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bei jing ta yuan jing shui wei duan lin yu bao zhi biao de yan jiu
Author(s): 
Pages: 179-187
Year: Issue:  2
Journal: Seismology and Geology

Keyword:  水位气压系数水位残差均方差北京水位短临预报;
Abstract: 对塔院井3年水位、气压、固体的逐时值进行一系列数据处理,并用三角多项式拟合以消除年周期影响,把水位日气压系数和水位残差日均方差的余差作为塔院井短临预报指标,改进了水位前兆异常的提取方法。同时用熵的概念对这两个参数做出较客观的评价,计算出它们的前兆效益水平分别达到0.65和0.59,说明其较好的反映了地震的前兆信息。
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