| 基于匹配滤波解调的光纤光栅振动传感器研究 |
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| 引用本文： | 张东生,郭丹,罗裴,姜德生.基于匹配滤波解调的光纤光栅振动传感器研究[J].传感技术学报,2007,20(2):311-313. |
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| 作者姓名： | 张东生 郭丹 罗裴 姜德生 |
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| 作者单位： | 武汉理工大学光纤传感技术与信息处理教育部重点实验室,武汉,430070 |
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| 基金项目： | 国家自然科学基金，武汉理工大学校科研和教改项目，湖北省科技攻关项目 |
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| 摘 要： | 采用双悬臂梁结构,研制了基于匹配滤波解调的光纤光栅振动传感器,可通过悬臂梁对匹配光栅静态工作点进行精确调整.该传感器集振动传感和动态波长解调于一体,并具有温度补偿功能.对传感器的工作原理进行了理论分析,通过与压电式加速度传感器进行的比较实验,得到了一致的实验测量结果.
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| 关 键 词： | 光纤光栅 振动传感器 匹配滤波 解调 |
| 文章编号： | 1004-1699（2007）02-0311-03 |
| 收稿时间： | 2006-03-22 |
| 修稿时间： | 2006-05-29 |
Researches on fiber grating vibration sensor based on matching filtering demodulation |
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| Zhang Dong-sheng,Guo Dan,Luo Pei,Jiang De-sheng.Researches on fiber grating vibration sensor based on matching filtering demodulation[J].Journal of Transduction Technology,2007,20(2):311-313. |
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| Authors: | Zhang Dong-sheng Guo Dan Luo Pei Jiang De-sheng |
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| Affiliation: | Wuhan University of Technology Key Lab of Fiber Optic Sensing Technology and Information Processing,Ministryof Education,Wuhan 430070,China |
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| Abstract: | Using double-cantilever beam structure, the authors fabricate a FBG vibration sensor based on matching filtering demodulation. The quiescent operation point of the matched gratings can be accurately adjusted by the tunable cantilever beams. This sensor with the function of temperature compensation combines vibration sensing and dynamic wavelength demodulation. The operation principle of the sensor is analyzed, the experiment is performed and the measure results are identical with those of piezoelectric acceleration sensor in comparison. |
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| Keywords: | fiber Bragg grating vibration sensor matching filter demodulation |
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