The author proposes a sectional line fitting to re - place the polynomial curve fitting, which results in simplifying establishment of mathematical model and reducing the amount of calculation work.

作者在最小二乘法的基础上，提出分段直线拟合算法来代替多项式曲线拟合，从而达到简化数学模型的建立和减少计算量的目的。

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The paper suggests an approach, utilizing the weighted polynomial regression for the best fitting of the variogram about spherical model or two-order nested spherical model.

本文提出了一种用加权多项式回归对球状模型和二级套合球状模型的变差函数进行最优拟合的方法。

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For polynomial fitting measuring model of a linear structured light scanning probe, the extraction and compensation methods for systematic errors of the probe are presented.

针对线结构光扫描测头多项式拟合测量模型的系统误差问题，提出了一套用于该测头系统误差提取与补偿的方法。

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