| 经验正交函数分解在地壳垂直形变场分析中的应用 |
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| 引用本文： | 崔笃信,刘文义.经验正交函数分解在地壳垂直形变场分析中的应用[J].地震,2000,20(3):82-86. |
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| 作者姓名： | 崔笃信 刘文义 |
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| 作者单位： | 中国地震局第二地形变监测中心,陕西,西安,710054 |
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| 基金项目： | 中国地震局“九五”科研攻关项目!( 95-0 4 )部分成果 |
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| 摘 要： | 论述了应用经验正交函数分解方法分析地壳垂直形变场，处理分析了甘肃河西地区的实测资料，结果表明，地壳垂直形变场的第一典型场对中强以上地震发震地点的判定有重要意义；而地壳垂直形场的时间权系数能够表示区域地壳运动的相对强弱，它可以作为区域地震危险性判定的时间判据。
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| 关 键 词： | 正交函数分数 垂直形变 地震前兆 形变场 |
Application of empirical orthogonal function resolution to analysis of crustal vertical deformation field |
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| CUI Du-xin,LIU Wen-yi.Application of empirical orthogonal function resolution to analysis of crustal vertical deformation field[J].Earthquake,2000,20(3):82-86. |
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| Authors: | CUI Du-xin LIU Wen-yi |
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| Abstract: | In this paper, the method analyzing crustal deformation using empirical orthogonal function resolution is described. The observed data in Hexi area in Gansu Province is processed. The results show that the first prototype filed is helpful to judge the strong earthquake location. The weighted coefficients can indicate relative intensity of regional crustal related movement. It is one of the time criterions of earthquake risk assessment. |
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| Keywords: | Empirical orthogonal function resolution Prototype field Vertical deformation Gansu Hexi area |
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