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《Science of Surveying and Mapping》 2016-01
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Enlightenment of vertical datum transformation of USA

SHI Jianping;LOU Nan;OUYANG Guichong;YU Liang;Xi'an Division of Surveying and Mapping;  
In order to help realize the unification of land and sea vertical datum of China,the paper proposed to reference the conversion methods of vertical datum in USA.It elaborated the technical route,key technology and practical accuracy of the conversion by introducing the definition and realization of orthometric height datum,tide datum and three-dimension datum of USA,and summarized the cognition on the vertical datum and the enlightenment for China.The study result would provide a reference for related fields.
【CateGory Index】: P22
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