| 用边长变化结果计算地应变及块体划分 |
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| 引用本文： | 伍吉仓,邓康伟,陈永奇.用边长变化结果计算地应变及块体划分[J].大地测量与地球动力学,2002,22(4):35-38. |
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| 作者姓名： | 伍吉仓 邓康伟 陈永奇 |
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| 作者单位： | 1. 香港理工大学土地测量与地理资讯学系,香港;同济大学测量与国土信息工程系,上海,200092
2. 香港理工大学土地测量与地理资讯学系,香港 |
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| 基金项目： | 中国香港特别行政区研究基金委员会资助项目 (代码 :PolyU5 0 73 /0 0E) |
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| 摘 要： | 在均匀应变的假设下，给出了由边长变化求解地应变的新方法，通过统计检验相邻三角形的最大主应变，可判别相邻测点是否位于同一个均匀应变体上，采用弹性位错理论设计的模拟算例表明，该方法能成功地将位于断层两侧的测量点分辨开。
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| 关 键 词： | 地应变 边长变化 弹性位错模型 块体划分 断层 GPS |
| 文章编号： | 1671-5942(2002)04-0035-04 |
| 修稿时间： | 2002年9月5日 |
STRAIN CALCULATION BASED ON BASELINE LENGTH CHANGES AND DIVISION OF TECTONIC BLOCKS |
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| Wu Jicang\\{,\},Conrad Tang\\{\} and Chen Yongqi\\{\} Dept. of Land Surveying and Geo Informatics,The Hong Kong Polytechnic University,Hong Kong Dept. of Surveying,Tongji University,Shanghai\.STRAIN CALCULATION BASED ON BASELINE LENGTH CHANGES AND DIVISION OF TECTONIC BLOCKS[J].Journal of Geodesy and Geodynamics,2002,22(4):35-38. |
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| Authors: | Wu Jicang\\{ \} Conrad Tang\\{\} and Chen Yongqi\\{\} Dept of Land Surveying and Geo Informatics The Hong Kong Polytechnic University Hong Kong Dept of Surveying Tongji University Shanghai\ |
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| Institution: | Wu Jicang\+\{1,2)\},Conrad Tang\+\{1)\} and Chen Yongqi\+\{1)\} 1) Dept. of Land Surveying and Geo Informatics,The Hong Kong Polytechnic University,Hong Kong 2) Dept. of Surveying,Tongji University,Shanghai\ 200092 |
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| Abstract: | In this paper a method is proposed for calculating strains based on baseline length changes. A statistical test of strains of adjacent triangles is formulated to determine whether the adjacent measure points are located on the same tectonic blocks. By using the dislocation model, a simulated example is designed and shows that the proposed method can divide the measure points into different tectonic blocks successfully. |
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| Keywords: | distance changes strains dislocation model division of tectonic blocks |
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