| 数字式干涉型光纤传感器进行条纹细分的研究 |
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| 引用本文： | 曹家年,李绪友,张立昆,包建新,王琥. 数字式干涉型光纤传感器进行条纹细分的研究[J]. 哈尔滨工程大学学报, 1999, 20(5): 83-89 |
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| 作者姓名： | 曹家年 李绪友 张立昆 包建新 王琥 |
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| 作者单位： | 哈尔滨工程大学光纤技术研究所 黑龙江哈尔滨 150001 |
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| 摘 要： | 为了提高系统抗干扰能力和实现远距离信号检测，提出了一种与许多文献介绍所不贩的新数字式干涉型光纤传感器系统的构成方案并有针对性地对正弦性，正交性，等幅性和零电平漂移问题进行了分析和实验，证明了把成就的莫尔光栅检测及细分技术应用于 这种干涉型光纤传感器可行的。
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| 关 键 词： | 数字式光纤干涉仪 条纹计数 细分技术 相位调制 |
| 文章编号： | 1006-7043(1999)05-0083-07 |
| 修稿时间： | 1999-04-19 |
Research on Digital Interferometric Fiber Optic Sensors Using Moire Grating Sub-division Technique |
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| CAO Jia_nian,LI Xu_you,ZHANG Li_kun,BAO Jian_xin,WANG Hu. Research on Digital Interferometric Fiber Optic Sensors Using Moire Grating Sub-division Technique[J]. Journal of Harbin Engineering University, 1999, 20(5): 83-89 |
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| Authors: | CAO Jia_nian LI Xu_you ZHANG Li_kun BAO Jian_xin WANG Hu |
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| Abstract: | In order to increase the ability of the system to be free from interference and be able to detect faraway signals,we propose a new scheme of digital interferometric fiber optic sensor system (FOSS),which is different from other related papers.And some analyses and experiments on such problems as sine performance,orthogonality and naught level shifts of the interested signals are made.Consequently,we demonstrate that it is feasible to apply this moire detection and sub_division technique to the interferometric FOSS. |
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| Keywords: | digital fiber optic interferometer fringe count sub_division technique phase modulation |
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