An edge length ratio based algorithm for complex shape tracing using irregular point is proposed, which can adaptively trace boundary with concave shape and hole. 提出了一种基于三角形边长比约束的离散点边界追踪算法,实现了对带洞凹多边形边界的有效追踪。
Irregular activities shall be held at Garden City Center for the point redemption, during which members can get the corresponding gifts according to the level of their total bonus points. 花园城中心将不定期举办积分兑换活动,活动期间会员按消费积分所达等级兑换相应的礼品。
Unlike the sinusoidal, endlessly repeating waves used in Fourier analysis, wavelets are often irregular and asymmetric, with values that die out to zero as they move farther from a central point. 与傅里叶分析中使用的无限重复的正弦波不同,小波常常是不规则的和非对称的,随着离中心点越来越远,其数值逐渐靠近零。
A Note About Singularities of Electric Fields at the Local Irregular Point of a Conductor 关于导体局部非正则点处静电场奇性的一个注记
Based on the algorithm of Delaunay Triangulated Irregular Network, an improved algorithm to use isoline making in an irregular region with data of arbitrary point is put forward. 以基于Delaunay不规则三角网络的算法为基础,提出一种在不规则区域内,使用离散点数据生成等值线的改进算法。
The concentrations and temperature profiles in an irregular cross section of catalyst bed between cold tubes were calculated by the mesh-point method. 采用网格法计算了管间催化床不规则截面的浓度分布和温度分布。
Simulation of complex irregular dynamic boundary is a key point of the calculation of flow. 在水流数值模拟中,对不规则边界的处理一直是人们关心的问题。
In this thesis, the author discusses the process of constructing triangulated irregular network with discrete point and improves the algorithm of constructing Delaunay network. 论文研究了离散点构造不规则三角网的过程,并对经典的构造Delaunay三角网算法进行了改进,改进后的算法具有较好的运行效果。
The distinguishing features of the paper are selection of oblique strip and loading transmission, negative yielding line in irregular slab with simple supports, point support and shear split of slab. 本文的主要特点为有料向板条的选取及荷载传递、简支不规则板的负弯矩裂缝线以及点支承板条和板的剪切劈裂问题。
In this paper, the approximate polygon for irregular shapes, the protruding and concave point of polygon, the direction of polygon, the area of polygon, the single, face to face, frock, combinable packing are talked. 对不规则件的多边形近似表示、多边形凸、凹点、多边形方向、多边形面积和多边形单排、对排、双排以及联排的预先处理进行了探讨。
A new modeling method is developed for the active control of interior noise within an irregular three-dimensional cavity under the cooperation of point force and incident wave. 对于具有两个弹性板的复杂封闭空间,建立了在外声源和外力源以及控制电压共同作用下有源消声系统建模的新方法。
Discussion and Research with Irregular Test Piece of the Point Load Measurement Rock Strength 点荷载测试岩石强度使用不规则试件的研究与探讨
That is, irregular meshes with non-quadrilateral cells and more or fewer than four cells meeting at a point can be input and treated in the same conceptual framework as tensor-product B-splines. 即利用混合矩阵,可以用与张量积B样条曲面相同的概念框架处理具有非四边界及多于或少于4个四边界面汇聚于一点的非规则控制多面体的曲面拟合。
Through building a quadtree structure on irregular point data, and combining the quadtree based Level-of-Detail ( LOD) methods and the Triangulated Irregular Network ( TIN) based triangle mesh simplification methods, we proposed and realized a LOD algorithm for TIN. 通过在不规则采样点集上构建一个四叉树结构,并联合基于四叉树的LOD算法和基于TIN的三角网简化算法,提出并实现了一种TIN的LOD算法。
The selection of background field on the irregular interior point. 非正则内点上背景场的选取。
The experimental results show that processed by improved WMM method, the isolate and irregular noise points can be suppressed effectively and singular point representing the defect can be detected easily and accurately in the decomposed maximum modulus sequences. 试验结果表明:改进的WMM方法能更为有效地抑制模极大值序列中的孤立的、无规律的噪声点,准确地检测到缺陷信号的奇异点。
It can display with classified point cloud, build triangulated irregular network and classify point cloud and other functions. 该软件可以实现点云分类显示、不规则三角网构建、点云分类分割等功能。
In the creative process of Chinese Folk Art, artists often use flexible subjective thinking to break the material of irregular shape limitations. This is a valuable point of the Chinese Folk Art, the most precious tradition of Chinese Art. 中国的民间艺人在创作的过程中,常常巧妙地以主观思维的活跃突破客观材料的局限,这是中国民间美术的可贵之处,也是中国艺术最为珍贵的传统。
It uses a shrinkage factor to control the data distribution of representative points at the same time. This method is effective to represent irregular data distributions, and have a good adaptability to anomaly point data at the same time. 同时利用一个收缩因子来控制代表点的数据分布,这一方法能有效的表示不规则的数据分布,同时对异常数据点也有很好的适应性。
The most striking characteristic of ghost method is the virtual ghost point introduced, making irregular interior point and regular interior point adopt uniform difference scheme. 鬼点法最显著的特点是引入了虚拟的鬼点,使非正内点和正则内点采用了统一的差分格式。
The difference scheme on the irregular interior point. 非正则内点上离散格式的推导。
Such processing avoids that the irregular interior point approximate surface boundary point. 这样处理避免了转移法中用非正则内点对地表边界的近似。