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An Improving Demodulation of Interferometric Fiber Optic Sensor Technology

被引：0
|
作者：
Gao Li [1 ]
Li Yong [2 ]
Chu Zhaorui [2 ]
Wu Ming [3 ]
Lin Nan [2 ]
机构：
[1] HuaiNan Union Univ, Huainan 232038, Peoples R China
[2] Hefei Univ Technol, Sch Instrument Sci & Opto Elect Engn, Hefei 230009, Peoples R China
[3] China Elect Technol Grp Corp, Res Inst 8, Huainam 232001, Peoples R China
来源：
SIXTH INTERNATIONAL SYMPOSIUM ON PRECISION MECHANICAL MEASUREMENTS | 2013年 / 8916卷
关键词：
Interferometric Fiber Optic Sensor; Demodulation; Phase Carrier; Locating;
D O I：
10.1117/12.2035911
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Commonly used in Interferometric fiber optic sensor signal demodulating methods: passive homodyne method, phase tracking method, heterodyne method and the heterodyne method and so on. Based on the principle of phase generated carrier demodulation techniques for error analysis, Research proposed an improved carrier phase demodulation method and established a complete relatively interferometric fiber-optic sensing system. Experiments demonstrated that it improved amplitude-frequency characteristics of the original system, and obtained higher detection sensitivity.
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页数：7
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