CONTRASTIVE ANALYSIS OF FLUXGATE MAGNETOMETER OBSERVATION AT HONGSHAN SEISMIS STATION
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摘要: 对2010-2012年红山地磁台2套相同厂家和型号的磁通门磁力仪GM4-1和GM4-2产出的数据进行背景噪声、基线值、预处理分数据和日均值几个方面的对比分析。结果显示:(1)两套仪器各分量日均值变化曲线形态一致性较好;(2)GM4-2各分量的噪声值和月剩余标准差值均大于等于GM4-1各分量的噪声值。(3)GM4-2仪器相对于GM4-1仪器灵敏度较低。分析的结果能较好地反映出2套仪器观测数据的内在质量,也能客观地反映出红山台各套仪器的工作状态及绝对观测对相对记录的控制水平。Abstract: Based on 2010-2012 observation at Hongshan seismic station,this paper compared background noise,baseline value,pre-processing sub-data and daily mean of the fluxgate magnetometer GM4-1 and GM4-2 which are the same manufacturer and model.The results show that: (1)the daily average change curves of each compound of the two sets of instruments are well consistent with each other; (2)the noise value and residual standard deviation values of each component of GM4-2 are greater than or equal to that of GM4-1; (3)The instrument sensitivity of the GM4-2 is lower than that of the GM4-1.
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[1] 纪加迎,夏忠,蒋延林,等.FHD分量质子磁力仪标定技术[J].华北地震科学,2013,31(3):35-40. [2] 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(S):20-23. [3] 王莉森,张云昌,边鹏飞,等.利用逐步回归分析红山地磁台观测数据质量[J].华北地震科学,2013,31(3):54-56. [4] 中国地震局.地震及前兆数字观测技术规范[M].北京:地震出版社,2001. [5] 郭建芳,王艳荣,王娜,等.昌黎地磁台数字仪与模拟仪数据比较[J].华北地震科学,2005,23(3):46-50. [6] 龚耀,赵俊香,朱培育,等.崇明地震台FGE磁通门磁力仪D分量基线值的确定[J].地震地磁观测与研究,2005,10(S):98-102. [7] 陈军,杨其明,郝长安,等.佘山地震台地磁模拟、数字观测资料的对比分析[J].地震地磁观测与研究,2005,26(S):92-96. -

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