| 用于Sagnac干涉仪的PGC解调电路研制 |
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| 引用本文： | 吴斌, 蔡栋生, 何存富, 杭利军. 用于Sagnac干涉仪的PGC解调电路研制[J]. 北京工业大学学报, 2008, 34(10): 1015-1020. |
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| 作者姓名： | 吴斌 蔡栋生 何存富 杭利军 |
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| 作者单位： | 1.北京工业大学 机械工程与应用电子技术学院, 北京 100022 |
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| 基金项目： | 国家自然科学基金项目(10572009)． |
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| 摘 要： | 论述了相位生成载波PGC解调技术的算法,并将基于PGC解调技术的硬件系统应用于Sagnac干涉型管道泄漏定位系统中,解调出干涉信号相位.实验结果表明:该解调系统能从干涉信号中有效地解调出泄漏信号,并实现管道泄漏点的准确定位.
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| 关 键 词： | 光纤光学 光纤传感器 Sagnac干涉仪 解调器 |
| 收稿时间： | 2007-05-08 |
Design of PGC Demodulation Circuit Using for Sagnac Interferometer |
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| WU Bin, CAI Dong-sheng, HE Cun-fu, HANG Li-jun. Design of PGC Demodulation Circuit Using for Sagnac Interferometer[J]. Journal of Beijing University of Technology, 2008, 34(10): 1015-1020. |
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| Authors: | WU Bin CAI Dong-sheng HE Cun-fu HANG Li-jun |
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| Affiliation: | 1.College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China |
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| Abstract: | In this article,PC,C arithmetic at length was discussed and then the hardware system basing on PGC technology was designed.The system has been applied for a new pipeline leakage detection system based on Sagnac interferometer to demodulate interference signal phase.It is proved that the circuit can demodulate leakage signal effectively,and leaking point is located accurately. |
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| Keywords: | optics optical sensor sagnac interferometer demodulator |
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