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h-样条
相关语句
  h-spline
     This paper develops the method of cubic H-Spline for curve and surface design,it is a generalization of reference [3].
     本文发展的用于曲线与曲面设计的三次H-样条曲线的方法,是文献[3]的推广。
短句来源
     The Application of Parametric Cubic H-Spline to Curve Design and Approximation
     参数三次H-样条在曲线拟合中的应用
短句来源
     The Constructional Method of a Class of the Controlling Convex Cubic H-Spline Curve and Surface
     一类可控制的保凸三次H-样条曲线和曲面的构造法
短句来源
     A Class of Cubic Parametric H-Spline Curves Used in the Design of Aircraft
     介绍一类参数三次H-样条曲线在飞机外形设计上的应用
短句来源
     The class of curves and surfaces are implemented with computers. The results show that the rational H-spline method has the advantages of convenience in local modification and easiness in shape control. The method can makes the result satisfactory.
     结果表明,采用有理H-样条方法设计曲线曲面,便于局部修改,形状容易控制,能使造型达到满意效果。
短句来源
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  “h-样条”译为未确定词的双语例句
     A rational parametric planar cubic H spline curve is defined by a set of control vertices in a plane and percentage factors of line segments between every two control vertices.
     一条有理参数三次 H-样条曲线是由一组控制顶点和两顶点连线上的百分比参数所确定。
短句来源
     We analyze the geometric features like cusps and inflection points in the curve and calculate the cusps and inflection points, then give a necessary and sufficient condition to the inflection points in the curve when it is non degenerative, and finally show that the curves have no cusps in the interval (0,1).
     本文是在文 [1 ]基础上的继续和发展 ,主要对有理 H-样条曲线的形状进行分析 ,讨论其诸如拐点和奇点的几何特征 ,给出有理参数平面三次 H-样条曲线在非退化情况下有拐点的充要条件 ,并证明在区间 ( 0 ,1 )内曲线段无奇点的结论。
短句来源
  相似匹配句对
     Spline Wavelets
     样条小波
短句来源
     L spline function
     L样条函数
短句来源
     P-nary Subdivision for B-splines
     B样条的p-nary细分
短句来源
     The Construction of B-spline Wavelets
     B-样条小波的构造
短句来源
     Hermite-Λ Interpolating Splines
     Hermite—A插值样条
短句来源
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As one of the explicit calculation methods, the piecewise spline interpolation method removes the need to solve linear equations. This method is a synthesis of B-spline and H-spline interpolation, the key to the successful development of which being that the derivatives at interpolation nodes are determined in advance by given model values.

本文建议的分段样条插值法是一种显式算法,迴避了求解线性方程组.这种算法是综合B样条插值法与H样条插值法得出的.形成算法的关键在于,预先用所给型值直接求出插值结点处的导数值.

This paper develops the method of cubic H-Spline for curve and surface design,it is a generalization of reference [3].It is convenient for use and efficient in computation.This paper contains following aspects:(1) Author has constracted the cubic H-Spline curve and surface of a controllable convexity.Its equation is:(2)The discussion of its geometrical properties.(3)The verification of the necessary and sufficient conditions for its convexity.(4)The derivation of the best error estimation.

本文发展的用于曲线与曲面设计的三次H-样条曲线的方法,是文献[3]的推广。它简单易行,计算有效。 本文内容包括: (1)构造了一种可控制的保凸三次H三样条曲线和曲面。其方程由显格式表示: H_i(t)=1/(1+λ)[t~3,t~2,t,1](?) (2)讨论了它的几何特性。 (3)证明了保凸性的充要条件。 (4)得出了最佳的误差估计。

In this paper we introduce a class of cubic parametic H-Spline curve used in the design of aircraft.Its vertices are adjustable as B-Spline curve, and a controllable parameter may be used in the design of aircraft. Segments of conic and straight line may be set in it. These characteristics are excellent for design and modification.We have drawn some external forms of aircrafts by this method, the result is good.This method may be used in the design of other products.

本文构造了适用于飞机外形设计的一类三次H—样条曲线。 除象B—样条曲线一样可控制顶点外,还有一个控制参数可以用于飞机外形设计,它可以在曲线的某些段嵌入直线段和二次曲线段,这些特征给外形设计和修改提供了方便。利用本文所介绍的方法,绘制了一些飞机外形图,得到了满意的结果。该方法同样适用于民品外形设计。

 
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