查询词典 Delaunay

Then we used Kriging interpolation technique in geological statistics to establish geological graphics model,and presented the method of searching known sample points in the region to be interpolated adjacent to triangle mesh vertex with"polygon"expanding,and the method of dealing with the impact of boundary and faultage on interpolated results by distance revolving.

首先给出限制条件下的区域Delaunay剖分原理；其次采用了地质统计学中的克里金插值技术建立图件模型，提出了"多边形"扩张法搜索待插值三角网格顶点邻域内的已知采样点，以"距离环绕法"处理了断层和边界对插值结果造成的影响；结合地质图件自动建立过程；最后给出了一个具体的应用实例。

Delaunay Belleville was a well known automobile manufacturer in France at the time that tried to make some money in guns, but never really took off.

德劳贝尔维尔是法国知名的汽车当时是试图使一些钱，在枪支制造商，但从来没有真正起飞。

In chapter 4, an optimization Boolean operator of triangular mesh and the algorithm of adding point-swapping edge locally are put forward. With boundary traced by adding midpoint, the triangulation of 2D arbitrary domain is realized. The fast searching method which combines the index rectangle with compass based normal vector is designed to speed the triangulation algorithm.

第四章提出了一种优化的三角网格布尔运算和逐点加入—局部换边法，用中点加点法恢复边界，实现了二维任意域Delaunay三角化算法，用索引矩形和基于法矢的指南针法相结合的快速查询法有效地提高了三角化算法的速度，给出了二维任意域三角网格剖分的实例。

Triangulation over a convex 2-D domain is implemented by advancing front technique and circumcircle optimizing method, while the triangulation over an arbitrary 2-D domain needs more restriction of the visibility between points.

对于边界已知的平面区域的三角剖分，按照网格前沿方法和外接圆优化准则实现凸边界的平面区域Delaunay剖分，而对于凹边界区域的三角剖分，需增加可见性判断准则，实现对其的三角剖分。

However it allows edges or elements to straddle between subdomains. In order to be used in conjunction with element-based Godunov algorithm, the RSB algorithm partitions the dual graph of the computational meshes, e.g.

为了将递归谱对分法与以单元为主的Godunov方法结合使用，本文将该方法用于Delaunay非结构网格的对偶图Voronoi图，然后再根据Voronoi图中的结点与Delaunay网格中的三角形单元之间的一一对应关系，得到Delaunay网格的分区。

The properties of Delaunay triangulation guarantee the following things:Once the fingerprint is given, that is a group of 2-D points are given, the Delaunay triangles are exclusive.

这在我们的应用中也是非常重要的，因为对指纹图像所进行的几何变换量的计算，是基于特征点矢量三角形的，狭长三角形会导致不稳定性甚至产生错误结果。

Constrained by the triangle constraint integrated with the conventional epipolar geometric constraint, the local continuity constraint is enforced by changing the constraint areas dynamically according to the local texture density. 3 The topographic structure extraction and analysis based on grid DEMs are investigated in this dissertation, the topographic structure extraction approach fills depressions by adopting vector processes combined with traditional neighborhood raster processes, assigns flow direction over flat by applying a neighbor-grouping scan method.

2提出了一种基于核线影像对和良好匹配点三角形局部连续性约束和顺序约束下的影像匹配方法，该方法利用已知良好匹配点在Delaunay TIN的约束下进行纹理自适应的匹配传播，同时利用新的匹配点对Delaunay TIN进行动态细化使得局部几何约束区域的大小自动适应影像纹理特征的变化，从而得到更加可靠的影像匹配结果。

By percolation theory and coloring method, it is shown that the molting process is the appearance and bunchiness of the simplex with large area, which in turn results in the percolation, while the root of fluidity is the appearance and increase of the simplex with large volume.

借助逾渗理论和染色方法，熔化的过程可以认为是大面积Delaunay单纯形出现、成串直至逾渗的过程，而液体流动性的根源则是大体积Delaunay单纯形的出现和增加。

A kind of algorithms of route planning for cruise missile based on muter invisibility analysis are discussed including the improved algorithms of making delaunay triangle nets by known points in relief maps and of finding muter invisibility points by delaunay triangle nets .

提出了一种基于地形通视分析的巡航弹航迹规划算法，包括由地形图已知点生成德朗利三角网的改进算法和由德朗利三角网找出通视点的改进算法。

First,Delaunay triangulation is generated using incremental insertion.Second,isolines are traced based on Delaunay triangulation.

掌上电脑是近年来发展迅速的移动式便携计算机，内置强大的嵌入式操作系统，提供内嵌式开发环境用于程序设计。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。