| 唐山7.8级地震叠加在年变背景上的形变异常 |
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| 引用本文： | 安维光.唐山7.8级地震叠加在年变背景上的形变异常[J].山西地震,1996(4):23-26. |
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| 作者姓名： | 安维光 |
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| 作者单位： | 山西省地震局 |
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| 摘 要： | 叙述了用月差值消除形变年变，突出唐山７．８级地震叠加在年变背景上异常的方法，指出这与使用周期函数进行拟合、回归分析、维纳滤波等处理后所显现的形变异常是一致的，表明月差值法是识别异常的一种行之有效的简便方法
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| 关 键 词： | 地形变异常 唐山地震 月差值法 |
Deformation Anomaly Superimposed on Annual Variation Background before the Tangshan |
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| M,Earthquake An Weiguang.Deformation Anomaly Superimposed on Annual Variation Background before the Tangshan[J].Earthquake Research in Shanxi,1996(4):23-26. |
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| Authors: | M Earthquake An Weiguang |
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| Institution: | Seismological Bureau of Shanxi Province |
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| Abstract: | A method of the anomaly superimposed on annual variation background before the Tangshan M7 8 earthquake stressed through the use of the monthly difference eliminating the annual variation of the deformation data is discussed,and it is showed that the result obtained from the method is coincident with the anomalies displaied through the use of the methods of periodic function fitting,regression analysis,Wienner filtering,and the monthly difference method is a effective and simple method identified anomaly. |
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| Keywords: | Ground deformation anomaly Tangshan earthquake Monthly difference method |
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