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首页> 外文期刊>The Journal of Navigation >Flying EGNOS Approaches in the Swiss Alps
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Flying EGNOS Approaches in the Swiss Alps

机译：在瑞士阿尔卑斯山飞行EGNOS进近

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The European Geostationary Navigation Overlay Service (EGNOS) system is being developed in Europe to provide Global Positioning System (GPS) and GLONASS regional augmentation services to aviation, maritime and land users. The EGNOS system, as any other Wide Area Augmentation System (WAAS), relies on the broadcast of differential correction and integrity information in the pseudo-range domain, which are then used to provide a solution in the position domain. EGNOS is a major element of the European Satellite Navigation Program, which is jointly being implemented by the Commission of the European Union, the European Space Agency (ESA) and Eurocontrol (the European Organisation for the Safety of Air Navigation). It is also the first European step to the GALILEO system. As part of the EGNOS validation activities, flight trials have been organised by ESA and the EGNOS Industrial Consortium at various locations in Europe during Spring 2005. To demonstrate the system capability in a challenging mountainous environment, tests have been conducted at Lugano airport in the Swiss Alps. Due to the difficult topography of the airport and its surroundings, the use of conventional ground based navigation aids present some limitations. For the trials, a new Satellite Based Augmentation System (SBAS) procedure has been designed to take advantage of the system flexibility. In particular, a reduction of the approach glide path angle has been achieved, potentially allowing more aircraft types to fly the approach than today. This article presents the operational benefits that could be obtained with the new test procedure. The very impressive EGNOS performance is also described in details, showing that it can support Approach Procedure with Vertical guidance (APV) operations even in a very challenging environment.
机译：欧洲正在开发欧洲对地静止导航覆盖服务（EGNOS）系统，以向航空，海事和陆地用户提供全球定位系统（GPS）和GLONASS区域增强服务。与任何其他广域增强系统（WAAS）一样，EGNOS系统也依赖于伪距域中的差分校正和完整性信息的广播，然后将其用于在位置域中提供解决方案。 EGNOS是欧洲卫星导航计划的主要组成部分，该计划由欧盟委员会，欧洲航天局（ESA）和Eurocontrol（欧洲航空安全组织）共同实施。这也是欧洲向GALILEO系统迈出的第一步。作为EGNOS验证活动的一部分，ESA和EGNOS工业联盟在2005年春季期间在欧洲的不同地点组织了飞行试验。为证明该系统在充满挑战的山区环境中的能力，已在瑞士的卢加诺机场进行了测试。阿尔卑斯山由于机场及其周围地区的地形困难，使用常规的地面导航辅助设备存在一些局限性。为了进行试验，设计了一种新的基于卫星的增强系统（SBAS）程序，以利用系统的灵活性。特别是，已经实现了进近滑行路径角的减小，与今天相比，潜在地允许更多类型的飞机驾驶进近。本文介绍了使用新测试程序可以获得的操作优势。还详细描述了令人印象深刻的EGNOS性能，表明即使在非常具有挑战性的环境中，它也可以支持带有垂直指导（APV）操作的进近程序。

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