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Yating Peng, Xiangxi Wen, Jiabin Kong, Yanling Meng and Minggong Wu
The study of airspace sector demarcation can help controllers to deal with complex air situations, provide reference for air traffic control services, reduce the workload of controllers, and ensure safe and efficient airspace operation. Based on complex ...
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Yingli Liu, Minghua Hu, Jianan Yin, Jiaming Su, Shuce Wang and Zheng Zhao
In view of the common U-shaped apron structure of large- and medium-sized airports at home and abroad, this study considered the optimization design and performance evaluation of the U-shaped apron operation procedure. First, by analyzing the physical st...
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Jianchen Zhang, Jiayao Wang and Heying Li
Incremental updating is an important technical method used to maintain the data of road networks. Topology conflict detection of multiscale road networks in incremental updating is an important link. Most of the previous algorithms focus on a single scal...
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Xiaoguang Zhou, Hongyuan He, Dongyang Hou, Rui Li and Heng Zheng
Refined topological relations play an important role in spatial database quality control. Currently, there is no unified and reasonable method to represent refined line/region and line/line topological relations in two-dimensional (2D) space. In addition...
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