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Michelson干涉仪式光纤空气声传感器
王永杰; 李芳; 肖浩; 刘育梁
2009
Source Publication光子学报
Volume38Issue:5Pages:1114-1117
Abstract介绍了一种用于直升机等低空目标探测的光纤空气声传感器.该传感器基于光纤Michelson干涉仪的原理,结合弹性盘片的应力应变理论分析和光纤粘接的工艺设计,采用相位载波解调技术进行信号解调.对比实验测试验证了这种声音探测技术可行性.传感器理论灵敏度为2.38 rad/Pa,实测灵敏度为1.5 rad/Pa,采用PGC相位解调理论最小可探测的最小声信号为6.7 μPa,即9.5 dB.传感器在20~300 Hz范围内响应基本平坦.结合声音传播规律分析并肯定其在实用中的可行性.
metadata_83中国科学院半导体研究所
Subject Area光电子学
Funding Organization中国科学院知识创新工程项目
Indexed ByCSCD
Language中文
CSCD IDCSCD:3587346
Date Available2010-11-23
Citation statistics
Document Type期刊论文
Identifierhttp://ir.semi.ac.cn/handle/172111/15775
Collection中国科学院半导体研究所(2009年前)
Recommended Citation
GB/T 7714
王永杰,李芳,肖浩,等. Michelson干涉仪式光纤空气声传感器[J]. 光子学报,2009,38(5):1114-1117.
APA 王永杰,李芳,肖浩,&刘育梁.(2009).Michelson干涉仪式光纤空气声传感器.光子学报,38(5),1114-1117.
MLA 王永杰,et al."Michelson干涉仪式光纤空气声传感器".光子学报 38.5(2009):1114-1117.
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