分布式光纤测温系统的实时校准 |
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引用本文: | 景霞,刘爱莲,黄俊,肖范,赵振刚,李英娜,李川. 分布式光纤测温系统的实时校准[J]. 化工自动化及仪表, 2016, 0(6): 596-598. DOI: 10.3969/j.issn.1000-3932.2016.06.008 |
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作者姓名: | 景霞 刘爱莲 黄俊 肖范 赵振刚 李英娜 李川 |
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作者单位: | 昆明理工大学信息工程与自动化学院,昆明,650500 |
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基金项目: | 国家自然科学基金项目(51567013),中国博士后科学基金面上项目(一等资助)(2014M552552XB),昆明理工大学人才培养基金项目(KKSY201303044) |
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摘 要: | 为消除温度标定系数变化而造成的测温误差,提出一种实时校准型分布式光纤测温系统。给出测温原理、系统结构和解调流程。测温实验结果表明:实时校准技术能够消除温度标定系数变化而引起的测量误差,保证系统温度解调的准确性,系统测温精度可达±0.05℃。
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关 键 词: | 分布式光纤测温系统 实时校准 标定系数 解调 |
Real-time Calibration of Distributed Temperature Sensing System |
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Abstract: | In order to eradicate the optoelectronic device’ s measurement error caused by the variation of tem-perature calibration coefficient, the temperature sensing system’ s working principle and structure and demodu-lation process were presented. The experimental results show that the real-time calibration technology can erad-icate the above-said measurement error and can ensure the accuracy in temperature demodulation. The sensing system’s accuracy can reach ± 0. 05℃. |
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Keywords: | distributed fiber temperature measurement system real-rime calibration calibration coefficient demodulation |
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