| 相对压力系数实验直线拟合的结果分析 |
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| 引用本文： | 冯云光,郑曙东,常缨,朱鹤年.相对压力系数实验直线拟合的结果分析[J].大学物理,2009,28(8). |
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| 作者姓名： | 冯云光 郑曙东 常缨 朱鹤年 |
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| 作者单位： | 1. 清华大学,物理系,北京,100084;铜仁学院,物理系,贵州,铜仁,554300
2. 清华大学,物理系,北京,100084 |
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| 摘 要： | 评价直线拟合质量宜用A类不确定度,拟合线段外推会使不确定度增大.
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| 关 键 词： | 相对压力系数 直线拟合 标准偏差 |
Analysis for linear fitting results in the experiment of relative pressure coefficient |
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| FENG Yun-guang,ZHENG Shu-dong,CHANG Ying,ZHU He-nian.Analysis for linear fitting results in the experiment of relative pressure coefficient[J].College Physics,2009,28(8). |
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| Authors: | FENG Yun-guang ZHENG Shu-dong CHANG Ying ZHU He-nian |
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| Institution: | 1;2;1;3;1.Department of Physics;Tsinghua University;Beijing 100084;China;2.Department of Physics;Tongren University;Tongren;Guizhou 554300;3.Department of Basic Research;Qinghai University;Xining;Qinghai 810016;China |
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| Abstract: | The type-A evaluation of measurement uncertainty should be to evaluate the quality of linear fitting results.The uncertainty will increase when the fitting equation is applied outside measuring line segment. |
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| Keywords: | relative pressure coefficient linear fitting standard deviation |
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