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《Geospatial Information》 2007-01
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Application of GPS-RTK Combined with Digital Echo Sounder to Surveying Reservoir Volume

HE Zhigang1,CAI Dong'an2,HU Yonghong3,YANG Bo1 (1. The Survey Bureau of Hydrology and Water Resource of Hanjiang, CWRC, Danjiangkou, Hubei 442700, China;2.Danjiangkou Source Tendering Company, Hanjiang Group, Danjiangkou,Hubei 442700,China;3. Fujian Youxi Drainage Basin Hydropower Development Co., Ltd., Youxi, Fujian 365100, China)  
Along with the appearance and the development of GPS-RTK and the digitization technology of measuring depth, and the rapid development of computer technology, they provide the basis of digitization and automatization for underwater topographic survey, in order to calculate reservoir volume. According to the engineering practicality, this paper introduces the makeup, working theory, work method of the full self-motion digital underwater topography system, analyses the survey precision and the error source.
【CateGory Index】: P228.4
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