GNSS接收机自主完好性监测算法研究现状分析  

Analysis of GNSS receiver autonomous integrity monitoring algorithms

作　　者：李怀建[1] 尹超 杜小菁[1] 孙常特 Li Huaijian;Yin Chao;Du Xiaojing;Sun Changte(School of Aerospace Engineering,Beijing Institute of Technology,Beijing 100081,China;Beijing Electric Power Company,State Grid Corporation of China,Beijing 100031,China)

机构地区：[1]北京理工大学宇航学院,北京100081 [2]国网北京市电力公司,北京100031

出　　处：《战术导弹技术》2025年第1期126-135,共10页Tactical Missile Technology

摘　　要：随着GNSS的不断发展和广泛应用,其完好性监测的重要性也愈发体现,其中接收机自主完好性监测(RAIM)的研究成为重点。针对接收机自主完好性监测技术,介绍了其算法流程、算法可用性和算法性能指标。对接收机自主完好性监测算法的研究现状进行分析,介绍了单卫星故障下的基于连续型模型的RAIM算法、基于离散型模型的RAIM算法与非高斯噪声下的RAIM算法的研究现状,还介绍了多卫星故障RAIM算法、引入外界辅助信息的RAIM算法和提高RAIM算法可用性的相关研究。总结了当前研究存在的不足,展望了未来研究趋势。With the continuous development and wide application of GNSS, its integrity monitoring is becoming more and more important, and the research of Receiver Autonomous Integrity Monitoring(RAIM) has become the focus. Aiming at the Receiver Autonomous Integrity Monitoring technology, the algorithm flow,algorithm availability and algorithm performance metric are introduced. The research of Receiver Autonomous Integrity Monitoring algorithm is analyzed, and the research of RAIM algorithm based on continuous model under single satellite fault, RAIM algorithm based on discrete model and RAIM algorithm under nonGaussian noise is introduced. The RAIM algorithm for multi-satellite fault, the RAIM algorithm with external auxiliary information and the related research on improving the availability of RAIM algorithm are also introduced. The shortcomings of the current research are summarized and the future research trends are prospected.

关 键 词：GNSS 完好性 接收机自主完好性监测 卫星故障 非高斯噪声 RAIM算法 算法可用性 

分 类 号：P228[天文地球—大地测量学与测量工程]