查询词典 spline

Although this structure is comparatively complex, it still can be divided into sub-strctures to study. This paper puts forward for the first time the loop geometric model of MBWK fabric reinforced composite. And based on this research, the total structural model for the MBWK fabric reinforced composite was also derived subsequently. In addition, the Non-Uniform Rational B-Spline Curve NURBS for abbriv.

我们经过合理分解复合材料的内部结构，对实际结构作了必要的简化之后，得到了可以进行几何和力学分析的结构单元，也就是说，线圈结构可以用数学方法描述，所以本论文第一次提出了MBWK织物增强复合材料线圈结构的几何模型并分析了这种复合材料整体的结构形态特点。

Further, it is found that the limit curve is a uniform rational cubic B-spline curve or the curve's control polygon when its tension parameters tend to zero or infinity respectively.

Barsky[4 ] 将具有张力参数样条的双曲样条曲线引入CAGD ，称之为张力样条参数曲线，并证明了这种曲线是一类泛函问题的极小解。

In this method, the parameter value at the maximum of each rational B-spline basis function is defined as the parameter value of associated data point.

在这种方法中，把每个有理B样条基函数的最大值处的参数值定义为相伴数据点处的参数值。

A new method of controlling moving path in real-time for engineering animation is presented based on de Boer algorithm for B-spline construction.

本文引入一种新的实时控制工程动画运动路径的方法，以构造B样条的德波尔算法为基础，在初始驱动样条路径上进行节点插入的局部升阶，生成新的插入节点u，并实时响应控制参数的输入v，将输入参数节点与节点插入生成的节点形成一组控制节点用来控制样条的偏移度，然后引入关于时间t的线性函数的质量权重Wk来控制路径曲线的偏移量。

The control point of new B spline can be computed by an explicit recurrence formula.

新B样条曲线的控制点由一个显式递推公式计算。

In this paper,the construction of parametric rational circular arc spline is introduced briefly,the recurrence relation bet.

文章首先介绍参数有理圆弧样条的构造，并建立相邻两分段点切向量之间的递推关系式，然后再利用此关系式给出了此参数有理圆弧样条保形性的充要条件，为实际应用提供了理论依据。

A new algorithm for modeling regression curve is put forward in the paper, it combines B- spline network with support vector regression.

摘要将ε-支持向量回归机与B-样条网络相结合，提出了一种建立回归曲线模型的新算法。

This dissertation researches in the vibrant clipped data of a plane, proposes regression analysis, BP learning algorithm and cubic spline interpolation to forecast the clipped data.

以国产某型无人机空飞时振动传感器测得的振动削波数据为研究对象，选用回归分析法、BP神经网络法和三次样条插值法对削波数据进行预测恢复。

The results are much better than the other approaches'. Then we give another method for approximating offset curves. The circle is first approximated by regular polygon within some tolerance. The exact offset curve is then approximated by the convolution of the regular polygon with a B-spline curve or a NURBS curve having the same degree.

与此同时作者从基圆的正多边形逼近出发，通过求解包络的技巧给出了等距曲线逼近的另一个算法，可整体估计误差，所得的等距逼近曲线为与基曲线同次数的B样条或NURBS曲线，克服了国际上现有同类算法中逼近曲线次数几倍于基曲线次数的缺陷。

We introduce the concept of irregular incremental integral samples. Therefore, we present the reconstruction of signal from regular and irregular incremental integral samples in spline subspaces and show the essence of the concept of incremental integral samples. The obtained results improve and generalize the Aldroubi, Moon, Zhou and Sun's results.

我们引入了非均匀增量积分采样的概念，并讨论了在样条子空间中从均匀增量积分采样和非均匀增量积分采样中的重构，从而揭示了增量积分采样的实质，获得的结果推广并改进了Aldroubi、Moon、周性伟、孙文昌等人的工作。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。