Measurement of underwater target radiated noise based on nested biconical array

被引：1
|
作者：
Shi, Jie [1 ,2 ,3 ]
Li, Zhichao [3 ]
Li, Heying [3 ]
Zhang, Yuhan [3 ]
机构：
[1] Harbin Engn Univ, Acoust Sci & Technol Lab, Harbin 150001, Peoples R China
[2] Harbin Engn Univ, Minist Ind & Informat Technol Harbin 150001, Key Lab Marine Informat Acquisit & Secur, Harbin 150001, Peoples R China
[3] Harbin Engn Univ, Coll Underwater Acoust Engn, Harbin 150001, Peoples R China
来源：
APPLIED ACOUSTICS | 2021年 / 174卷 / 174期
关键词：
Nested biconical array; Radiated noise measurement; Shallow sea;
D O I：
10.1016/j.apacoust.2020.107801
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
In order to measure the radiated noise of underwater low-noise targets, it is often necessary to measure the radiated noise in the near-field condition, and the array must have a certain spatial directivity to suppress the noise. In this paper, a novel volume array nested biconical array is proposed and designed, which is supported by a near-field focusing constant beamwidth beamforming algorithm. The array has the ability to receive the underwater target radiated noise with constant beamwidth, accuracy and high gain. The performance of the array is tested and evaluated in shallow sea and deep sea respectively, and compared with the traditional vertical array. (C) 2020 Elsevier Ltd. All rights reserved.
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页数：7
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