集成遗传算法及BP算法的潜在震源区划分
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摘要
以华南沿海地区为例,集成遗传算法与BP算法进行潜在震源区的划分. 用遗传算法辅助人工神经网络的设计,在无限的解空间中快速找到人工神经网络的最佳参数组合. 结果表明:由该分类系统划分出的不同震级上限的潜在震源区分布,反映了华南沿海地区地震环境与地震发生的内在规律性,从而减少了人的主观判断影响.
In this paper potential seismic sources in coastal region of South China are identified by integration of genetic algorithm and back propagation (BP) algorithm. GA is used for finding the best parameter combination rapidly in an infinite solution space for artificial neural networks (ANN). The results show that the distribution of potential seismic sources with different upper magnitude demarcated by this classifier is mostly satisfied the intrinsic relationship between seismic environment and earthquake occurrence, with less effect from subjective judgment of human being.
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