| 基于联合熵的几何产品测量不确定度评定方法研究 |
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| 引用本文： | 周洪彪,孙永厚,黄美发.基于联合熵的几何产品测量不确定度评定方法研究[J].电子测试,2008(3):10-13,33. |
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| 作者姓名： | 周洪彪 孙永厚 黄美发 |
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| 作者单位： | 桂林电子科技大学机电工程学院,桂林,541004 |
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| 基金项目： | 广西自然科学基金，广西教育厅科研项目，广西高校百名中青年学科带头人项目 |
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| 摘 要： | 针对几何产品由多个随机变量合成测量不确定度的评定问题,本文提出了一种基于联合熵的测量不确定度评定方法,该方法利用了信息熵的可加性原理,将多个随机变量的信息熵相结合,建立了基于联合熵的评定数学模型,再进行总体测量不确定度的评定.最后,通过弓高弦长法测量机床主轴直径的应用实例,来说明本文方法的准确性和实用性.
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| 关 键 词： | 几何产品 测量不确定度 联合熵 |
Research of joint entropy in measurement uncertainty evaluation method |
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| Zhou Hongbiao,Sun Yonghou,Huang Meifa.Research of joint entropy in measurement uncertainty evaluation method[J].Electronic Test,2008(3):10-13,33. |
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| Authors: | Zhou Hongbiao Sun Yonghou Huang Meifa |
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| Affiliation: | Zhou Hongbiao,Sun Yonghou,Huang Meifa(School of Mechanical , Electrical Engineering,Guilin University of Electronic Technology,Guilin 541004,China) |
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| Abstract: | The evaluation problem of geometric product synthetic measurement uncertainty that cause with a number of random variables.A measurement uncertainty evaluation method based on the joint entropy is proposed,this method used to additional principle of entropy,combination with a number of random variables information Entropy mathematical model is establishment based on the joint entropy,synthetic measurement uncertainty is evaluation.Finally,the application examples of measurement machine spindle diameter by t... |
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| Keywords: | geometric product measurement uncertainty joint entropy |
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