| 增强型近地警告系统建模与报警仿真 |
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| 引用本文： | 宋东,周宇晗,叶浩.增强型近地警告系统建模与报警仿真[J].计算机仿真,2008,25(9). |
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| 作者姓名： | 宋东 周宇晗 叶浩 |
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| 作者单位： | 西北工业大学航空学院,陕西西安,710072 |
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| 摘 要： | 为了研究增强型近地警告系统(EGPWS)及其在抑制可控飞行事故中的应用,以仿真软件FLSIM为基础,构建了EGP-WS仿真的总体结构框架,阐述了报警模式算法、地形显示模块以及地形库数据间的通信机制.建立了七种报警模式的数学模型,提出了基于网格划分的地形库精度问题和存储问题的解决方案用于地形前视报警,设计了获取报警地形数据的有效方法,实现了基于VAPs的地形显示仿真.以报警模式2为例,进行建模、仿真和分析,证明了仿真算法是方便可靠,响应实时性好,结果与实际要求相符合.
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| 关 键 词： | 增强型近地警告系统 报警模式 前视地形报警 地形显示 |
Digital Simulation of Enhanced Ground Proximity Warning System |
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| SONG Dong,ZHOU Yu-han,YE Hao.Digital Simulation of Enhanced Ground Proximity Warning System[J].Computer Simulation,2008,25(9). |
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| Authors: | SONG Dong ZHOU Yu-han YE Hao |
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| Affiliation: | SONG Dong,ZHOU Yu-han,YE Hao(School of Aeronautics,Northwestern Polytechnical University,Xi'an Shanxi 710072,China) |
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| Abstract: | For researching the Enhanced Ground Proximity Warning System(EGPWS) and its application for preventing controlled flight accident,based on simulation software FLSEM,the thesis constructs the frame structure for EGPWS simulation,expounds communication mechanism among the warning modes' arithmetic,terrain display and terrain data.It builds a mathematic model for seven warning modes,puts forward problem solving methods in terms of terrain precision and storage based on grid partition for terrain awareness aler... |
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| Keywords: | EGPWS Warning modes Terrain awareness alerting Terrain display |
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