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中文摘要：
为提高终端空域飞行航线设计的安全经济性与自动化水平，对航线网络3D优化问题进行了研究。针对独立航线的优化问题，采用蚁群算法优化水平方向安全经济性航线；根据终端空域航线垂直剖面数据，提出一种基于核密度估计的3D航线垂直剖面优化方法。分析得到进离场航线网络优化次序原则，逐步优化各航线，最终实现航线网络的总体优化。通过西安／咸阳机场终端区的算例分析，表明该优化方法在保证航线安全经济性同时，运行效率有很大提高。
英文摘要：
In order to improve the safety efficiency and automation level of the design of flight path in terminal airspace, the optimization method of 3 D routes network is studied. In view of optimizing independent route, ant-colony algorithm is used to optimize safe and economic route horizontally. According to the vertical profile data of the routes in the terminal airspace, an optimal method of 3D routes vertical profile based on the kernel density estimation is presented. After the analysis, the principle of the optimization sequence in the arrival and departure routes, optimize the route gradually are obtained, and achievd total optimization of the route network ultimately. Example results show that to ensure the safety and economic efficiency of the route at the same time, the algorithm is not affected by the number of routes, and the operating efficiency is improved significantly.
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