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Analysis of phase difference of acceleration fiber optic vector hydrophone based on signal-to-noise ratio | IEEE Conference Publication | IEEE Xplore

Analysis of phase difference of acceleration fiber optic vector hydrophone based on signal-to-noise ratio


Abstract:

In this paper, the influence of signal-to-noise ratio (SNR) and frequency on the phase difference of the acceleration fiber optic vector hydrophone is analyzed and verifi...Show More

Abstract:

In this paper, the influence of signal-to-noise ratio (SNR) and frequency on the phase difference of the acceleration fiber optic vector hydrophone is analyzed and verified by simulation, laboratory measurement and experimental data at sea.
Date of Conference: 05-08 August 2019
Date Added to IEEE Xplore: 19 December 2019
ISBN Information:
Conference Location: Huangshan, China

1. INTRODUCTION

Vector hydrophone is a kind of sensor which can detect the vector signals such as acoustic velocity and acceleration [1], [2]. It has low frequency directivity, high spatial gain and smaller volume than traditional acoustic hydrophone and its array. According to different working principles, vector hydrophones can be divided into differential pressure type and co-vibration type. Co-vibration vector hydrophones can directly measure particle velocity in sound field without obvious distortion of sound field, and their performance parameters are stable. They have been widely used in sonar buoy system, towed array low noise measurement and other fields [3].

References

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