东北大学学报:自然科学版 ›› 2014, Vol. 35 ›› Issue (10): 1395-1399.DOI: 10.12068/j.issn.1005-3026.2014.10.007

• 信息与控制 • 上一篇    下一篇

基于时空影响域的地震网络构造方法

何璇,赵海,蔡巍,张娅   

  1. (东北大学 信息科学与工程学院, 辽宁 沈阳110819)
  • 收稿日期:2013-11-19 修回日期:2013-11-19 出版日期:2014-10-15 发布日期:2014-05-19
  • 通讯作者: 何璇
  • 作者简介:何璇(1986-),女,辽宁沈阳人,东北大学博士研究生;赵海(1959-),男,辽宁沈阳人,东北大学教授,博士生导师.
  • 基金资助:
    国家自然科学基金资助项目(60973022);中央高校基本科研业务费专项资金资助项目(N110304003).

Construction Method Based on TimeSpace Influence Domain for Earthquake Network

HE Xuan, ZHAO Hai, CAI Wei, ZHANG Ya   

  1. School of Information Science & Engineering, Northeastern University, Shenyang 110819, China.
  • Received:2013-11-19 Revised:2013-11-19 Online:2014-10-15 Published:2014-05-19
  • Contact: HE Xuan
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摘要: 针对地震系统表现出的时空复杂性,提出一种基于时空影响域的地震网络构造方法,根据震级的大小确定地震在时间和空间上的直接影响范围.实验结果表明,所提方法构造的地震网络在不同时间跨度下均表现出稳定的无标度特征,幂指数在1到2之间,节点的出入度呈现正相关性;网络的平均聚集系数在大地震来临之后迅速增大,然后随时间推移逐渐减小,最终恢复平稳;通过地震数据所构成的基于时空影响域的网络表现出一定的统计规律,可以帮助分析地震系统的内在联系.

关键词: 复杂网络, 地震网络, 时空影响域, 无标度, 聚集系数

Abstract: A construction method based on timespace influence domain for earthquake network was put forward for the seismic complexity in timespace. The range of direct effect was determined according to the magnitude of earthquake. The results showed that the proposed earthquake network, in which the power exponent was between 1 and 2, was scalefree in different time spans. And there was a positive correlation between indegree and outdegree of nodes. The average clustering coefficient increased quickly after main shocks, then decreased gradually as time went on and finally stayed stationary. The earthquake networks based on timespace influence domain, which presented certain statistical laws, could help scientists to analyze the internal mechanism of seismic system.

Key words: complex networks, earthquake networks, timespace influence domain, scalefree, clustering coefficient

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