本文提出了一种建立空间列表曲线的数学模型的方法——空间三次参数样条曲线法。
This paper proposes a method to build the mathematical model of special spline curve.
根据三次参数样条曲线的矢量表示方法，导出了一种CNC系统中样条曲线的实时插补算法。
Based on the vector equation, a real time interpolation algorithm for the cubic parametric spline curve in CNC systems is proposed.
通过对几种常用的CAD造型方法的比较，对常用而复杂的喷管离散点型轮廓段的拟合插值采用三次参数样条曲线来完成。
After comparing several common CAD modeling methods, the cubic parameter-spline curve is used to approach and interpolate discrete contour of usual and complicated rocket jet.
根据风力机叶片设计的实际过程，在三次参数样条曲线拟合叶片翼型曲线的基础上，提出了一种在计算机上能立体显示叶片截面及其结构的程序设计方法。
On the basis of blade airfoil curve fitted with triple spline function and the practical process, a kind of program design method is offered to display the section of WECS blades and its structure.
这里三次样条函数中参数几何意义是沿曲线路径单调增长的距离。
The geometric meaning of the parameter is the mono increasing distance along the curve path.
采用累加弦长三次样条参数曲线，先求出离散点处两个方向的切矢，进而求解出该离散点的法矢。
This paper presented the solution of normal vector by using the method of the accumulative hypotenuse trispline curve.
样条曲线曲面是在计算机图形学中应用最广泛的参数曲线曲面类型。
B-Spline curves and curve surfaces are the most commonly used parametric curves and surfaces in Computer Graphics.
本文讨论了用非参数模型对儿童生长曲线进行拟合，给出了两种非参数曲线拟合方法：光滑样条和核估计。
This paper discusses childhood growth curve fitting by nonparametric models, and provides two methods for nonparametric curve fitting: smoothing spline and kernel estimator.
本文推导出计算机绘图中的二次B一样条曲线的参数方程，介绍二次B一样条曲线的性质，并给出在逼近曲线时的特殊处理方法。
This paper infers the parametric equation of the quadric B-spline curve, introduces its character, and gives the special method of process when the curve is approximated.
方案选定后，重新确定样条函数的参数值，通过参数值的变化，准确表达线形中的直线段、圆弧段、缓和曲线段等。
Then selecting parameters again, we can express the alignment's line, arc, transition curves through the variations of parameters.
描述了确定三次样条曲线拟合参数的方法。参数包括节点数、节点位置和与系统误差相联系的权重。
The parameters including knot Numbers, knot positions and the weights associated with the systematic errors in the cubic spline curve fitting method were discussed.
参数活动轮廓模型采用点集或B -样条曲线来表示模型的轮廓线，具有运算效率高的特点。
Parametric active contours represent their contours by the point sets or B-splines, and they have the efficient performance on image segmentation.
文中所附算例表明非均匀自然路径距离参数的三次样条函数的曲线表示是有效可行的。
The examples presented in this paper have proved that the spline functions with parameter of non uniform path distance is a practical...
用累加弦长参数三次样条拟合不规则曲线，使拟合后的曲线光滑圆顺。
This paper describes the method that the irregular curve is fitted with accumulated chord length parametric cubic spline.
用累加弦长参数三次样条拟合不规则曲线，使拟合后的曲线光滑圆顺。
This paper describes the method that the irregular curve is fitted with accumulated chord length parametric cubic spline.
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