三角

In order to enhance the speed of constructing triangulated irregular network, this paper proposed an efficient algorithm of constructing Delaunay triangulation.

为了提高不规则三角网的构建速度，提出了一种高效构建Delaunay三角网算法。

The algorithm makes the discrete points sort in scan manner, and secondly it constructs convex hull and triangulates the sorted points by the optimal convex hull technology which is proved by the author, and optimizes triangles utilizing topological structures of directed edges.

该算法对离散点进行扫描线方式排序，利用最优凸壳技术进行凸壳的生成和三角网联结，最后利用有向边的拓扑结构进行三角网优化。

Second, the implementation of this algorithm and the possible cases in the triangulating process are explained in detail. At the same time, the article gives the flowchart.

文中详述了三角化的具体实现过程和在三角化过程中可能出现的各种&接触&情况，给出了程序流程图。

In the aspect of skin-character analysis, the number of triangles and the number of major nodes are found as features by the triangulating technique of skin image using wavelet coefficient.

在肤质分析方面，则利用小波系数将皮肤影像三角化的技术，计算出三角化后的三角形个数以及重要节点数。

In triangulating within certain tolerance, selecting the restrict angle is resolved, and the approach for checking up the error is introduced.

针对有、无边界的空间散乱离散点的三角划分分别提出了收敛三角划分算法、扩展三角形划分算法。

A testing triangulation experiment for a polygon with 100 inside islets was done with this algorithm, and the result showed that this algorithm is efficient and robust for triangulating complex polygons with large numbers of inside islets. This algorithm has been successfully applied to the three- dimensional ore-body modeling and visualization system, in which it is used to triangulate the sectional polygons with inside islets, e.g., the inside stones or holes in ore-body, and its high efficiency has been proved.

实验表明，该算法在含有大量岛屿的带岛屿多边形三角剖分中具有很高的时间效率和很强的鲁棒性，并成功将其应用到基于剖面的三维矿体建模与可视化系统中，解决了含有夹石或孔洞的矿体剖面多边形三角剖分问题，具有一定的实际应用价值。

Secondly, the paper has carried on the analysis to the millimeter wave blasting fuse near field target characteristic, and has produced a RCS measuring technique. The analysis is that non- atmosphere window triangle wave modulation millimeter wave blasting fuse slip frequency spectrum, which has completed under the triangle wave modulation slip frequency signal time domain and the frequency range analysis.

随后对毫米波引信近场目标特性进行了分析，并给出了一种RCS的测量方法，并系统分析了非大气窗口三角波调制毫米波引信的差频频谱，完成了三角波调制下的差频信号时域和频域分析。

It realizes the function of mine lane visulization and the visulization of Geologic structure, strata structure and burden condition of coal seam through exploration drill hole and parameters.

文中给出了矿山地层表面可视化模型的可行性算法，通过建立模型，可以较准确的描述矿山的地貌以及等高线的分布；通过比较目前地层表面的生成方法，采用不规则三角网生成算法，生成地层表面，同时利用规则三角网的方法来模拟三维地层表面，实现矿井三维模型的旋转、变换等功能。

Considering the triangulation algorithm based only on the determination of convex-concave vertices is restricted to simple polygons, this paper presents a triangulation algorithm for the general plane polygon GTP(General Triangulation of Polygons) based on determination of convex-concave vertices and connecting the outer border of a polygon with its inner borders.

摘 要：针对基于凹凸顶点判定的三角剖分算法适用范围有限的缺点，提出了将凹凸顶点判定与连接多边形内外边界相结合的适用任意平面多边形的三角剖分算法GTP(General Triangulation of Polygons)。

As the MSA Information System and the MSA Information System have put in operation, this paper is try to design and plan the electronic maritime endorsement system in Yangtze River Delta, emphasizing on the connection of the different information system.In principle, the Yangtze River Delta maritime endorsement system is a long project .It should be divided into several stages and set different objects for each stage .

鉴于交通部海事局全面启动和已部分实施&水监信息系统一期&工程和&水监信息系统二期&工程，本规划和设计选定长三角地区船舶电子签证系统规划和设计作为课题，着力研究在长三角地区率先实现不同海事机构签证信息系统的联网，从而使区域性海事一体化管理有了可能。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。