| 地磁场日变数据处理方法的探讨 |
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| 引用本文： | 牛遂旺,韩少红,丁硕.地磁场日变数据处理方法的探讨[J].测绘工程,2006,15(5):31-33. |
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| 作者姓名： | 牛遂旺 韩少红 丁硕 |
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| 作者单位： | 河南理工大学,测绘与国土信息工程学院,河南,焦作,454000;西安测绘信息技术总站,陕西,西安,710054 |
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| 摘 要： | 基于地磁场日变规律的基本特性,介绍利用最小二乘法对其日变规律进行具体的讨论,并对其拟合精度进行评定;就短时间内而言,该方法对日变规律的模拟与外推,具有推广应用价值.
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| 关 键 词： | 日变规律 最小二乘法 磁偏角 |
| 文章编号： | 1006-7949（2006）05-0031-03 |
| 收稿时间： | 2006-01-17 |
| 修稿时间： | 2006年1月17日 |
Investigation of method of processing daily change data in geomagnetic field |
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| NIU Sui-wang,HAN Shao-hong,DING Shou.Investigation of method of processing daily change data in geomagnetic field[J].Engineering of Surveying and Mapping,2006,15(5):31-33. |
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| Authors: | NIU Sui-wang HAN Shao-hong DING Shou |
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| Abstract: | Based on the fundamental properties of the law of daily change in geomagnetic field, the law of daily change in geomagnetic field is discussed concretely by use of least squares method, and its interpolated accuracy is evaluated. In regard to the short period, the method, by which the law of daily change is simulated and extrapolated, is easily applied and spread. |
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| Keywords: | law of daily change least squares method magnetic declination |
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