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基于时空影响域的地震网络动力学演化特征分析

DOI: 10.3969/j.issn.1005-3026.2015.09.004, PP. 1232-1236

Keywords: 地震网络,节点,,,模块度,演化

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Abstract:

为了研究地震网络的动力学行为,基于时空影响域的地震网络,分析以大地震发生时间为基点的网络的拓扑特征演化.结果发现:大地震发生前网络的规模和熵值较小,模块度较大;大地震发生后网络的规模变大,熵值跳变到相对大的值,模块度值达到极小值.同时分析了1992年地震网络的多参数拓扑特征演化,结果表明地震网络表现出一种内在的网络动力学行为.此外,发现从大地震发生前100d开始网络模块度振荡出现极大值,熵值振荡出现极小值,并呈现很好的负相关性.

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