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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
Conference NameInternational Symposium on Optoelectronic Technology and Application 2018: Advanced Laser Technology and Applications, OTA 2018
Source PublicationAdvanced Laser Technology and Applications
Volume10847
Conference Date2018-05-22
Conference PlaceBeijing, China
PublisherSPIE
Contribution Rank1
AbstractTowed 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.
Department先进光学仪器研究室
DOI10.1117/12.2505565
Indexed ByEI
ISBN9781510623309
Language英语
ISSN0277786X;1996769X
EI Accession Number20185206303318
Citation statistics
Document Type会议论文
Identifierhttp://ir.opt.ac.cn/handle/181661/31147
Collection先进光学仪器研究室
Affiliation1.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
Recommended Citation
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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