本文探讨了主轴回转误差运动中偏心分量的分离问题。
In this paper further study is given to separate the eccentricity from the rotation error of a spindle.
这些方法不能分析非整次谐波，不能区分一次谐波和偏心分量，并且含有较大的非线性误差。
These methods can't be used not only to analyze the non integral order harmonics, but to distinguish the eccentricity and the first harmonic, and contain the lager nonlinear error.
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