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Application of AR Model in the Analysis of Preearthquake Ionospheric Anomalies

机译:AR模型在地震前电离层异常分析中的应用

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摘要

Earthquake ionosphere coupling phenomenon is one of the hot research topics using the Global Positioning System (GPS). Taking Lushan earthquake in April 2013 as an example, this paper firstly establishes ionosphere TEC models and determines the optimal model based on Autoregression model by analyzing the TEC values of the epicenter area detected by GPS. Then it makes predictions about the ionosphere data, obtains the background value, and conducts anomaly analysis by using the optimal model. Finally the correlation between ionosphere anomalies and earthquake is analyzed quantitatively by presenting data diagrams explicitly; then a new method to do short-term and imminent earthquake prediction is proposed in the end.
机译:电离层耦合地震是全球定位系统(GPS)的研究热点之一。以2013年4月庐山地震为例,首先建立电离层TEC模型,并通过分析GPS测得的震中区的TEC值,根据自回归模型确定最优模型。然后对电离层数据进行预测,获得背景值,并使用最佳模型进行异常分析。最后,通过明确显示数据图定量分析电离层异常与地震之间的相关性;最后提出了一种新的短期和即将发生的地震预报方法。

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  • 来源
    《Mathematical Problems in Engineering》 |2015年第18期|157184.1-157184.5|共5页
  • 作者单位

    Southwest Petr Univ, Sch Civil Engn & Architecture, Chengdu 610500, Peoples R China|Southwest Petr Univ, Sch Geosci & Technol, Chengdu 610500, Peoples R China;

    Southwest Petr Univ, Sch Geosci & Technol, Chengdu 610500, Peoples R China|Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Peoples R China;

    Southwest Petr Univ, Sch Civil Engn & Architecture, Chengdu 610500, Peoples R China;

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