| 频域与时域三点法测量直线度误差比较分析 |
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| 引用本文： | 孙宝寿,张玉.频域与时域三点法测量直线度误差比较分析[J].宇航计测技术,1995,15(6):1-5. |
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| 作者姓名： | 孙宝寿 张玉 |
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| 作者单位： | 华东冶金学院，东北大学 |
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| 摘 要： | 在研究了频域三点法误差分离技术（ＥＳＴ）测量直线度误差的基础上，进一步研究了时域三点法ＥＳＴ，得出了时域三点法ＥＳＴ测量直线度误差递推矩阵方程，并进行了仿真计算，分析比较了两种方法的可靠性。
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| 关 键 词： | 三点法 误差分离 频域 时域 直线度误差 |
Compartive analysis of measuring straightness error withthree point method in frequency-domain and time-domain |
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| Sun Baoshou, Zhang Yu.Compartive analysis of measuring straightness error withthree point method in frequency-domain and time-domain[J].Journal of Astronautic Metrology and Measurement,1995,15(6):1-5. |
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| Authors: | Sun Baoshou Zhang Yu |
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| Institution: | Sun Baoshou; Zhang Yu |
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| Abstract: | Three point method EST in time-domain is studied on the basis of the research in three point method EST in frequency-domain. The matrix equation of measuring straightness error with three point method EST in time-domain is pre-sented. Computer simulation is made,the reliability of two methods is compared and analyzed. |
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| Keywords: | hree point method Error separtion technique Frequency-domain Time-domain Straightness error |
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