| 地磁整10′位近零观测方法的适用性研究 |
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| 引用本文： | 邓娜,杨冬梅,何宇飞,杨艳芳.地磁整10′位近零观测方法的适用性研究[J].地震地磁观测与研究,2011,32(2):31-33. |
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| 作者姓名： | 邓娜 杨冬梅 何宇飞 杨艳芳 |
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| 作者单位： | 邓娜,杨艳芳,Deng Na,Yang Yanfang(中国武汉,430071,湖北省地震局);杨冬梅,何宇飞,Yang Dongmei,He Yufei(中国北京,100081,中国地震局地球物理研究所) |
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| 基金项目： | 由国家地磁台网中心承担的2010年度监测系统运维专项"全国地磁台网运行维护监督与观测质量监控管理"支持 |
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| 摘 要： | 针对"十五"地磁台网引进的秒级MINGEO DIM磁通门经纬仪的性能特点,结合台站地磁场背景值及仪器格值精度,对地磁整10′位近零观测方法的注意事项和约束条件进行系统分析,指出将MINGEO DIM磁通门经纬仪格值标定精度控制在不大于2‰的必要性及重要意义.
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| 关 键 词： | 近零观测方法 格值 精度 |
Study on the applicability of offset method at readings of tens minutes of arc in geomagnetic absolute measurement |
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| Deng Na,Yang Dongmei,He Yufei,Yang Yanfang.Study on the applicability of offset method at readings of tens minutes of arc in geomagnetic absolute measurement[J].Seismological and Geomagnetic Observation and Research,2011,32(2):31-33. |
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| Authors: | Deng Na Yang Dongmei He Yufei Yang Yanfang |
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| Institution: | 1) Earthquake Administration of Hubei Province, Wuhan 430071, China 2) Institute of Geophysics, China Earthquake Administration, Beijing 100081, China |
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| Abstract: | Base on the characteristics of the MINGEO DIM fluxgate theodolite introduced into the Chinese geomagnetic network during the tenth five year plan and the background value of the geomagnetic observatory, the applicability of offset method at readings of tens minutes of arc in geomagnetic absolute measurement was analyzed in this paper. The constraint on using this method was concluded and the importance to have scale value with precision not greater than 2‰ was pointed out. |
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| Keywords: | offset method scale value precision |
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