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科技导报  2014 

GBAS进近的误差修正与运行实施方法

DOI: 10.3981/j.issn.1000-7857.2014.36.016, PP. 98-103

Keywords: 地基增强系统,星基着陆系统,甚高频数据广播,最后航段数据块

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Abstract:

地基增强系统(GBAS)提高定位精度需要获得地面广播的各类定位误差修正值,通过分析传统的对流层误差修正算法,提出了区分大气干湿分量的对流层指数修正算法。通过实际的采样和计算验证可知,使用该算法能够较为明显地提高对流层修正误差的精度。探讨了地基增强系统进近飞行程序设计与实施方法,分析了地基增强系统进近的各种优势,提出了加快中国地基增强系统应用的建议。

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