查询词典 spline function

Secondly, an adaptive real-time interpolation algorithm for B-spline curves is proposed combined with the chord error control and the largest centripetal acceleration control based on the differential geometry and the properties of B-spline curves.

其次，根据B样条曲线的特性以及微分几何原理，实现了一种带弦高误差控制和法向最大加速度控制的进给步长自适应B样条曲线实时插补算法。

We present two methods for generating a segment of circular arc by the vector valued continued fractions. Based on this method we construct a parametric rational arc spline that is GC〓 continuity. By adjusting the given tangent vector, this parametric rational arc spline also has convexity preserving property and monotonicity preserving property.

本文利用向量连分式给出了两种快速生成圆弧的新方法；在此基础上，本文还构造了一种GC〓连续的可调参数有理圆弧样条，在实际操作中，通过调整一侧端点的切向量，可使上述圆弧样条曲线保凸，保单调。

Based on the method of numerical simulation, the diameter of steel billet, entrance half angle of concave die and the dimension of spline were analyzed for the forming force on the spline processing with the help of a rigid-plasticity finite element software Deform 3D.

借助刚塑性有限元软件Deform-3D，采用数值模拟的方法分析了矩形花键轴冷挤压过程中，坯料直径、凹模入模半角及键齿尺寸对花键成形力的影响。

This paper adopts the method of double cubic B-Spline curved surface modeling based on cubic B-Spline curve,and comes out its matrix expression.

自由曲面的数据一般是由各截面型线给出的，数据用离散点组成的列表数据表示，给定型值点的自由曲面型

In this model, a cubic B-spline curve segment is used as one element, and the FEM is adopted to find the B-spline active contour which minimize its energy.

该模型以三次B样条曲线段作为有限单元，运用有限元法对B样条主动轮廓的能量泛函极值问题进行求解，从而实现对图像的轮廓提取。

A new curvature-based algorithm in free-form curve fitting was proposed to fit a 2D NURBS profile with an arc spline ,where a new form of curvature formula with matrix representation was also proposed,and then the arc spline tool path with G~(1) continuity was generated.

给出了一种平面曲线轮廓的圆弧样条拟合及刀具路径生成算法，该算法面向零件轮廓的光顺性刀具路径生成，通过应用曲线的曲率关系，对以NURBS表示的被拟合自由曲线按参数递增的方向用G1连续的圆弧或直线段逐段拟合，并生成相应的圆弧样条刀具路径，从而实现零件曲线轮廓表面的光顺加工。

A method of construct a quadratic uniform B-spline curve through data points is given.If the relative curvature of a certain curve on the first control point and the direction angle of the first port's tangent vector is given,here can get the whole curve by using the character of the port of quadratic uniform B-spline curve.

提出了一种二次均匀B样条插值曲线的构造方法，首先给定某一段曲线首点的相对曲率和该段曲线的首端切矢量的方向角，利用二次均匀B样条曲线的端点性质，求出其余各段曲线控制顶点，来生成整条插值曲线。

Stub Pitch is a number used to denote the radial distance from the pitch circle to the major circle of the external spline and from the pitch circle to the minor circleof the internal spline.

残余径节：残余径节是一个数，它用于表示节圆与外花键的大圆或内花键的小圆之间的半径差。

In this paper the spline regressive analysis is used for the information processing of multi-gases sensor signals with the electronic nose system. The authors have established a spline regressive model of the freshness degree of beef based on the beef sample, and have done regressive analysis to the model, which has given the forecast value and the estimative interval of the degree of the freshness of the beef.

将样条回归分析方法用於电子鼻系统中多气体感测器信号的资讯处理，针对牛肉样本建立了牛肉新鲜度样条回归模型，并对该模型进行了回归分析给出了牛肉新鲜预报值和估计区间。

The results of calculation indicate, utilizing the spline finte point method to carry on the analysis of the intellectual structure, the model is simple, the physics relation is very clear. Comparing with the finite element model, the spline finite point method has greater superiority.

计算结果表明，利用样条有限点法进行智能结构的分析，计算模型简单，物理关系明确，与有限元法相关的计算模型相比，具有较大的优越性，实用价值高。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。