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Comparing approaches of suppressing tow ship noise with a horizontal line array
Author(s): Nan Zou; Jia Feng; Guolong Liang; Yan Wang
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Paper Abstract

The noise of tow ship seriously influences the detection of towed line array. Null steering beamforming(NSBF), inverse beamforming(IBF) and non-data based beam-space transformation(NDBBT) are applied to suppress interference of tow ship in this paper. These methods are evaluated according to the improvement of signal-noise ratio(SNR). Simulation and trial results show that all three methods can suppress interference of tow ship effectively to a certain degree, and NDBBT performs better in suppressing interference than NSBF and IBF.

Paper Details

Date Published: 12 December 2018
PDF: 9 pages
Proc. SPIE 10850, Ocean Optics and Information Technology, 1085003 (12 December 2018); doi: 10.1117/12.2503959
Show Author Affiliations
Nan Zou, Harbin Engineering Univ. (China)
Jia Feng, Harbin Engineering Univ. (China)
Guolong Liang, Harbin Engineering Univ. (China)
Yan Wang, Harbin Engineering Univ. (China)

Published in SPIE Proceedings Vol. 10850:
Ocean Optics and Information Technology
Xuelong Li; Lixin Wu; Jianquan Yao; Hao Yin; Renhe Zhang; Zhongliang Zhu, Editor(s)

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