云南地区地震活动能量场的时空分布特征
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摘要
本文运用随机函数理论,将云南地区地震活动能量场看作时间和空间的随机函数,用自然正交函数展开方法,研究地震活动区内主要典型能量场的时间权重系数变化曲线以及该典型能量场的空间等值线图。研究发现,目标曲线较大幅度的升、降变化预示了可能发生中强地震的时间段,而目标等值线图的疏密变化揭示了可能发生中强地震的区域。
The random function theory is used in the paper. Taking seismic energy field of the Yunnan region as random function of space and time, the time “weight” coefficients and the isogram of first several typical fields in the seismic region that are studied by the method of natural orthogonal function expansion. People have found that curve's values had upward and downward changes of large amplitudes with the time, when the moderate-strong earthquakes are going to occur, where are likely to befallen in the region of spacing isogram.
引文
高旭、李志雄,1992,我国大地震发生后继发强震的空间分布特征,中国地震,8(2),11~21。
    杨明芝、赵卫明,2004,宁夏及邻近地区地震活动能量场的统计分析,地震学报,26(5),516~522。
    郑熙铭、肖家鑫、林家逖,1998,地震前兆的演化和能量非线形聚集的关系,中国地震,14(1),74~80。

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