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- W2765415086 abstract "Research purposes: Optical fiber vibration sensing system has been widely used in the oil, gas, frontier defence, prison and power industries. But, there are few reports about the application in railway defence. That is because the surrounding environment is complicated and there are many challenges to be overcomed in the optical fiber vibration sensing system application. For example, how to eliminate the effects of vibration caused by train, the natural environments such as wind and rain and how to identify and classify the intrusion events. In order to solve these problems, the feature signals of these events should be extracted firstly. Research conclusions: (1) In optical fiber vibration sensing system based on Sagnac interferometer, the peak-to-peak value, peak-to-average ratio, standard deviation, zero-crossing rate, short-term energy and kurtosis may serve as feature signals. (2) The feature signals of resting state, climbing concrete fence, breaking barbed wire, knocking concrete fence and rainstorm have been extracted, which shows significant difference among each other. (3) The research conclusions can be used in the identification and classification of intrusion events." @default.
- W2765415086 created "2017-11-10" @default.
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- W2765415086 date "2017-10-25" @default.
- W2765415086 modified "2023-09-28" @default.
- W2765415086 title "Features extraction algorithm about typical railway perimeter intrusion event" @default.
- W2765415086 cites W2052194957 @default.
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- W2765415086 doi "https://doi.org/10.1117/12.2285278" @default.
- W2765415086 hasPublicationYear "2017" @default.
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