查询词典 spline

A new method for constructing circular arc spline based on Mbius transformation is firstly presented in the paper.

本文首先提出了一种基于Mbius变换的圆弧样条曲线构造方法。

Furthermore,some circular arc spline curves which have C~0 or GC~1 continuity are constructed.

该表示形式中没有权因子和额外的控制参数，而且具有几何不变性、仿射不变性等良好性质。

The resulting arc spline is shape|preserving, and has the same number of inflections with the original polyline;(2) The segment number of circular arcs is the same as that of data points.

这种算法具有以下 3个特点：(1)生成的圆弧样条曲线具有保形的特点；(2 )圆弧样条中圆弧的段数与型值点个数相同；(3)圆弧段之间的连接点不一定在插值的型值点上，这样就能用更多的自由度来控制拟合曲线的形状。

Based on two-dimensional tensor product B-spline wavelet on the interval, a class of flat shell elements was constructed with good performance.

基于二维张量积区间B样条小波，构造了一种性能良好的小波平板壳单元。

Spline/Curve/Closed Curve is yet to be implemented.

样条/曲线/闭合曲线是尚未得到执行。

Planar discrete clothoid splines and discrete clothoid spline surfaces of Schneider and Kobbelt are just constructed by assuming that the curvature of the curves or surfaces is piecewise linearly distributed.

Schneider和Kobbelt的平面离散布状样条曲线和封闭控制网格上的离散布状样条曲面正是利用曲率逐段或逐片线性分布构造出来的。

Based on existing creep theory and the spline function collocation point method, a numerical method was developed to calculate the transient creep strain and stress of a rotor of steam turbine to be aligned.

以往由于缺乏转子钢在直轴温度范围内的蠕变特性实验数据以及对大轴温度场、应力场和应变场的深入理论分析，直轴工艺还带有较大的经验性。

In the dissertation, the nonlinear bending of circular sandwich plates based on Reissner theory is analyzedThe method of Point Collocation are used in the calculation,with the B-spline function taken as the trial function.

本课题研究了基于Reissner理论的夹层圆板的非线性弯曲问题。文中采用配点法计算，以三次样条函数作为应力函数和挠度函数的试函数。

In the case of 16 boundaries, cubic B-spline function taken as trial function, the solutions to nonlinear stability of truncated conical shells and spherical shells with variable thickness were obtained by the method of point collocation.

在16种边界条件下，以三次B样条函数为试函数，用配点法计算变厚度开顶圆锥壳和球壳的非线性稳定。

It is proved that this algorithm can be used to build a B|spline neural network with minimum hidden units to approximate any continuous function defined on compact set to a prescribed accuracy.

对于3层神经网络而言，输入至输出的映射实际上是通过基函数的加权组合来实现的，当基函数取不同时，网络有不同的性质

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。