Target localization for deep-sea vertical line array in the direct-arrival zone using deconvolution method

被引：0
|
作者：
Lyu J. [1 ]
Luo Z. [1 ]
Shen T. [1 ]
机构：
[1] National Innovation Institute of Defense Technology, Advanced Interdisciplinary Technology Research Center, Beijing
来源：
Shengxue Xuebao/Acta Acustica | 2024年 / 49卷 / 04期
关键词：
Deconvolution; Direct arrival acoustic zone; Multi-path arrival angle; Underwater source localization;
D O I：
10.12395/0371-0025.2023056
中图分类号：
学科分类号：
摘要：
The conventional method of deep-sea acoustic source localization is usually to use the multi-path arrival information of the acoustic source signals received by hydrophone arrays to match with the simulation results to achieve localization. Aiming at the problem that it is difficult to extract the similar multi-path arrival angle directly by the conventional method, a deconvolution positioning method for deep-sea vertical array underwater target is proposed. By using this method, not only the adaptive iterative frequency-domain Richardson-Lucy algorithm is used to directly estimate the multipath angle of arrival of deep-sea acoustic targets, but also the ranging and depth fixing are realized by matching the sound field angle of arrival feature template. Simulation and experimental results show that this positioning method has higher localization accuracy and applicability than the conventional method, and has high computational efficiency. © 2024 Science Press. All rights reserved.
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页码：636 / 646
页数：10
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