quintic curve

英

美

五次曲线

The discrete points on the boundary curve are interpolated by quintic B-spline. With the spline curve, the curvature and torsion of every point are calculated and the geometric property is also analyzed.
然后对碎片的边界轮廓离散点进行五次B样条插值，同时计算轮廓曲线上各个点的曲率、挠率和法矢，并据此分析3维碎片轮廓曲线的几何特性；
Finally, we present a kind of quintic curve whose non-isolated component can constitute the homoclinic cycle of the quadratic systems.
第四部分给出一类五次代数曲线，该曲线的非孤立闭分支能构成二次系统的同宿环。
The result of practical calculation proves that this method is available, which can be used to design the quintic CVC curve for the need of practical application to not only control center buckle and edge buckle, but also control quarter buckle.
实际计算结果表明，该法能够设计出符合实际要求的五次CVC辊型曲线，不仅可以控制边浪和中浪，而且对四分浪也具有一定的控制能力。
The conditions of one family of planar quintic polynomial differential system which ( possesses) a quintic algebraic invariant curve are presented.
给出一平面五次多项式微分系统存在五次代数不变曲线的条件。
Constructing offset to cubic B-spline curve by quintic Pythagorean-Hodograph spline curve
用五次Pythagorean-Hodograph样条曲线构造三次B样条曲线等距线