| 低温传感器测量数据基于MATLAB的处理与分析 |
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| 引用本文： | 尚 宇,兰玉岐. 低温传感器测量数据基于MATLAB的处理与分析[J]. 航天器环境工程, 2010, 27(2): 197-201. DOI: 10.3969/j.issn.1673-1379.2010.02.015 |
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| 作者姓名： | 尚 宇 兰玉岐 |
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| 作者单位： | 1.北京航天试验技术研究所，北京 100074 |
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| 摘 要： | 文章介绍基于MATLAB的低温温度传感器测量数据的处理及分析方法，通过线性最小二乘法和无约束非线性优化法中的拟合模型工具对数据进行拟合，其中包括多项式、双曲线、幂函数、Steinhart-Hart经验公式等拟合模型工具，以低温温度传感器电阻与温度数据的曲线拟合为例，开展了各种模型的曲线拟合比较分析。最后通过剩余标准差和相关系数两项指标评价不同模型的拟合效果。
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| 关 键 词： | MATLAB；低温温度传感器；数据拟合；经验公式 |
| 收稿时间： | 2009-09-03 |
Treatment of measurement data from cryogenic temperature sensor based on MATLAB |
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| Shang Yu and Lan Yuqi. Treatment of measurement data from cryogenic temperature sensor based on MATLAB[J]. Spacecraft Environment Engineering, 2010, 27(2): 197-201. DOI: 10.3969/j.issn.1673-1379.2010.02.015 |
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| Authors: | Shang Yu and Lan Yuqi |
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| Affiliation: | 1.Beijing Institute of Aerospace Testing Technology, Beijing 100074, China2.Beijing Institute of Aerospace Testing Technology, Beijing 100074, China |
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| Abstract: | This paper presents the applications of MATLAB software to the treatment of data from the cryogenic temperature sensor.Linear or non-linear least-square methods are used for curve fitting,including cubic polynomial model,hyperbola model,power function model and Steinhart-Hart equation,which are compared and analyzed by taking the temperature vs resistance curve of the cryogenic temperature sensor as an example.The fitting results of these methods are evaluated by the residual standard deviation and the corr... |
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| Keywords: | MATLAB cryogenic temperature sensor data fitting empirical equation |
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