[1]王燕,方尔正.激光通量变化法探测水下声信号[J].南京理工大学学报(自然科学版),2009,(01):69-73.
　WANG Yan,FANG Er-zheng.Underwater Acoustic Detection Utilizing Laser Luminous Flux Variation Method[J].Journal of Nanjing University of Science and Technology,2009,(01):69-73.
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激光通量变化法探测水下声信号
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《南京理工大学学报》（自然科学版）[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
2009年01期
页码:
69-73
栏目:
出版日期:
2009-02-28

文章信息/Info

Title:
Underwater Acoustic Detection Utilizing Laser Luminous Flux Variation Method
作者:
王燕;方尔正;
哈尔滨工程大学水声技术国防科技重点实验室, 黑龙江哈尔滨150001
Author(s):
WANG Yan; FANG Er-zheng
National Laboratory of Underwater Acoustic Technology,Harbin Engineering University,Harbin 150001,China
关键词:
激光探测;  光通量变化;  水下声信号;  光瞳;  单点激光测量
Keywords:
laser detection;  luminous flux variations;  underwater acoustic signals;  pupils;  single-point laser measurement
分类号:
TN249
摘要:
该文将表面波理论与水声理论相结合,分析了水面微振动的物理过程及其表象的水声理论实质,提出了利用激光通量变化测量水表面质点振动位移的方法,设计了一个单点激光测量系统对此方法进行了实验验证。结果表明,激光通量变化法可有效探测水下声信号,同时对水面平整度的影响较宽容。
Abstract:
The surface wave theory and the underwater acoustic theory are combined here.The physical process of water surface micro vibration and the acoustic theory in real terms of appearance are analyzed.A laser luminous flux variation method for measuring particle vibration offset of the water surface is proposed.A single-point laser measurement system is designed and an experiment is done to validate the method.The result indicates that the method can detect the underwater sound signals effectively and is tolerable to water surface level degree.

参考文献/References:

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备注/Memo

备注/Memo:
基金项目: 国家自然科学基金( 40827003); 重点实验室基金( 9140C2005050804)
作者简介: 王燕( 1973- ), 女, 博士, 副教授, 主要研究方向: 水声信号处理、水下导航定位、水下目标探测, E-ma il:w angy an@ hrbeu. edu. cn。
更新日期/Last Update: 2012-11-19