Jiangzheng Shu
ABSTRACT
To investigate the feasibility of marine environmental monitoring using optical fibers embedded within submarine cables, an underwater distributed acoustic sensing (DAS) experiment was conducted in the northern waters off the Zhairuo Mountain in Zhoushan, Zhejiang Province. Specific acoustic signals were generated at several different locations by shipborne transducers, and both the DAS-instrumented submarine optical fibers and traditional hydrophones received the signals simultaneously. Though the submarine optical fibers actually observed the strain signals induced by the transducer-generated acoustic signals on the cable surface, the strain signals could be demodulated and transformed to acoustic signals by a DAS demodulator, which is connected to one end of the optical fiber. By comparing the acoustic signals obtained by the receivers in the time-frequency domain, our results demonstrated that the DAS-instrumented submarine cable works effectively as an underwater acoustic sensor array, which was distributed along the cable route on the seafloor. The research findings have significant implications for underwater acoustic monitoring using submarine cables, as well as for underwater wireless data transmission and communication.
- SLASEN A, RIVET D, AMPUERO J, Distributed sensing of earthquakes and ocean-solid Earth interactions on seafloor telecom cables. Nature Communications, 2019, 10(1): 5777-5784.Google Scholar
Cross Ref
- LI Siyuan, CHENG Lei, ZHANG Ting, Artificial intelligence-assisted marine three-dimensional observation and detection. Digital Ocean and Underwater Warfare, 2023, 6(2): 120-132.Google Scholar
- CAI H, YE Q, WANG Z, Progress in Research of Distributed Fiber Acoustic Sensing Techniques. Journal of Applied Sciences, 2018, 36(1): 41-58.Google Scholar
- LINDSEY N, DAWE T, AJO-FRANKLIN J. Illuminating seafloor faults and ocean dynamics with dark fiber distributed acoustic sensing. Science. 2019, 366 (6469): 1103-1107.Google ScholarCross Ref
- CAI Haiwen, YE Qing, WANG Zhaoyong, Distributed optical fiber acoustic sensing technology based on coherent Rayleigh scattering. Laser & Optoelectronics Progress, 2020, 57(5): 9-24.Google Scholar
- TEJEDOR J, MARTINS H, PIOTE D, Toward Prevention of Pipeline Integrity Threats Using a Smart Fiber-Optic Surveillance System. Journal of Lightwave Technology, 2016, 34(19): 4445-4453.Google ScholarCross Ref
- FEI P, NING D, Real-Time Position and Speed Monitoring of Trains Using Phase-Sensitive OTDR. IEEE Photonics Technology Letters, 2014, 26(20): 2055-2057.Google ScholarCross Ref
- BYERLEY G, MONK D, AARON P, Time-lapse seismic monitoring of individual hydraulic frac stages using a downhole DAS array. Leading Edge, 2018, 37(11): 802-810.Google ScholarCross Ref
- Wu Mengshi. High-performance fiber-optic quasi-distributed acoustic sensors for hydrophone applications. Shanghai: Shanghai Jiao Tong University, 2020.Google Scholar
- Zhou Tong. A study of high-performance pattern recognition algorithms in distributed acoustic field sensing systems. Nanjing: Nanjing University, 2020.Google Scholar
- KARRENBACH M, COLE S, RIDGE A, Fiber-optic distributed acoustic sensing of microseismicity, strain and temperature during hydraulic fracturing. Geophysical, 2019, 84(1): 11-23.Google Scholar
Index Terms
- Research on Underwater Acoustic Detection Based on Submarine Cable Distributed Acoustic Sensing
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