Distributed optical fiber vibration sensor vibration source transverse positioning method and system
A vibration sensor, distributed optical fiber technology, used in instruments, measuring devices, measuring ultrasonic/sonic/infrasonic waves, etc., to reduce false alarms
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[0035] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.
[0036] Such as figure 1 As shown, the method for lateral positioning of the vibration source of the distributed optical fiber vibration sensor in the embodiment of the present invention includes the following steps:
[0037] S1: Obtain spatiotemporal vibration data of the optical fiber spatial distribution caused by a single-point vibration source;
[0038] S2: Calculate the position of the axial vibration center of the optical fiber closest to the vibration source on the sensing optical fiber according to the space-time vibration data;
[0039] S3: Obtain the vibration data wave width Δt of the axi...
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