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利用最大熵谱方法,对我省及邻区几个井孔的地下水动态多年观测资料进行了熵谱分析。结果显示,地下水动态变化除了1年及1年以内的短周期成分外,还存在着3年和10年左右的卓越周期成分。对这一周期结构的认识,有助于正确识别地震的中短期异常信息。
The maximum entropy spectrum method was used to analyze the entropy spectrum of groundwater dynamic multi-year observation data of several boreholes in the province and its adjacent areas. The results show that the dynamics of groundwater exist in addition to the short-period components within 1 year and 1 year, there are still excellent cycle components of 3 years and 10 years. The understanding of this periodic structure helps to correctly identify the short-term anomaly information of earthquakes.