描述了一种与给定多边形相切的有理样条曲线的算法。
An algorithm for constructing rational spline closed curve which is tangent to the given polygon is described.
提出了一种新的基于有理二次样条曲线的图像放大方法。
In this paper, a new method which based on the curves of rational quadratic splines was presented to enlarge images.
提出一种有理三次样条曲线描述公路线形。
A rational cubic spline curve to describe highway alignment is introduced.
人们通常用有理三次曲线样条来构造整体曲率连续的曲线。
As for curvature continuity curves, they are usually constructed by means of rational cubic curves.
提出利用有理二次样条曲线插值整体曲率连续的曲线的一种方法。
A method for interpolating global curvature continuity curves with conic segments is presented in this paper.
给出了具有线性分母的有理三次样条函数的误差估计，并在柱面坐标系下对一类空间闭曲线的插值问题进行了研究；
The error estimation of rational cubic spline with linear denominators is given, and then the interpolation of a kind of space closed curves under cylindrical coordinate system is investigated.
把四次有理插值样条函数的连续性降为C2连续就可以提供额外的自由度，这对于控制曲线的形状具有较大的灵活性。
If we decrease the splines continuity to C2 continuous, it can provide additional freedom degree, and this is very useful for shape constraint in curve design.
把四次有理插值样条函数的连续性降为C2连续就可以提供额外的自由度，这对于控制曲线的形状具有较大的灵活性。
If we decrease the splines continuity to C2 continuous, it can provide additional freedom degree, and this is very useful for shape constraint in curve design.
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