乾陵地震台FHD磁力仪与CB-3磁变仪记录资料的相关分析
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摘要
针对陕西省乾陵地震台FHD分量质子磁力仪和CB-3型三分向磁变仪的记录资料,利用线性相关性分析法,求出这两种仪器记录曲线的相关系数及剩余离散程度,定量分析其记录资料的相似程度,查看是否满足地震预报工作对资料连续性的要求。研究认为,两台仪器的观测数据一致性较高,两种资料延续衔接使用的可能性比较高。
Based on data recorded by FHD component proton magnetometer and CB-3 three-component variometer at Qianling Seismic Station in Shaanxi Province,the related degree coefficient and residual discrete degree for curves recorded by the two instruments are obtained with the correlativity analysis method in probability theory.Examination of quantitative analysis could therefore be done on aspects as similarity degree of the recorded data,whether these data can meet the requirements of material continuity in earthquake prediction,and information generality.Observation data of the two instruments uniform with each other greatly and are of relatively high possibility of continuous and cohesive application.
Based on data recorded by FHD component proton magnetometer and CB-3 three-component variometer at Qianling Seismic Station in Shaanxi Province,the related degree coefficient and residual discrete degree for curves recorded by the two instruments are obtained with the correlativity analysis method in probability theory.Examination of quantitative analysis could therefore be done on aspects as similarity degree of the recorded data,whether these data can meet the requirements of material continuity in earthquake prediction,and information generality.Observation data of the two instruments uniform with each other greatly and are of relatively high possibility of continuous and cohesive application.
引文
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陈颙,陈运泰,张国民,等.“十一·五”期间中国重大地震灾害预测预警和防治对策[J].灾害学,2005,20(1) :1-14．
国家地震局监测预报司.地震电磁数字观测技术[M].北京:地震出版社,2002．
冯志生,蒋延林,梅卫萍,等.观测时间对地磁绝对观测值的空间相关性影响研究[J].地震,2003,23(3) :126-130．
胡秀娟,李细顺,高登平,等.红山地磁台F值一致性的初步分析[J].地震地磁观测与研究,2009,30(增刊):20-23．
马宗晋.中国的地震减灾系统工程[J].灾害学,2005,20(2) :1-5．
邢西淳,毛娟.FHD21数字化地磁观测系统常见故障维修及电源改进[J].地震地磁观测与研究,2008,29(6) :126-133．
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