FHDZ-M15地磁组合观测系统OVERHAUSER探头对FGE探头的影响初探

英文篇名：Preliminary research on magnetic impact between the OVERHAUSER sensor and FGE sensor of the FHDZ-15 joint observing system
中文刊名：地震地磁观测与研究
英文刊名：Seismological and Geomagnetic Observation and Research
作者：吴琼 ; 王喜珍 ; 杨冬梅 ; 滕云田 ; 李德前 ; 王建伟 ; 吴利辉
英文作者：Wu Qiong1) ; Wang Xizhen1) ; Zhou Jinping1) ; Yang Dongmei1) ; Teng Yuntian1) ; Li Deqian2) ; Wang Jianwei3) and Wu Lihui1)1)Institute of Geophysics ; China Earthquake Administration ; Beijing 100081 ; China2)Wuhan Seismic Station ; Hubei Province 430071 ; China 3)Enshi Seismic Station ; Hubei Province 445000 ; China
中文关键词：地磁组合观测系统 ; 噪声水平 ; 影响水平
英文关键词：geomagnetic joint observing system ; noise level ; influence level
出版日期：2008-12-25
机构：中国地震局地球物理研究所;武汉地震台;恩施地震台;
年：2008
期：06
出版单位：地震地磁观测与研究

摘要

受记录室和观测系统自身因素的限制,FHDZ-M15地磁组合观测系统的OVERHAUSER磁力仪探头和FGE磁力仪探头相互之间存在一定的磁影响。本文在湖北省恩施地震台作了相互影响的模拟实验,结果表明,OVERHAUSER探头和FGE探头之间的相互影响与两者之间的距离和方位有关。当FGE探头和OVERHAUSER探头呈东西向放置时,影响水平较大,H分量表现更加明显,距离大于1.5m时,影响基本消失。
Under the condition of the record room and the observing system's own factors,the magnetic impact between the OVERHAUSER sensor and the FGE sensor must be exist. By the experiment in Enshi observatory,Hubei province,we can find that this kind of magnetic impact relates with the distance and the position between these two sensors. If they are follow the east-west direction,the level of influence is bigger,and the H component is more obviously. It is also found that as the distance is over 1.5 m,this influence is fade away.

引文

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