| GPS系统下RAIM算法可用性及结果分析 |
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| 引用本文： | 郭睿,唐波,陈刘成. GPS系统下RAIM算法可用性及结果分析[J]. 海洋测绘, 2007, 27(6): 40-44 |
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| 作者姓名： | 郭睿 唐波 陈刘成 |
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| 作者单位： | 61081部队,北京,100094;61081部队,北京,100094;61081部队,北京,100094 |
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| 摘 要： | 介绍了接收机自主完整性监测(RAIM)算法的故障检测及其可用性原理,结合航空用户对完好性需求,通过仿真计算,得到了GPS系统下不同截止高度角条件下、不同飞行阶段的RAIM算法的可用性结果,并且给出了中国区域内5°×5°格网点的RAIM最大和平均中断时间,分析了截止高度角、可视卫星个数和DOP值等因素对RAIM算法可用性的影响。
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| 关 键 词： | 全球定位系统(GPS) 接收机自主完整性监测(RAIM) HPL VPL |
| 文章编号： | 1671-3044（2007）06-0040-05 |
| 收稿时间： | 2007-05-15 |
| 修稿时间： | 2007-08-17 |
RAIM Availability and Its Results Analysis Under GPS |
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| GUO Rui,TANG Bo,CHEN Liu-cheng. RAIM Availability and Its Results Analysis Under GPS[J]. Hydrographic Surveying and Charting, 2007, 27(6): 40-44 |
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| Authors: | GUO Rui TANG Bo CHEN Liu-cheng |
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| Affiliation: | 61081 Troops,Beijing, 100094 |
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| Abstract: | This paper introduces RAIM fault detection algorithm and its availability principle.According to the requirements of aviation users,the availability and halt time of RAIM algorithm in China Area under GPS were obtained by simulation calculation.The influences of cut-off angle and visible satellites number and DOP value on RAIM availability were analyzed,some useful conclusions were obtained. |
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| Keywords: | global position system(GPS) receiver autonomous integrity monitoring(RAIM) HPL VPL |
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