pitch and eccentricity errors螺距及偏心误差 eccentricity error偏心误差(包括基圆,齿顶圆等偏心误差) total error of division分度总误差(指齿轮上所有齿分度的总误差) ..
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An eccentricity error mathematic model was built up based on the measurement principle of the optical angular encoder and error analysis.
通过对光栅角编码器测角原理和偏心误差产生原因的分析，建立了偏心误差模型。
With a collimator and a 23 polyhedron as measuring datum, a set of optical angular encoder measuring data, which containing the eccentricity error, was obtained.
以平行光管和23面棱体为基准，得到存在偏心误差的一组光栅角编码器测量数据。
The error of measurement of heat conductivity caused by eccentricity is estimated.
分别计算了测定导热系数时因偏心造成的误差。
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