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《Science of Surveying and Mapping》 2006-06
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Error analysis and prevention technique of quasi-geoid

ZHANG Chuan-yin~(①),DANG Ya-min~(①),CHAO Ding-bo~(②),WEN Han-jiang~(①),CHANG Xiao-tao~(①)(①Institute of Geodesy and Geodynamics,Chinese Academy of Surveying and Mapping,Beijing 100039,China;②The Key Laboratory of Geo-Space Environment and Geodesy,Ministry of Education,Wuhan 430079,China)  
The error analysis and precision evaluation are very important parts of local gravity field approach,and they are also the foundation of outwork scheme optimization,arithmetic design and quality estimation of engineering in geoid determination.Firstly,this paper presents the general law between error of gravity data and precision of geoid.Then,a new precision evaluation method of geoid is recommended by an adjustment model with gravity and GPS/Leveling data.Finally,some methods of error analysis of geoid and error prevention by instance and simulation are introduced.
【Fund】: 国家自然科学基金资助(40274003)
【CateGory Index】: P223
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