| 基于拉曼散射的分布式光纤测温系统的分析研究 |
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| 引用本文： | 刘扬,侯思祖.基于拉曼散射的分布式光纤测温系统的分析研究[J].国外电子元器件,2009,17(1):23-25. |
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| 作者姓名： | 刘扬 侯思祖 |
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| 作者单位： | 华北电力大学电子与通信工程系; |
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| 摘 要： | 基于拉曼散射的分布式光纤测温系统利用光纤作为温度的传导介质,测量沿光纤走向的连续空间的温度场分布。通过高速采集卡采集数据,并将数据进行去掉噪声干扰和累加的处理,得到准确的温度数据。这种系统的实用性是可以对光纤沿线的温度数据实时和定点监控。通过对拉曼散射所产生的斯托克斯光/反斯托克斯光与温度关系的研究,确定分布式光纤测温系统的温度测量方法,对所采集的信号利用小波变换进行去噪声和微弱信号的处理。
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| 关 键 词： | 光纤测温 小波去噪 小波分解与重构 拉曼散射 |
Analysis and study of the distributed fiber temperature detecting system based on raman scattering |
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| LIU Yang,HOU Si-zu.Analysis and study of the distributed fiber temperature detecting system based on raman scattering[J].International Electronic Elements,2009,17(1):23-25. |
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| Authors: | LIU Yang HOU Si-zu |
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| Affiliation: | Depetment of Electronics and Communication Engineering;North China Electric Power University;Baoding 071003;China |
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| Abstract: | The distributed fiber temperature detecting system based on raman scattering is utilized fiber as the transmission medium for temperature,which is able to measure the continuing temperature field distribution along the direction of fiber spread.This system can obtain the data via high-speed acquisition card.Its data can be more accurate after accumulating and without noise.This system is quite practicable as it can realize real time and orientation monitor on the whole route of fiber spread to get the entir... |
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| Keywords: | fiber temperature detecting wavelet denoising wavelet decomposition and reconstruction Raman Scattering |
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