| 海城地震余震活动演化中的混沌行为 |
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| 引用本文： | 王安东,顾浩鼎.海城地震余震活动演化中的混沌行为[J].东北地震研究,1994(1). |
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| 作者姓名： | 王安东 顾浩鼎 |
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| 作者单位： | 辽宁省地震局 |
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| 摘 要： | 通过海城地震余震活动序列资料，根据相空间中余震活动的演化特征，余震活动的功率谱和非线性地震活动演化方程的迭代解详细地研究了余震活动的基本特征．结果显示，余震活动除了通常熟悉的平均的衰减和周期性行为之外，还存在同样显著的混沌行为．
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| 关 键 词： | 相空间 功率谱 非线性 混沌行为 |
CHAOS BEHAVIOUR IN AFTERSHOCK ACTIVITY EVOLUTION OF HAICHENG EARTHQUAKE |
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| Wang Andong Gu Haoding.CHAOS BEHAVIOUR IN AFTERSHOCK ACTIVITY EVOLUTION OF HAICHENG EARTHQUAKE[J].Seismological Research of Northeast China,1994(1). |
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| Authors: | Wang Andong Gu Haoding |
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| Abstract: | By the data of aftershock activity sequence of Haicheng earthquake,basiccharacteristics of aftershock activity have been studied in dedail,according to evolution fea-ture of aftershocks in phase space,power spectrum of seismicity,and iterative solution ofnonlinear evolution equation of seismicity.The results show that there exists obvious chaosbehaviour in aftershock activity besides usually familiar average behaviours of attenuationand periodicity. |
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| Keywords: | phase space power spectrum nonlineearity chaos behaviour |
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