIONG Peiyuan, XU Shaohua, LI Heng, CHEN Dahua, CHEN Cong, YANG Song, DU Hao. SV-VMD vibration localization and signal recovery method based on Φ-OTDR[J]. Optical Communication Technology, 2025, 49(2): 40

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    Paper Information

    Special Issue:

    Received: Feb. 21, 2025

    Accepted: Apr. 25, 2025

    Published Online: Apr. 25, 2025

    The Author Email:

    DOI:10.13921/j.cnki.issn1002-5561.2025.02.008

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