| 数字信号源频率校准及测量不确定度评定研究 |
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| 引用本文： | 盛党红,薛跃.数字信号源频率校准及测量不确定度评定研究[J].工业工程,2007,10(2):118-120,124. |
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| 作者姓名： | 盛党红 薛跃 |
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| 作者单位： | 1. 南京理工大学,机械工程学院,南京,210094;南京工程学院,南京,210013
2. 南京工业大学,经济管理学院,南京,210009 |
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| 摘 要： | 以广泛应用的数字信号源为研究对象,将传统测量系统分析(MSA)方法与田口方法相结合进行了数字信号源频率测量系统分析和校准公式的推导,并进行具有交互效应场合下的数字信号源频率多变量误差分析和测量不确定度的评定.研究表明,可以通过测量数字信号源的典型值得到校准公式,由此推导出全量程任意点估计值,方便仪器的校准;可以使用正交表和SN比方法相结合分析测量仪器误差及进行测量不确定度评定.
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| 关 键 词： | 田口方法 校准 测量不确定度 数字信号源 |
| 文章编号： | 1007-7375（2007）02-0118-03 |
| 修稿时间： | 2005-11-28 |
Analysis of the Caliberation Formula and Measurment Uncertainty of Frequency of the Digital Signal Generator |
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| SHENG Dang-hong,XUE Yue.Analysis of the Caliberation Formula and Measurment Uncertainty of Frequency of the Digital Signal Generator[J].Industrial Engineering Journal,2007,10(2):118-120,124. |
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| Authors: | SHENG Dang-hong XUE Yue |
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| Affiliation: | 1. School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China; 2. Nanjing Institute of Technology, Nanjing 210013, China; 3. School of Economics and Management, Nanjin University of Technology, Nanjing 210009, China |
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| Abstract: | This paper deals with how to combine the traditional Measurement System Analysis(MSA)with Taguchi method and takes the widely used digital signal generator as the research object.It deduces the calibration formula in the full measurement range by virtue of the typical values of the measured frequency of the digital signal source.Thus the estimated values at any point within the range can be calculated by the formula,which greatly simplify the calibration of non-typical values.The error of multi variables which have mutual effects is analyzed by using the Orthogonal Arrange and SN ratios.The measrement system uncertainty is computed in the end. |
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| Keywords: | Taguchi method caliberation measurement uncertainty of frequency digital signal generator |
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