Advances in Train and Rail Monitoring with DAS

Gregor Cedilnik, Ryan Hunt,Gareth Lees

26th International Conference on Optical Fiber Sensors (2018), paper ThE35(2018)

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摘要
DAS resembles thousands of microphones along the sensing fiber. In railway applications, only a small fraction of all DAS data carries information about the train-rail interaction. Transforming the data to a rail view or train view simplifies analysis and reveals valuable rail and train properties.
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