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| 时差对海洋磁力测量地磁日变改正的影响分析 | |
| 引用本文： | 王磊,边刚,任来平,吴太旗.时差对海洋磁力测量地磁日变改正的影响分析[J].海洋测绘,2011,31(6):39-41. |
| 作者姓名： | 王磊 边刚 任来平 吴太旗 |
| 作者单位： | 1. 91550部队,辽宁大连,116023 2. 海军大连舰艇学院海洋测绘科学与工程系,辽宁大连,116018 3. 海军海洋测绘研究所,天津,300061 |
| 摘 要： | 为研究时差对磁测的影响,基于站间同步地磁日变曲线的特征,尝试采用同步比对法和相关分析法计算两站的时差.结论表明:同步比对法和相关分析法能反映站间真实的时差,当测区范围较小时(至少是在本文实例的两个地磁日变站之间),时差对地磁日变改正的影响很小,海洋磁力测量地磁日变改正时可以忽略其影响. |
| 关 键 词： | 海洋磁力测量 地磁日变改正 时差 |
Analyse on Influence of Time Difference in Geomagnetic Diurnal Variation Correction |
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| WANG Lei,BIAN Gang,REN Lai-ping,WU Tai-qi.Analyse on Influence of Time Difference in Geomagnetic Diurnal Variation Correction[J].Hydrographic Surveying and Charting,2011,31(6):39-41. | |
| Authors: | WANG Lei BIAN Gang REN Lai-ping WU Tai-qi |
| Institution: | 1.91550 Troops,Dalian,Liaoning,116023;2.Department of Hydrography and Cartography,Dalian Naval Academy,Dalian,Liaoning,116018;3.Naval Institute of Hydrographic Surveying and Charting,Tianjin,300061) |
| Abstract: | Based on the characteristic of synchronous curve of geomagnetic diurnal variation,synchronous comparison method and correlation analysis method have been adopted to calculate time difference.Furthermore,influence caused by the time difference has been analyzed by the synchronous observed data.The conclusions show that time difference can be effectively obtained by synchronous comparison,when the survey area is less enough—less than the area discussed in this paper,influence caused by the time difference can be neglected. |
| Keywords: | marine magnetic surveys geomagnetic diurnal variation correction time difference |
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