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《Science of Surveying and Mapping》 2012-06
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A method of constructing instantaneous sounding model

LI Ning,PENG Ren-can,TIAN Zhen,CHEN Yi,DONG Jian(Department.of Hydrography and Cartography,Dalian Naval Academy,LIAONING Dalian 116018,China)  
Sounding is the basic data of presenting sea depth.The instantaneous sounding is one important influencing factor of navigation and military activities.But the current instantaneous sounding models had not considered the region-changing character of sounding.The paper proposed an instantaneous sounding model,using chart sounding data as static soundings and using forecasted water level based on residual water level correction as dynamic water.Experiments showed that the model realized the fast retrieval of instantaneous soundings,and could meet the needs of navigation and military activities in some degree.
【CateGory Index】: U675
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