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The Impact of Survey Ship Tilting on the Map Accuracy

YUAN Peng-jiang, SU Liang-jun (Harbin Municipal General Station for Hydrography and Water Resources Exploring, Harbin 150076,China)  
Through production experiences for many years and wit h the theory of mathematical statistics, the author analyses the causes for the su rvey ship tilting.Results show that the main elements are the speed of flow and wind.The author then studies the effect of ship tilting on the map accuracy and introduces some improving measures.
【CateGory Index】: P229.1
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