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《Engineering of Surveying and Mapping》 2006-05
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Investigation of method of processing daily change data in geomagnetic field

NIU Sui-wang~1,HAN Shao-hong~2,DING Shou~2(1.School of Surveying and Land Information Engineering,Henan Polytechnic University,Jiaozuo 454000,China;2.Xi'an Technical Division of Mapping and Surveying,Xi'an 710054,China)  
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.
【CateGory Index】: P318
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