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跟踪式后续显著地震的模糊预测

TRACE TYPE FUZZY METHOD PREDICTIN FOLLOW-UP SIGNIFICANT EARTHQUAKES

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【作者】 林命周冯德益姚立虞雪君

【Author】 Lin Mingzhou; Feng Deyi; Yao Lixun; Yu Xuejun (Seismological Bureau of Shanghai City Shanghai 200062)(Seismological Bureau of Tianjin City, Tianjin 300201)(Seismological Bureau of Zhejiang Province,Hangzhou 310013)

【机构】 上海市地震局!上海200062天津市地震局!天津300201浙江省地震局!杭州310013

【摘要】 构思了一种跟踪式后续显著地震的模糊预测方法。以我国1996年以来的127个Ms≥5.0地震序列为原始资料样本,预先对地震类别序列作了模糊化处理,并以模糊聚类软划分为处理方法对样本进行了内检。结果表明,跟踪式报准率可达69%;自然语言含义下的跟踪式报对率达91%,效果比目前常用的方法有所提高,对显著地震发生后的趋势跟踪有一定实用价值。

【Abstract】 A trace type fuzzy method for Predicting follow-up significant earthquakes was worked out.Taking the seismic sequences of 127 earthquakes with Ms≥ 5. 0 since 1996 in China as the original samples of data, the inner-check was carried out for the samples by the processing method of fuzzy cluster soft division, and the fuzzy processing was conducted for earthquake categ0ry sequence beforehand.The inner-check results show that correct prediction rates both time and megnitude can be reached to 69 % and the trace type correct prediction rates under the meaning of natural language up to 91%, being more effective than usual method. This method is of some practical values for trend analysis after the occurrence of a significant earthquake.

  • 【文献出处】 华南地震 ,SOUTH CHINA JOURNAL OF SEISMOLOGY , 编辑部邮箱 ,1997年03期
  • 【分类号】P315
  • 【被引频次】2
  • 【下载频次】25
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