| 海洋磁力测量中多站地磁日变改正基值归算 |
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| 引用本文： | 卞光浪,刘雁春,翟国君,边刚,于波.海洋磁力测量中多站地磁日变改正基值归算[J].海洋测绘,2009,29(6):5-8. |
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| 作者姓名： | 卞光浪 刘雁春 翟国君 边刚 于波 |
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| 作者单位： | 1. 海军大连舰艇学院,海测工程系,辽宁,大连,116018
2. 海军海洋测绘研究所,天津,300061 |
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| 摘 要： | 海洋磁力测量多站日变改正时，为了减小磁场水平差异的影响，需要进行地磁日变基值归算。分析了地磁日变化时空分布特点，研究了地磁日变基值对多站地磁日变改正时磁测的影响，提出了多站地磁日变基值归算方法。经地磁日变同步观测数据验证表明：一定空间范围内，各站地磁日变数据日平均值基本上呈同步变化，利用此方法归算得到的分站地磁日变基值稳定。
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| 关 键 词： | 海洋磁力测量 多站地磁日变改正 地磁日变基值归算 |
Base Value Reduction Methods with Multi-station Diurnal Variation Correction in Marine Magnetic Survey |
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| BIAN Guang-lang,LIU Yan-chun,ZHAI Guo-jun,BIAN Gang,YU Bo.Base Value Reduction Methods with Multi-station Diurnal Variation Correction in Marine Magnetic Survey[J].Hydrographic Surveying and Charting,2009,29(6):5-8. |
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| Authors: | BIAN Guang-lang LIU Yan-chun ZHAI Guo-jun BIAN Gang YU Bo |
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| Institution: | BIAN Guang-lang1,LIU Yan-chun1,ZHAI Guo-jun2,BIAN Gang1,YU Bo1(1.Department of Hydrography and Cartography Engineering,Dalian Naval Academy,Dalian,Liaoning,116018,2.Naval Institute of Hydrographic Surveying and Charting,Tianjin,300061) |
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| Abstract: | To diminish the difference between the geomagnetic field levels in marine geomagnetic surveys with multi-station,the base value of the secondary station must be reduced to the main station.Based on space distributing characteristic of diurnal variation,the effect of geomagnetic base value in magnetic survey is studied and a reduction method has been brought forward in this paper.The validity of these methods has been testified by the observed synchronous data of the multi-station.The conclusion shows that t... |
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| Keywords: | marine geomagnetic surveys the multi-station diurnal variation correction geomagnetic base value reduction |
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