[1]周彦玲,范军,王斌.水下球体目标散射声场相位特性[J].哈尔滨工程大学学报,2020,41(7):945-950.[doi:10.11990/jheu.201905022]
 ZHOU Yanling,FAN Jun,WANG Bin.Phase characteristics of acoustic-scattering field for underwater spherical targets[J].hebgcdxxb,2020,41(7):945-950.[doi:10.11990/jheu.201905022]
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
41
期数:
2020年7期
页码:
945-950
栏目:
出版日期:
2020-07-05

文章信息/Info

Title:
Phase characteristics of acoustic-scattering field for underwater spherical targets
作者:
周彦玲 范军 王斌
上海交通大学 高新船舶与深海开发装备协同创新中心, 海洋工程国家重点实验室, 上海 200240
Author(s):
ZHOU Yanling FAN Jun WANG Bin
Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
关键词:
声散射有限元球体球壳回波仿真全相位相位特性
分类号:
O427.2;O427.9
DOI:
10.11990/jheu.201905022
文献标志码:
A
摘要:
为了研究水下目标声散射相位特性,本文基于经典Rayleigh简正级数解的解析方法和有限元数值方法对球体目标,如刚性球、弹性球和球壳的散射声场进行计算。结果表明:刚性球在ka > 2π时相位随频率呈现接近线性变化;弹性球在弹性波共振频率处出现相位跳变现象;不同材料、壳厚的球壳相频特性有很大的差异。最后通过单层球壳水池声散射实验,采用全相位法获取了其声散射相位特性,在20~40 kHz频段与理论预报结果相比吻合较好。研究结果为利用水下目标声散射相位信息进行目标识别和主动声隐身提供理论支撑。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-05-07。
基金项目:国家自然科学基金项目(11774229).
作者简介:周彦玲,女,博士研究生;范军,男,教授,博士生导师.
通讯作者:范军,E-mail:fanjun@sjtu.edu.cn.
更新日期/Last Update: 2020-08-15