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- W3103661212 endingPage "6594" @default.
- W3103661212 startingPage "6594" @default.
- W3103661212 abstract "Distributed fiber acoustic sensing (DAS) technology can continuously spatially detect disturbances along the sensing fiber over long distance in real time. It has many unique advantages, including, large coverage, high time-and-space resolution, convenient implementation, strong environment adaptability, etc. Nowadays, DAS becomes a versatile technology in many fields, such as, intrusion detection, railway transportation, seismology, structure health monitoring, etc. In this paper, the sensing principle and some common performance indexes are introduced, and a brief overview of recent DAS researches in Shanghai Institute of Optics and Fine Mechanics (SIOM) is presented. Some representative research advances are explained, including, quantitative demodulation, interference fading suppression, frequency response boost, high spatial resolution, and distributed multi-dimension localization. The engineering applications of DAS, carried out by SIOM and other groups, are summarized and reviewed. Finally, possible future directions are discussed and concluded. It is believed that, DAS has great development potential and application prospect." @default.
- W3103661212 created "2020-11-23" @default.
- W3103661212 creator A5012513718 @default.
- W3103661212 creator A5018999020 @default.
- W3103661212 creator A5038946891 @default.
- W3103661212 creator A5063743348 @default.
- W3103661212 date "2020-11-18" @default.
- W3103661212 modified "2023-10-05" @default.
- W3103661212 title "Recent Progress in Distributed Fiber Acoustic Sensing with Φ-OTDR" @default.
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- W3103661212 doi "https://doi.org/10.3390/s20226594" @default.
- W3103661212 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/7698859" @default.