样条线

UG软件样条线造型功能的研究与应用

Research And Application of Modeling Funtion of UG Spline

UG软件SPLINE样条线在实体造型方面具有重要作用，它能帮助人们制作一些复杂的曲面，以提高实体建模的效率和质量。

Spline of UG software plays an important role in modeling which can help people to built some complicated surface and therefore improve their efficiency and quality .

你可以用一条样条线进行车削（lathemodifier）来得到它。

To do so you can add a lathe modifier to a spline .

通过SPLINE样条线功能和特点的研究与应用，摸索出运用SPLINE样条线进行机械产品实体造型的一些方法和技巧，为UG软件的高效运用提供了一定帮助。

Through the research and application in the function of spline , some methods and skills were put forward in mechanical product modeling and is helpful to the high efficiency of UG software .

由于测量数据点具有密集、无序的特点，确定轮廓草图平面后，不能直接对数据点进行参数化和样条线拟合。

As being dense and out-of-order , the collected data points cannot be directly parameterized and fitted by spine curve after the profile sketch plane is determined .

按照在草图基础上反求结构件的思路，本文研究了草图平面与草图元素的生成算法，包括平面、直线、圆弧的最小二乘拟合和基于设计意图的样条线生成算法。

According to the idea of structural part reconstruction from sketches , The algorithms of sketch-plane fitting and sketch-profile creating are studied in this thesis , including the Least-Square fitting algorithms of plane , line , circle and spline based on design intent .

主要采用模糊边缘增强算法与B样条蛇线算法结合的方法实现CT图象中某些组织器官二维上的分割，并采用体绘制对分割后的序列图像进行三维重建。

The paper uses the combination of fuzzy enhancement algorithm and B-snake algorithm to segment definite organ from CT image . Series of resulted image are then rendered with volume rendering algorithm .

环板弯曲中的样条函数线法研究

Research of spline function method of line in analyzed cylindrical plate

样条函数线法分析壳体非线性问题

Spline Function Method of Lines for Analyzing Nonlinear Problem of Shells

样条函数线法及在筒壳结构分析中的应用

Analysis of tube shells using spline function method of line

采用样条函数线法分析了圆柱壳及具有封闭截面壳体的几何非线性问题。

The spline function method of lines is used in analyzing nonlinear problems of cylindrical shells .

还导出了用于非线性分析的样条函数线法增量方程；

The increment equations of the spline function method of lines are also given out for analyzing the nonlinear problem .

图像分割中采用自适应三次B样条修饰轮廓线

Adopt adaptive B-spline to embellish contours in image segmentation

一种新的B样条主动轮廓线模型

A New B-spline Active Contour Model

□把神经网络算法用于C-B样条曲线等距线的近似求解。

The algorithm of artificial neural network is introduced to the approximate calculation of the offset curves for C-B-splines .

三次样条曲线等距线的近似计算方法

Approximate Calculating Method of Equidistant Line about Cubic Spline

用二次B样条曲线代替波浪线绘制局部剖视图

Replacing Wavy Lines by B Spline Curves Twice for Drawing Local Section

B样条在船舶型线插值逼近中的应用

Application of B-Spline in Interpolation and Approximation of Ship - Shape Lines

利用三次B样条函数作等值线分析

An Analysis of Equivalence Curve by Thrice B Spline Function

用线性迭代法和分段三次B样条曲线对等值线进行光滑处理。

And uses the method of linear iterative method and cubic B-spline curve to smooth and fit contour line .

本文介绍用三次B样条函数来建立线框图形的几何模型.对图形的动态建模与动态处理进行讨论，并提出了相应的算法。

This paper introduced setting up geometric model of line graphic by 3 function of B spline and discussed the algorithms of dynamic building up model and dynamic processing for the graphic .

利用参数化B样条来描述轮廓线，得到B-snake主动轮廓模型；

Parameterized B-spline to describe contour is used , gained B-snake model . Less control dots is used to get a good describing of local contour .

基于函数样条的船舶型线的三向光顺的研究

Automatic Space Fairing Study of Hull Lines Based on Funtion Spline

应用样条函数绘制影响线

Analytical solution of influence line by means of spline function

最后通过试验发现，该算法对于以三次样条插值的等值线的数据压缩是行之有效的。

Finally it is will be proved by experiment that this algorithm is effectual for the compression of isoline interpolated with cubic parameter spline .

并在具体计算时，采用三次样条曲线代替轮廓线，提高了曲线长度的计算精度。

In calculation , cubic spline curve is used to instead contour line . This method can increase the precision of curvilinear distance measurement .

该样条可根据轮廓线不同处的曲率变化情况，自适应地调整控制点的分布。

Then the contour was smoothened and fitted by using adaptive cubic B spline , which adjusts the distribution of control points adaptively according to the contour curvature .

采用尺度空间函数改进的样条函数对轮廓线的曲率函数进行波形处理，从而得出它们的分布状况而构造出波形的层次结构。

This article puts forward the wave-form procession to the curvature of contour line by using the improved spline function as scale-function and gets their distribution and establishes the hierarchy of the wave-form .

基于圆弧样条构造NURBS曲线的等距线非均匀有理B样条曲线的等距线生成算法

Constructing offsets of N U R B S curves via circular spline Offset of NURBS curves by parameter optimization

用五次Pythagorean-Hodograph样条曲线构造三次B样条曲线等距线

Constructing offset to cubic B-spline curve by quintic Pythagorean-Hodograph spline curve