| 喇曼型分布式光纤温度传感器温度分辨率的理论分析 |
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| 引用本文： | 宋牟平,汤伟中,周文.喇曼型分布式光纤温度传感器温度分辨率的理论分析[J].仪器仪表学报,1998,19(5):485-488,507. |
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| 作者姓名： | 宋牟平 汤伟中 周文 |
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| 作者单位： | 浙江大学信息与电子工程学系,杭州,310027 |
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| 摘 要： | 本文对喇曼型分布式光纤温度传感器的温度分辨率提出一个理论分析方法，得出理论计算式，并具体分析了单模光纤传感系统和实际分布式光纤温度传感器。
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| 关 键 词： | 分布式 光纤传感器 喇曼散射 温度分辨率 传感器 |
Theoretic Analysis for the Temperature Resolution of Distributed Optical-fiber Temperature Sensor Based on Raman Scattering |
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| Song Muping,Tang Weizhong,Zhou Wen.Theoretic Analysis for the Temperature Resolution of Distributed Optical-fiber Temperature Sensor Based on Raman Scattering[J].Chinese Journal of Scientific Instrument,1998,19(5):485-488,507. |
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| Authors: | Song Muping Tang Weizhong Zhou Wen |
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| Affiliation: | Information and Electronic Engineering Department Zhejiang University Hangzhou 310027 |
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| Abstract: | In this paper,through studying the temperature resolution of distributed optical fiber temperature sensor based on raman backscattering,we put forward a new theoretic analysis and get a calculation formula of the temperature resolution,which is derectly determined by the S/N ratio of the received backscattering anti Stokes light power.Using it,we analysized ideal single mode fiber system and put up with some methods for improving the temperature resolution.At last,we analysized our actual distributed optical fiber sensor,and the result is valueable to the actual sensor designing. |
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| Keywords: | Distributed optical fiber sensor Raman scattering Temperature resolution |
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