查询词典 Delaunay

Voronoi diagrams for the Delaunay triangulations, such that all information related to a given element is mapped to the same processor.

文中给出了一种对图的Laplacian矩阵进行平移预处理的方法，以加速Lanczos过程中，次小特征值近似值的收敛。

In the theories, author used the arithmetic of inserting point by point to constructed Delaunay triangulations and used Visual C++ and OpenGL to displayed the 3D digital model.

在这些理论基础上，采用逐点插入算法在椭球面上建立Delaunay三角网，并使用Visual C++和OpenGL对建立的数学模型实现了三维显示。

The last scheme is extended from the second one and is for random deployment. Through localized Delaunay triangulations, it achieves energy efficiency with distributed computation and communication.

最后一个方法延伸至第二个分散式计算的方法由格子点推广至随机方布；透过形成区域性的Delaunay三角形作为分散式计算与通讯的单位，实践提升能源效率的目标。

In the first place, this paper reviews two main methods in surface triangulations, named as plane-projection and direct triangulation. For the former, Delaunay triangulations are mainly enunciated.

本文回顾了三维散乱点集曲面三角剖分的两种主要方法即平面投影法和直接剖分法，对几种常用的算法作了较为详细的描述，同时对剖分算法中经常出现的数据结构作了详细的介绍。

In the first place, this paper reviews two main methods in surface triangulations, named as plane projection and direct triangulation. For the former, Delaunay triangulations are mainly enunciated. For the later, algorithm developed by B. K. Choi is particularized. Some typical algorithms are introduced in detail, as well as various data-structures built in these algorithms.

本文回顾了三维散乱点集曲面三角剖分的两种主要方法即平面投影法和直接剖分法，对几种常用的算法作了较为详细的描述，同时对剖分算法中经常出现的数据结构作了详细的介绍。

After the linear pointing correction, the surveying region is divided into spherical Delaunay triangulations, and the whole smooth pointing correction surface is produced by using the high-accuracy generalized extended interpolation approximation method.

提出了一种新的基于广义延拓插值的射电望远镜指向误差修正模型，在线性修正模型的基础上对观测域进行球面的Delaunay三角剖分，利用高精度的广义延拓插值逼近方法生成不分项的整体分布曲面。

This method can effectively reduce the numbers of artificial dams and local minima.The algorithm has been implemented in five different terrains,showing that the method can effectively reduce the numbers of the local minima.So,it is more realistic for generating terrains model with higher order Delaunay triangulations.

实验结果表明，高阶Delaunay三角网能够有效地减少地形中局部极小的数量，因此，采用高阶Delaunay三角网建立的地形模型更接近于实际地形。

The Three-dimensional measuring dispersed points become into Delaunay triangle triangulations.

三维测量离散点集Delaunay三角网化。

Based on analyzing the algorithms of Delaunay triangulation creation in domestic and abroad, in view of the situation of building DTM and the need of realizing railway 3D visual design, a divide-and-conquer algorithm to build DTM is presented, the algorithm use square grids to manage disordered points, to form triangular meshes in grids, DTM can be obtained by merging the triangular meshes, so that the work of sorting of the disordered points before building DTM is reduced greatly; moreover, the algorithm utilize subarea to control the vertices of convex hull so that the range which support points locate in can be predefined when searching support points, the workload of searching support points can be reduced and the speed of merging two triangulations is raised.

在分析了国内外构建DTM算法的基础上，针对DTM算法的现状及铁路线路三维可视化设计的需要，创立了一种构建DTM的分治算法。算法引入方格网管理离散点数据，在格中构建三角网，然后再将这些三角网合并形成DTM，极大地减少了构网前对所有参加构网的离散点进行排序的工作量。此外，通过对凸包顶点数据进行分区管理，在搜寻凸包支撑线时，能预先确定出支撑点的范围，减少了搜索工作量，提高了三角网的合并速度。

In this paper we develop a new landmark selection algorithm with incremental Delaunay refinement method.

本文提出了一个新的用增量 Delaunay 更新的锚节点选择算法。

Looking to bounce back from defeat against Cesena last weekend, the Calabrian boss will be sticking to his tried and tested 4-3-3, with Lopez and Sedivic joined up front in Giampaolo's absence by either Nanni or Plasmati.

鉴于上周末对切塞纳的比赛中反败为胜，这支南方球队将会更坚持其一贯而有效的4-3-3阵型，洛佩斯和塞德维奇将取代受伤缺席的詹保罗，和纳尼或者帕斯马蒂中的一个搭档锋线。

Meanwhile, their exposure to the more freewheeling ways of the West broadened dramatically.

另外，西方较自由的生活方式对年轻人的影响增大。