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针对利用陆基无线电导航系统实施区域导航(RNAV)运行时需要自动选择合理的导航台进行导航的要求,提出了一种考虑多因素的陆基无线电自动选台算法,并且采用两机场间的RNAV航路和周围DME导航台的信息,对RNAV航路阶段设计的考虑多因素的自动选台算法与考虑单一因素的选台算法结果进行对比和分析,并对所选的DME/DME区域导航精度进行验证。实验表明,提出的考虑多因素的陆基无线电自动选台算法可有效地选择较好的导航台,在及时切换为更好的导航台的同时能避免导航台切换频繁,最终实现飞机的精确定位,满足DME/DME区域导航性能要求。
Aiming at the requirement of automatically selecting reasonable navigation stations for navigation in the implementation of RNAV navigation system, a multi-factorial land-based radio automatic station selection algorithm is proposed, and RNAV Route and surrounding DME navigation stations, the multi-factorial automatic station selection algorithm designed for the RNAV route stage is compared with the station selection algorithm considering single factor, and the selected DME / DME area navigation accuracy is verified . Experiments show that the proposed multi-factorial land-based radio automatic station selection algorithm can effectively select a better navigation station, in time to switch to a better navigation station at the same time to avoid the navigation station to switch frequently, and ultimately the precise positioning of the aircraft , To meet DME / DME regional navigation performance requirements.