quadratic function fitting 二次函数拟合
Quadratic Curve Fitting 二次曲线拟合
Quadratic Surface Fitting 曲面拟合 ; 二次曲面拟合
quadratic regression fitting 二次回归拟合
quadratic-multinomial fitting 二次多项式拟合
quadratic curve-fitting model 二次曲线拟合模型
The model was tested with observed data. The results showed that RBF Neural Network conversion accuracy than Quadratic fitting and BP Neural Network.
用实际观测数据对该模型进行了试验，结果表明，用径向基神经网络转换GPS高程精度高于二次拟合法和BP神经网络法。
Some feature in phase diagram drawing is analyzes and modified quadratic fitting method is used to fit the curves. The method is proved to be effective.
本文分析了水盐体系相图中二次曲线拟合的特点，并提出使用修改后的二次拟合方法对相图中曲线进行拟合的方法，在绘制相图中得到了较好的效果。
As an important approach for improvement of productive efficiency and shape design, more and more attention is paid for reverse engineering, fitting of quadratic surface is one of its components.
作为提高生产效率和改善造型设计的重要途径，逆向工程受到越来越多的重视，空间二次曲面拟合是其重要组成部分之一。
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