2023•Journal of Physics Conference SeriesOpen access

Directivity Research of Sensing Channels in a Distributed Fiber Optic Hydrophone

Wenmin Li, Yang Lü, Yu Chen, Yan Liang, Zhou Meng

Abstract

Abstract An acoustic orientation method using the directivity of sensing channels in distributed fiber optic hydrophone (DFOH) is presented and demonstrated. Theoretical analysis shows that the sensing channel of DFOH is directional. Based on the directivity function of the channel, the direction of the acoustic signal can be obtained by scanning the length of the sensing channel, which is confirmed by experiments.

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Available abstract

Key concepts: Hydrophone, Directivity, Acoustics, Channel (broadcasting), SIGNAL (programming language), Optics, Computer science, Telecommunications