| Delaunay三角剖分算法在地震烈度速报中的应用——以天津市强震台网为例 |
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| 引用本文： | 刘双庆,谢静,聂永安,卞真付,郭巍.Delaunay三角剖分算法在地震烈度速报中的应用——以天津市强震台网为例[J].地震地磁观测与研究,2011,32(5):115-122. |
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| 作者姓名： | 刘双庆 谢静 聂永安 卞真付 郭巍 |
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| 作者单位： | 中国天津300201 天津市地震局 |
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| 基金项目： | 宁复回族自治区科技厅攻关协作项目，浙江省科技厅协作项目 |
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| 摘 要： | 利用计算图形学中的Delaunay三角剖分算法及其对偶结构的Voronoi图算法,构建天津市强震台网的Delaunay三角网及Voronoi图.结果表明,Voronoi图可以较直观地显示台网的布局疏密,并为等震曲线绘制的合理性提供判断依据.
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| 关 键 词： | 强震台网 烈度速报 Delaunay算法 Monte Carlo方法 |
Application of delaunay triangulation in seismic intensity quick report:case study of Tianjin Strong Motion Network |
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| Liu Shuangqing,Xie Jing,Nie Yongan,Bian Zhenfu,Guo Wei.Application of delaunay triangulation in seismic intensity quick report:case study of Tianjin Strong Motion Network[J].Seismological and Geomagnetic Observation and Research,2011,32(5):115-122. |
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| Authors: | Liu Shuangqing Xie Jing Nie Yongan Bian Zhenfu Guo Wei |
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| Institution: | (Earthquake Administration of Tianjin Municipality, Tianjin 300201, China) |
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| Abstract: | The algorithms of Delaunay triangulation and its dual structure of the Voronoi diagram in the computation geometry are used to construct the Delaunay triangular network and Voronoi diagram for Tianjin Strong Motion Network. The researches indicate that the Voronoi diagram can intuitively display the distribution density of Tianjin Strong Motion Network, and can provide an exact judgment for the rationality of the isoseismic line. |
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| Keywords: | strong motion network intensity quick report delaunay algorithm monte carlo method |
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