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《Engineering of Surveying and Mapping》 2005-01
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New understanding on the EDM trigonometric leveling of leveling type

JIANG Chen-guang, ZHU You-guo JIANG Zu-bin, LIU Gui-fang, LIU Hua ( Southern Yangtze University, Wuxi 214036, China; Guliu Territorial Resources Management Center of Laiyang City, Laiyang 265202, China; Heluo Territorial Resources Management Center of Laiyang City, Laiyang 265206, China)  
Some theoretical shortcomings exist in the traditional method of EDM trigonometric leveling of leveling type. This theoretical shortcomings resulted in lower of the surveying precision of EDM trigonometric leveling of leveling type . According to the principle of the spherical geometry, this paper approaches the principle of the EDM trigonometric leveling of leveling type. It gives accurate calculation formula of the EDM trigonometric leveling. Also it gives practical calculation formulas of the EDM trigonometric leveling of leveling type.
【CateGory Index】: P224.2
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