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spline相关的网络例句

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与 spline 相关的网络例句 [注:此内容来源于网络,仅供参考]

The basic idea is as follows: first, a kind of plane α-B-spline interpolation curve with a shape control parameter a is constructed; then, by converting the first derivatives of the curve into Bernstein polynomial, the positive conditions of Bernstein polynomial can be used to get the necessary and sufficie nt conditions for the monotonicity of α-B-spline interpolation curves, i.e., the range of the parameter a. Therefore, monotone-preserving interpolating curves can be obtained succinctly.

其基本思想是:首先构造带有形状可调参数的一类平面(-B样条插值曲线,再把其一阶导矢的两个分量分别转化为Bernstein多项式,从而利用Bernstein多项式的正性条件,得到此曲线为单调的充要条件,即形状参数的取值范围,简单、快捷地实现此参数样条曲线的保单调插值。

In this paper, based on variational principle and bilinear coordinate transformation, a spline Kantorovich method using cubic B-spline function is presented to obtain an approximate solution for the free vibration problem of arbitrary quadrilateral plates with various boundary conditions.

本文从变分原理和双线性坐标变换出发,采用基于三次B样条的康托洛维奇法得到了带有各种边界条件任意四边形板自由振动的近似解答。

If the profile curve has been denoted by a nonuniform rational quadratic B-spline curve, it is very convenient to represent the surface of revolution as a nonuniform rational biquadratic B-spline surface.

只要轮廓曲线用非均匀有理二次B样条曲线来表示,就可相当方便地把旋转曲面表示成非均匀有理双二次B样条曲面。

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。

In terms of the positivity, compact support and normalization of B-spline basic function, the adjustment of the weights are accomplished locally and the output is simple. The results of the experiments show that the structure of the B-spline neurofuzzy-networks is clear and the training is more speedily than that of BP network.

在对刀具磨损状态进行监测过程中可以看出,B样条模糊神经网络内部的连接结构透明,可以很方便的根据实际需要调节网络结构,进行网络的优化来得到更加理想的诊断结果,同时证明了B样条模糊神经网络的训练速度优于BP网络。

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。

With thw cubic B spline function treated as displacements, the spline element stiffness matrix is established based on the principle of minimum potential energy.

用3次B样条函数来构造结构的位移模式,基于最小势能原理导出了桥梁结构的样条单元刚度矩阵。

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