文章详细信息 关键词： 酚醛树脂;n级模型;自催化模型;分段拟合 [gap=913]Keywords: phenol formaldehyde resin;n-order model;autocatalytic model;piecewise fitting
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piecewise linear fitting 分段线性拟合
Piecewise polynomial fitting 分段多项式拟合
piecewise curve-fitting method 分段曲线拟合法
piecewise linear fitting method 分段线性拟合法
The algorithm is polynomial curve fitting based on least square approximation. The experimental result shows its performance is more effect than that of the piecewise linear algorithm.
该算法是在最小二乘意义上的多项式曲线拟合，实验结果表明，其校正效果明显优于分段线性校正算法。
Also, the fitting formula of piecewise parabola interpolation is derived. The error evaluation based on ISO is accomplished for both experiential formula and parabola fitting formula.
导出了分段抛物线插值拟合公式，并对经验公式和抛物线拟合公式均以iso为基准进行了误差评估。
Aim To determine the measured profile of a wheel in railway vehicle. Methods So - called piecewise curve-fitting method of the third derivative continuity is employed.
目的拟合列车车轮踏面的实恻轮廓曲线，方法采用三阶导数连续的分段曲线拟合法。
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