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Sea trial of flow noise of fiber laser hydrophone array
Hao, Ge-Yang1; Li, Qi1; Liu, Bo1; Liu, Wei1; Wu, Guo-Jun1,2
2018
会议名称International Symposium on Optoelectronic Technology and Application 2018: Advanced Laser Technology and Applications, OTA 2018
会议录名称Advanced Laser Technology and Applications
卷号10847
会议日期2018-05-22
会议地点Beijing, China
出版者SPIE
产权排序1
摘要Towed linear array array based on fiber laser hydrophone which had much research potentiality owing to its higher acoustic pressure sensitivity, smaller size and lower difficulty of multiplexing. Flow noise is one of the main sources of noise in the towed linear array system. It will compress the dynamic range of fiber laser hydrophone and reduce the detection ability to small signal. In this paper, the structure of a 4 channel fiber laser hydrophone towed linear array was presented, and the data of sea trial of flow noise was analyzed. The results shows that the influence of flow noise mainly concentrate on the low frequency band which under 500Hz, and the background noise level has increased nearly 70-80dB when the array is towed at the speed of 3 kn. © 2018 SPIE.
作者部门先进光学仪器研究室
DOI10.1117/12.2505565
收录类别EI
ISBN号9781510623309
语种英语
ISSN号0277786X;1996769X
EI入藏号20185206303318
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/31147
专题先进光学仪器研究室
作者单位1.Xi'an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi'an; 710119, China;
2.Qingdao National Laboratory for Marine Science and Technology, Qingdao; 266237, China
推荐引用方式
GB/T 7714
Hao, Ge-Yang,Li, Qi,Liu, Bo,et al. Sea trial of flow noise of fiber laser hydrophone array[C]:SPIE,2018.
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