1) Quadratic Bézier Curves
二次Bézier曲线
1.
Bisection Algorithms for Approximating Quadratic Bézier Curves by G~1 Biarc Splines;
二次Bézier曲线的双圆弧样条插值二分算法
2) quadratic Bézier spline curves
二次Bézier样条曲线
3) quadric rational Bézier curve
二次有理Bézier曲线
1.
An efficient extending algorithm for quadric rational Bézier curve
一种二次有理Bézier曲线延拓的有效算法
2.
A sufficient and essential condition,which the quadric C-curve and the quadric rational Bézier curve represent a same quadric curve,is obtained if the control points of the quadric C-curve are the same as the ones of the quadric rational Bézier curve.
给出具有相同控制顶点的二次C-曲线与二次有理Bézier曲线表示同一参数曲线段的充要条件,由此得到了二次C-曲线不能精确表示双曲线段的结论;另外,还给出了二次C-曲线在任意一点的细分公式。
4) quadratic trigonometric Bézier curve(QT-Bézier curve)
二次三角Bézier曲线
5) cubic Bézier curve
三次Bézier曲线
1.
Class of cubic Bézier curve with two phape parameters;
一类带两个形状参数的三次Bézier曲线
2.
The curve inherits the most properties of cubic Bézier curve and the shape of Q-Bézier curve can be adjusted by alerting the two shape parameters when the control polygon is maintained.
Q-Bézier曲线不仅具有三次Bézier曲线的特征,而且在控制多边形保持不变的条件下,具有形状可调性和对控制多边形更好的逼近性。
3.
Firstly, a quintic PH-spline curve is used to approximate a cubic Bézier curve within a bound.
研究用C1连续的五次Pythagorean-Hodograph样条曲线逼近一给定的三次Bézier曲线,证明了这种逼近算法在常用误差测度下的收敛性。
6) cubic Bézier curves
三次Bézier曲线
1.
In CNC,it is often required to approximate cubic Bézier curves by arc splines with few arc segments as possible.
在数控加工领域,通常需要用尽量少段数的圆弧样条来逼近三次Bézier曲线。
补充资料:Lamé曲线
Lamé曲线
Lame curve
I月.成曲线11月I说。.、e;几翻妞e哪恤皿l 一类平面代数曲线,在DeS口吐巴直角坐标系中它的方程具有下列形式: [、1’.f,1’_, l二二一I+l二l‘1. [“」Lb」其中m=p/q,p和q是两个互素数,。>O,b>0.如果m>O,则肠耐曲线的次数是Pq,如果,<0,则是Zpq.如果爪=1,则1刁n说曲线是一条直线,如果m=2,则是椭圆,如果m=2/3,而a二b,则是星形线(咫位。id).助赚曲线因G.U而而得名,他于1818年研究过这种曲线.
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条