Arrival structure of a distance source on the horizontal line array in deep ocean

Tongwei Zhang, Kunde Yang

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

The arrival signals of the horizontal line array (HLA) in the waveguide are not plane waves. The direction of maximum array output will not be the exact direction of the source. The acoustic pressure field can be expressed in terms of a normal mode expansion. The output of the HLA for a distance source in the waveguide is then constructed by summing up contributions of the normal mode response to each of the modes weighted in accordance to the frequency-wavenumber response of the array. The low and high order modes arrive at shallow and steep grazing angles, respectively. In deep ocean, a source away from the sound channel axis couples strongly with high order modes while weakly with low order modes. The direction of maximum output of a HLA deviates significantly from the horizontal direction.

源语言英语
主期刊名ICSP2010 - 2010 IEEE 10th International Conference on Signal Processing, Proceedings
2353-2356
页数4
DOI
出版状态已出版 - 2010
活动2010 IEEE 10th International Conference on Signal Processing, ICSP2010 - Beijing, 中国
期限: 24 10月 201028 10月 2010

出版系列

姓名International Conference on Signal Processing Proceedings, ICSP

会议

会议2010 IEEE 10th International Conference on Signal Processing, ICSP2010
国家/地区中国
Beijing
时期24/10/1028/10/10

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