| 测试系统采样精度校正研究 |
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| 引用本文： | 姜立国.测试系统采样精度校正研究[J].陕西师范大学学报,2006(Z2). |
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| 作者姓名： | 姜立国 |
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| 作者单位： | 电子科技大学自动化学院 四川成都61005 |
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| 摘 要： | 介绍了在一个综合测试系统中的AD-DA处理部分,如何通过对AD的校正达到校正整个系统的AD和DA目的.其中主要介绍如何通过硬件电路的反馈以及曲线拟合,即最小二乘法得到需要的拟合曲线.同时针对系统进行了具体工程改进.
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| 关 键 词： | AD-DA 电路反馈 曲线拟合 最小二乘法 |
Study the precision of sampling system |
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| JAING Li-guo.Study the precision of sampling system[J].Journal of Shaanxi Normal University: Nat Sci Ed,2006(Z2). |
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| Authors: | JAING Li-guo |
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| Abstract: | Introduces a method to regulate both the AD and DA by adjusting AD in a compositive test system.it focuses on how to acquire the expected fitting curve by feedback of hardware circuits and least square method.Moreover,practical project improvemented aimed at the system is implemented. |
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| Keywords: | AD and DA feedback of hardware fitting curve least square method |
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