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- 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。
- The theory of spline function especially B spline function has been greatly developed sinee 1960s,It has become one of the main mathematical tools in the Computer Aided Geometry De- sign(CAGD). 60年代以来,样条函数特别是B样条函数的理论有了很大发展,已经成为计算机辅助几何设计(CAGD)工作中的主要数学工具。
- B Spline Function and Image Edge Detection B样条函数与图像边缘检测
- uniform B spline 均匀B样条
- Application of B Spline Function in DC Characteristics Simulation of Short Channel MOS Device B样条函数在短沟道MOS器件直流特性模拟中的应用
- Spline function method of interpolation. 样条函数插值法。
- B spline function B样条函数
- Curvature monotony condition Tor the quadratic rational B spline curves. 二次有理B样条曲线曲率单调条件
- A method is proposed to approximate arbitrary curves by spline functions with parameter of non uniform path distance. 提出用非均匀自然路径距离参数的三次样条函数近似表示任意曲线。
- The mathematical theory and merit of tension spline function in rainfall isoline smoothing were also introduced. 介绍了张力样条函数的数学原理及其在等值线光滑应用上的优点。
- 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。
- Comparing with the former spline function method, the SMM have a simple style of com putin... 样条矩阵法与以往样条函数方法相比,具有格式简单,编程方便,计算简捷等优点。
- The construction method of spline function and the basic principle on spline subdomain method were described. 针对平面形状不规则的异形桥梁,采用样条子域法对之进行数值分析。
- This paper studies the method and process of interpolating the DEM based on rectangular grid with B spline and smoothing spline. 本文研究了B样条和磨光样条应用在基于矩形格网的DEM内插中的思想、方法及实现过程。
- The paper introduces a new way to calculate the structure of a given woven fabric on the basis of float combination with B spline curve funct. 本文根据浮长线对织物结构影响的原理,结合三次B样条函数,对机织物结构进行计算,根据计算结果可以得到模拟图像效果。
- The rainfall isoline smoothed by the tension spline function algorithm in the process of making rainfall isoline map of Beijing Pinggu District has much better effects. 在绘制北京市平谷地区雨量等值线图过程中,应用张力样条函数算法光滑后的雨量等值线图达到了很好的效果。
- In this article,the gray-scale image LOD scheme is realized by image meshing and B spline subdivision wavelet transform. 通过将灰度图像网格化,并在图像网格上进行B样条细分小波变换,实现了图像的LOD压缩算法。
- Estimators of penalized least square for parametric regression and vectors and spline function can be got by compiled program. 模拟计算表明,该方法适合于回归函数模型误差与测量系统误差的估计。
- For this study, the physical quantity was approximated by a discrete, three-dimensional grid on the surface of the body created by spline function. 该法首先用双参数曲面插值法来拟合所需曲面,曲面以双参数网格线表示,网格线的交点形成网格点阵;
- This method combines the homomorphic filtering and B spline smoothing.Firstly, a coarse bias estimation is got by Gaussian homomorphic filtering on the corrupted image. 该方法将同态滤波和B样条平滑相结合,首先采用高斯同态滤波器对污染图像滤波,得到初步估计的偏差场;