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《Science of Surveying and Mapping》 2011-01
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Combination of Kriging and least squares collocation and its application in GPS height fitting

LI Jun-hai①②,WEN Han-jiang①,FANG Ai-ping①,LIU Huan-ling①②(①Chinese Academy of Surveying and Mapping,Beijing 100830,China;②School of Mapping and Geographic Science,Liaoning Technical University,Liaoning Fuxin 123000,China)  
Based on least squares collocation,a conversion method of GPS geodetic height to normal height using Kriging algorithm was proposed in this paper.It is studied that the variogram in the Kriging was used to calculate the covariance in the least squares collocation,and a local GPS leveling network height example was analyzed.By comparing the results from least squares collocation with that from the model of plane fitting and polyhedral function fitting,it was found that the accuracy of external coincidence improved from ±0.0277m to ±0.0162 m.
【Fund】: 国家自然科学基金(40874012);; 武汉大学地球空间环境与大地测量教育部重点实验室开放研究基金(07-05)
【CateGory Index】: P228.4
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【Citations】
Chinese Journal Full-text Database 4 Hits
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【Secondary Citations】
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1 HU Wu-sheng 1 ,HUA Xi-sheng 2 ,BAO Xing-nan 1 (1.College of Traffic and Transportation Engineering Southeast University,Nanjing210018,China;2.College of Civil Engineering,Hehai University,Nanjing210098,China;3.Jiangsu Institute of Survey;The Test Research on Neural Networks Model Used for Transforming GPS Height[J];Engineering of Surveying and Mapping;2002-03
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4 GUO Jin-yun~(①),~()CHANG Xiao-tao~(②),LIU Xin~(③)(①Department of Territory Information and Surveying Engineering,Xuzhou Normal University,Xuzhou,Jiangsu 221116,China;②Chinese Academy of Surveying and Mapping,Beijing 100039,China;③College of Geo-information Science and Engineering,Shandong University of Science and Technology,Qingdao,Shandong 266510,China);Study on GPS data preprocessing models onboard satellite[J];Science of Surveying and Mapping;2006-03
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9 LIU Da jie 1,2 , YAO Lian bi 1,2 , ZHOU Quan ji 3 (1.Tongji University, Shanghai 200092,China;2.Geodynamic Laboratory, Institute of Geodesy and Geophy sics,CAS, Wuhan 430077,China;3.The Third Institute of Surveying and Designing, Ministry;Fit Height Basis for GPS Leveling[J];ACTA GEODAETICA ET CARTOGRAPHIC SINICA;2000-S1
10 HU Wu-sheng 1, HUA Xi-sheng 2 , ZHANG Zhi-wei 1 (1. College of Traffic and Transportation Engineering, Southeast University, Nanjing 210096, China; 2. College of Civil Engineering, Hehai University, Nanjing 210098, China);Conversion of GPS Height in Plainness Area by the CF&NNM Method[J];Acta Geodaetica Et Cartographic Sinica;2002-02
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