高原通导设施覆盖范围计算方法及可视化实现

doi:10.16265/j.cnki.issn1003-3033.2021.04.015

中国安全科学学报 ›› 2021, Vol. 31 ›› Issue (4): 111-118.doi: 10.16265/j.cnki.issn1003-3033.2021.04.015

高原通导设施覆盖范围计算方法及可视化实现

宋韬¹ 讲师, 夏正洪¹ 副教授, 万健² 高级工程师, 朱新平¹ 副教授, 李阳¹ 助理研究员

1 中国民用航空飞行学院空中交通管理学院,四川德阳 618307;
2 中国民航科学技术研究院,北京 100028

收稿日期:2021-01-16 修回日期:2021-03-14 出版日期:2021-04-28 发布日期:2021-12-20
作者简介:宋韬 (1989—),男,四川成都人,硕士,讲师,主要从事航空导航定位及组合导航数据处理方面的研究。E-mail: 850418941@qq.com。
基金资助:
国家自然科学基金委员会与中国民用航空联合项目资助(U1733105);四川省科技计划项目(2020YFS0541);四川省中央引导地方科技发展专项项目(2020ZYD094);中国民航飞行学院科研基金面上项目(J2021-118)。

Calculation methods and visualization for coverage area of communication and navigation facilities in plateau region

SONG Tao¹, XIA Zhenghong¹, WAN Jian², ZHU Xinping¹, LI Yang¹

1 School of Air Traffic Management, Civil Aviation Flight University of China, Deyang Sichuan 618307, China;
2 China Academy of Civil Aviation Science and Technology, Beijing 100028, China

Received:2021-01-16 Revised:2021-03-14 Online:2021-04-28 Published:2021-12-20

摘要/Abstract

摘要： 为提升高原地区通信导航设施有效覆盖范围的计算精度及保障能力,提出空间波传播距离严密算法及障碍物遮蔽点判定迭代算法。上述算法综合考虑电磁波发射与接收端标高、障碍物标高及位置、地球曲率等因素的影响,并通过计算机程序实现复杂地形条件下电磁波最远传播距离的精确解算,以及陆基导航设施覆盖范围计算和可视化分析。研究结果表明:所提严密算法可提升高原地区复杂地形条件下通导设施电磁波最远传播距离的计算精度,而迭代算法可准确筛选出对电磁波最远传播距离产生直接影响的障碍物遮蔽点位置,从而提升所得结果的可信度;根据上述算法并结合CAD技术研发的通导设施电磁波覆盖范围可视化计算软件,能够实现高原地区通导设施周边相关航线信号覆盖范围的精确计算和自动成图。

关键词: 高原地区, 通信导航设施, 覆盖范围, 严密算法, 迭代算法, 计算精度

Abstract: In order to improve calculation precision of effective coverage area and support capacity of communication and navigation facilities in complex terrain of plateau region, strict algorithm for operation range of space wave and iterative algorithm for determination of obstacle shelter points were proposed. With consideration to comprehensive influence of various factors, including elevation of transmitting and receiving terminals, the position and elevation of obstacles and the curvature of the earth, these algorithms, by designing computer programs, could precisely resolve maximum transmission distance of electromagnetic wave and achieve accurate calculation and visual analysis for coverage area of ground-based communication and navigation facilities in complex terrain of plateau region. The results show that the proposed strict algorithm can improve calculation precision of maximum range of electromagnetic wave while iterative algorithm can accurately define position of obstacle shelter points which have a direct impact on the maximum transmission distance, thus improving credibility of calculation results. Moreover, visualization calculation software developed according to algorithms above and combined with CAD technology can precisely calculate and automatically map actual guarantee range of related air lines around facilities in plateaus.

Key words: plateau region, communication and navigation facilities, coverage area, strict algorithm, iterative algorithm, calculation precision

中图分类号:

X949

宋韬讲师, 夏正洪, 万健, 朱新平, 李阳助理研究员. 高原通导设施覆盖范围计算方法及可视化实现[J]. 中国安全科学学报, 2021, 31(4): 111-118.

SONG Tao, XIA Zhenghong, WAN Jian, ZHU Xinping, LI Yang. Calculation methods and visualization for coverage area of communication and navigation facilities in plateau region[J]. China Safety Science Journal, 2021, 31(4): 111-118.

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高原通导设施覆盖范围计算方法及可视化实现

Calculation methods and visualization for coverage area of communication and navigation facilities in plateau region

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