[1]杨德森,孙心毅,洪连进,等.基于矢量水听器的振速梯度水听器[J].哈尔滨工程大学学报,2013,(01):7-14.[doi:10.3969/j.issn.1006-7043.201209046]
 YANG Desen,SUN Xinyi,HONG Lianjin,et al.The velocity gradient sensor based on the vector hydrophone[J].hebgcdxxb,2013,(01):7-14.[doi:10.3969/j.issn.1006-7043.201209046]
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基于矢量水听器的振速梯度水听器(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2013年01期
页码:
7-14
栏目:
出版日期:
2013-01-25

文章信息/Info

Title:
The velocity gradient sensor based on the vector hydrophone
文章编号:
1006-7043(2013)01-0007-08
作者:
杨德森孙心毅洪连进周宏坤
哈尔滨工程大学水声技术重点实验室,黑龙江哈尔滨150001
Author(s):
YANG Desen SUN Xinyi HONG Lianjin ZHOU Hongkun
Science and Technology on Underwater Acoustic Laboratory, Harbin Engineering University, Harbin 150001, China
关键词:
振速梯度水听器指向性校准装置矢量水听器
分类号:
TB561.1
DOI:
10.3969/j.issn.1006-7043.201209046
文献标志码:
A
摘要:
针对矢量水听器指向性锐化的问题,设计了一种基于矢量水听器的振速梯度水听器,可以同步测量水中的质点振速和振速梯度.介绍了振速梯度水听器的工作原理,讨论了测量过程中存在的测量误差.制作了一维振速梯度水听器,在校准装置中测量振速通道和振速梯度通道的指向性,振速通道指向性图的-3 dB波束宽度为90°,振速梯度通道具有纵向四极子和横向四极子2种指向性,纵向四极子指向性图的-3 dB波束宽度在65°左右,横向四极子指向性图的-3 dB波束宽度在45°左右.理论与实验证明振速梯度通道的指向性与振速通道的指向性相比波束更为锐化.

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备注/Memo

备注/Memo:
国家自然科学基金资助项目(11074057,11074058)
更新日期/Last Update: 2013-03-19