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Chenchen Jiao, Xiaoxia Wan, Houpu Li and Shaofeng Bian
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Xiaoyong Li, Houpu Li, Guohui Liu and Shaofeng Bian
Compared with complex and lengthy Gauss-Krüger projection series expansions and real number expressions, we improve the complex function representation of Gauss-Krüger projections and rewrite them into the ?multiple Angle form?, ?exponential form?, and ?...
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Ruichen Zhang, Shaofeng Bian and Houpu Li
The digital elevation model (DEM) is known as one kind of the most significant fundamental geographical data models. The theory, method and application of DEM are hot research issues in geography, especially in geomorphology, hydrology, soil and other re...
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