{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,9]],"date-time":"2026-06-09T15:46:21Z","timestamp":1781019981033,"version":"3.54.1"},"reference-count":29,"publisher":"MDPI AG","issue":"17","license":[{"start":{"date-parts":[[2023,8,23]],"date-time":"2023-08-23T00:00:00Z","timestamp":1692748800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"research program of Sanya Yazhou Bay Science and Technology City","award":["SKJC-2020-01-016"],"award-info":[{"award-number":["SKJC-2020-01-016"]}]},{"name":"research program of Sanya Yazhou Bay Science and Technology City","award":["20201g0087"],"award-info":[{"award-number":["20201g0087"]}]},{"DOI":"10.13039\/501100017291","name":"Zhongshan Municipal Bureau of Science and Technology","doi-asserted-by":"publisher","award":["SKJC-2020-01-016"],"award-info":[{"award-number":["SKJC-2020-01-016"]}],"id":[{"id":"10.13039\/501100017291","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100017291","name":"Zhongshan Municipal Bureau of Science and Technology","doi-asserted-by":"publisher","award":["20201g0087"],"award-info":[{"award-number":["20201g0087"]}],"id":[{"id":"10.13039\/501100017291","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Fiber optic distributed acoustic sensing (DAS) technology is widely used in security surveillance and geophysical survey applications. The response of the DAS system to external vibrations varies with different types of fiber optic cable connections. The mechanism of mutual influence between the cable\u2019s characteristics and DAS measurement results remains unclear. This study proposed a dynamic model of the interaction between the optical cable and the soil, analyzed the impact of the dynamic parameters of the optical cable and soil on the sensitivity of the DAS system, and validated the theoretical analysis through experiments. The findings suggest that augmenting the cable\u2019s bending stiffness 5.5-fold and increasing its unit mass 4.2-fold result in a discernible reduction of the system\u2019s response to roughly 0.15 times of its initial magnitude. Cables with lower unit mass and bending stiffness are more sensitive to vibration signals. This research provides a foundation for optimizing vibration-enhanced fiber optic cables and broadening the potential usage scenarios for DAS systems.<\/jats:p>","DOI":"10.3390\/s23177340","type":"journal-article","created":{"date-parts":[[2023,8,23]],"date-time":"2023-08-23T08:20:30Z","timestamp":1692778830000},"page":"7340","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["How the Material Characteristics of Optical Fibers and Soil Influence the Measurement Results of Distributed Acoustic Sensing"],"prefix":"10.3390","volume":"23","author":[{"given":"Ke","family":"Jiang","sequence":"first","affiliation":[{"name":"National Engineering Research Center of Fiber Optic Sensing Technology and Networks, Wuhan University of Technology, Wuhan 430070, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lei","family":"Liang","sequence":"additional","affiliation":[{"name":"National Engineering Research Center of Fiber Optic Sensing Technology and Networks, Wuhan University of Technology, Wuhan 430070, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoling","family":"Tong","sequence":"additional","affiliation":[{"name":"National Engineering Research Center of Fiber Optic Sensing Technology and Networks, Wuhan University of Technology, Wuhan 430070, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Feiyu","family":"Zeng","sequence":"additional","affiliation":[{"name":"National Engineering Research Center of Fiber Optic Sensing Technology and Networks, Wuhan University of Technology, Wuhan 430070, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaolong","family":"Hu","sequence":"additional","affiliation":[{"name":"National Engineering Research Center of Fiber Optic Sensing Technology and Networks, Wuhan University of Technology, Wuhan 430070, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,8,23]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"3671","DOI":"10.1109\/JLT.2021.3059771","article-title":"Optical Fiber Distributed Acoustic Sensors: A Review","volume":"39","author":"He","year":"2021","journal-title":"J. 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