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- In the CAGD field, Coons surface, B spline surface and NURBS surface are mainly used. Coons类曲面、B样条曲面和NURBS曲面是CAGD中主要的曲面表达形式。
- The distance from 3-direction quartic box spline surface to the central triangular planar patch of its control net is investigated as well as its bound. 摘要研究了三向四次箱样条曲面与控制网格中心三角平面片间的距离和该距离的界。
- In this paper, it has used three uniform B spline surface to construct the surface of the blade die cavity, and developed a CAD/CAM system of the blade die. 应用双三次均匀B样条曲面,对汽轮机导叶片锻模型腔表面进行曲面构造,据此开发了导叶片锻模CAD及其型腔表面CAM系统。
- According to the matrix representation of quadric B spline surface,a sufficient condition of G~1 continuity between two patches of adjacent quadric B spline surface has been provided. 利用二次B样条曲面的矩阵表达式;将B样条曲面进行分片表示;给出了两邻接二次B样条曲面间的G1光滑拼接的充分条件.
- By usage of this method,simple computation and data process can be obtained by program efficiently rather than the large scale and complex process on reconstruction of the spline surface. 该方法避免了根据离散点构建样条曲面而进行大量而复杂的计算过程,数据处理简单,并可通过程序实现,具有较高的效率。
- bicubic B- spline surface interpolation 双三次B样条插值
- bivariate quadratic spline surface 二元二次样条曲面
- non- uniform rational B - spline surface NURBS曲面
- In this paper, B 3 spline surfaces are introduced to model complex objects, then the radar cross section (RCS) of complex objects modeled with B_3 spline surfaces is calculated by the physical optic (PO) method. 引入B3样条曲面片拟合目标外形,然后利用物理光学(PO)技术分析由B3样条曲面构成的目标的雷达散射截面(RCS)。
- Application of Geometrically Continuous Catmull-Rom Spline Surface Catmull-Rom几何样条曲面的应用
- A G~1 Spline Surface Blended with Triangular Bezier Patches 三角域Bezier曲面片G~1样条曲面造型
- The gas bubbled to the surface of the water. 气体变成气泡升上水面。
- The surface of the liquid gradually crusted over. 液体表面渐渐地结了一层皮。
- A breeze ruffled the surface of the lake. 一阵微风吹皱了湖面。
- Outside surface is a spline through points. 外表是通过点的齿条。
- A wave broke across the surface of the pool. 一个波浪从池水表面掠过。
- The calm water surface is very much like a mirror. 那平静的水面十分象一面镜子。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- A new algorithm between adjacent rational Beta spline surface patches 有理Beta样条曲面拼接曲面拼接的新算法
- He is honest only on the surface. 他只是表面诚实而已。