查询词典 spline function

Pitch Circle is the reference circle from which all transverse spline tooth dimensions are constructed.

节圆：节圆是一个参考圆，花键的键齿的所有的横向尺寸都是以节圆为基础开始计算的。

The study establishes the compression of models and algorithms for vector graphics data on different basis, including on the basis of vector graphic factors of B spline curves in predecessors research; on the basis of rectangle graphic factors in main axis mode; on the basis of the application of Hough transform to polygonal line, ellipse and circle, so the study improves the models and algorithms of compression for vector graphic data.The compression for vector graphic data mainly studies the data of storing graphic factors.

本文研究的内容是：根据对以往各种曲线矢量数据压缩模型与算法的研究，建立了基于B样条的曲线矢量图形要素的数据压缩模型和算法；在前人研究的基础上，建立基于主轴模式的矩形图形要素的数据压缩模型和算法；本文作者将Hough变换应用到折线、圆及椭圆图形要素的矢量数据压缩上，在此基础上改进了基于Hough变换的折线、圆及椭圆图形要素的数据压缩模型和算法。

The average configuration of each group was generated by the Procrustes analysis. These configurations were employed for geometric morphometry: finite-element method and thin-plate spline analysis.

将普式叠合分析法求得的各组平均图形，进行之后有限元素分析、和薄板仿样分析（Thin-plate spline analysis）的运算。

The lattice was deformed as a particle system using advanced numerical methods, and the hairs were animated using quadratic B-Spline interpolation.

晶格被作为一个粒子系统采用数学方法变形，毛发采用2次B样条插值方法绘制。

A piece of quartic spline curve was constructed and the same analysis was applied to it as well for comparison.

给出一个拐角重构实例，插补构建的曲线，并分别分析了插补输出的速度、加速度及加加速度。

With the point near the corner and the point on any edge of the corner,a piece of quartic spline curve was constructed to approximately calculate the ...

利用拐角附近点及其一条邻边上的点构建一条四次样条曲线近似计算构建的五次样条曲线几何参数。

The comparison of the new method with cubic and quartic spline methods is included.

这说明现有样条函数方法自身存在着缺陷，在使用上具有很大的局限

The results indicate that the reconstructed quintic spline curve can ensure the cutter transit well for corner contour, and that the cutting performance is superior to that of the quadratic one.

同时也重构了一条四次样条曲线与五次样条曲线作对比分析，结果表明，五次曲线能使裁刀获得良好的且较四次曲线优越的轮廓拐角加工性能。

Firstly, a quintic PH-spline curve is used to approximate a cubic Bézier curve within a bound. The convergence for the approximation is proved.

研究用C1连续的五次Pythagorean-Hodograph样条曲线逼近一给定的三次Bézier曲线，证明了这种逼近算法在常用误差测度下的收敛性。

Keywords leather cutting;corner reconstruction;quintic spline curve;motion stability

皮革裁剪；拐角重构；五次样条曲线；运动平稳性

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。