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- 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
- 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。
- 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。
- 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。
- 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。
- 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；
- Application of B spline and smoothing spline on interpolating the DEM dased on rectangular grid[J].Acta Geodaetica et Cartographica Sinica,2000,29(3):240-244. B样条与磨光样条在基于矩形格网的DEM内插中的应用[J].;测绘学报;2000;29(3):240-244
- The sensitivity analysis was developed using the rigid viscoplastic finite element method.The preform die shapes are represented by cubic B spline curves. 表示预锻模具形状的三次B样条曲线的控制系数用作设计变量。
- A new approach based on cubic polynomial and B spline interposition to rebuild the CAM generated tool path under real time condition is presented in the paper. 本文采用三次参数样条曲线和B样条曲线来实时重构CAM生成的走刀轨迹，以少量的数据点便能达到比直线和圆弧插补高得多的加工精度。
- Vertically, late diagenetic period B sand layer is advantageous for oil and gas gathering, while late diagenetic subperiod A3 sand layer is disadvantageous for oil and gas gathering. 纵向上，晚成岩B期的砂体有利于油气聚集，而晚成岩A3亚期的砂体不利于油气聚集。
- A self adaptive method is proposed which can make line interpolating of a cubic B spline tabulated curve and generate varied step length cutter location points according to the machining accuracy. 给出了一种根据零件加工精度要求，对三次B样条列表曲线进行直线插补，自动生成变步长刀位轨迹的算法，简称自适应算法。
- 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.
- In this paper,LFFC based on B-spline network(BSN) is designed by means of qualitative knowledge of the process and disturbances. The advantages of B spline network with fast convergence and avoidance of the local extreme are used. 在系统和扰动定性知识的基础上;设计了基于B样条网络的学习前馈补偿控制;利用了B样条网络具有收敛速度快和避免局部极值的优点.
- 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。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Study on B Spline Interpolator in CNC System 数控系统中B样条插补器的研究
- B Spline Function and Image Edge Detection B样条函数与图像边缘检测
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
