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CAGDBNC²³⁶²¹³⁺¹ 基本例句 计算机辅助几何设计¹⁰⁰ And the other is the general geometrical modeling of the arbitraryradome surface by using the Non-Uniform Rational B-Splme NURBS surfaces of Computer Aided Geometric Design CAGD. 文中关于射线方法的另一个扩展就是将计算机辅助几何设计中成熟的 NURBS技术引入到天线罩的曲面拟合中。 http://dj.iciba.com Most of the kernel functions are polynomial for curve& surface modelling in CAGD. 在计算机辅助几何设计中,曲线曲面拟合一般采用多项式作为基函数。 dictall The whole essay is divided to three sections. The first section is the introduction of CAGD, surface modeling and relations between CAGD and reverse engineering. 本文共分三个部分,第一部分主要介绍 CAGD的概况、曲面造型的介绍以及逆向工程与 CAGD曲面造型之间的联系。 cnki The computation of geometric continuity is one of the key problems in Computer Aided Geometric Design CAGD. 几何连续性的求解是计算机辅助几何设计 CAGD中的一个关键问题。 cnki The new achievement of CAGD field has been introduced to build up the mathematical model of vehicle body appearance curve and surface. 本文引入 CAGD领域研究的新成果构造车身外形曲线曲面数学模型。 cnki The technology of CAGD has been mature during thirty years' development. CAGD技术经过了三十多年的发展,已经比较成熟。 iciba An important problem in CAGD is to pass a smooth curve through a set of two or three dimensional points. 在 CAGD中,构造光滑曲线通过给定的二维或三维点集是非常重要的问题。 cnki Application of analytic functions in CAGD Computer Aided Geometric Design is a new area of Computer Graphics. 解析函数在计算机辅助几何设计中的应用是计算机图形学中新的问题之一。 iciba B spline surface is mathematically elegant with many good properties and has become one of the most widely used methods in CAGD. 样条曲线、曲面具有许多优点而且已成为 CAGD中使用最为广泛的方法之一。 cnki Changing shape of curves and surfaces and approximate merging two adjacent curves and surfaces are both hot topics in CAGD. 调整曲线曲面的形状及两相邻曲线曲面的近似合并问题都是 CAGD领域中的热点问题。 dictall Constructing a smooth curve with given endpoint conditions is a fundamental problem in computer aided geometric design CAGD. 构造一条满足给定端点条件的光顺曲线是计算机辅助几何设计 CAGD中的一个基本问题。 iciba Knot insertion, knot removal, degree elevation and degree reduction of B- spline curves are important technique in CAGD. 样条曲线的节点插入、节点消去、升阶、降阶是 B样条方法的最基本和最重要的技术。 cnki NURBS curves are among the most commonly used Parametric curves in CAGD and computer graphics. NURBS曲线是计算机辅助几何设计和计算机图形中最常用的参数曲线。 iciba NURBS surfaces are among the most commonly used parametric surfaces in CAGD and Computer Graphics. NURBS曲面是计算机辅助几何设计和计算机图形中最常用的参数曲面。 iciba RaPidly generating curves and surfaces is always one of the basic problems in CAGD. 曲线和曲面的快速生成一直是 CAGD研究中的基本问题之一。 http://dj.iciba.com Smoothing the surface of handling is an important part of CAGD. 曲线曲面的光顺处理 CAGD的一项重要内容。 fabiao The proposed approach helps to promote the application and popularization of curvature line in CAGD and surface modeling. 文中的思想与算法有助于曲率线技术在计算机辅助几何设计及曲面造型中的使用与推广。 cnki The applications of the transformation matrices of B-spline bases in CAGD are also discussed, including the problems about the knot insertion, degree elevation and decomposition of B-spline curves. 本文还讨论了 B样条基转换矩阵在 CAGD中的应用,特别讨论了 B样条曲线的节点插入、升阶和分解问题。 cnki This paper, based on an analysis of the disadvantages of the current geometric design, offers a new CAGD method for the centrifugal pump impeller. 本文在分析了目前的离心泵叶轮几何设计方法缺陷的基础上,给出了一种新的离心泵叶轮的计算机辅助几何设计方法,并在计算机上实现。 cnki To promote applications of minimal surface in the CAD/ CAGD systems, Modeling of the minimal surface by4-point interpolation subdivision scheme is studied in the paper. 为了促进极小曲面在 CAD/ CAGD系统中的应用,本文研究了利用四点插值细分法构造光顺极小曲面的问题。 cnki Tri-variate rational interpolating has direct application in geometrical modeling, image processing and CAGD, etc. 三元有理插值在几何造型、图像处理、计算机辅助设计等领域都有直接的应用。 cnki With the development of technology, the disadvantages of the conventional CAGD system become noticeable. 随着现代制茶技术的发展,传统黑茶已急剧减少。 iciba CAGD is a non- political, non- profit and non- religious independent organization registered in the State of Michigan. 协会是在美国密西根州注册、具有独立法人资格的非政治、非营利和非宗教的组织。 www.hsm.com.cn CAGD mainly researches the complex way to change the freedom of curves and surfaces, the so-called freedom of curves and surfaces. CAGD主要研究以复杂方式自由变化的曲线曲面,即所谓的自由型曲线曲面。 fabiao |