卫星导航欺骗信号检测技术研究

Research on Spoofing Signal Detection Technology for Satellite Navigation

在分析欺骗信号检测技术原理的基础上,研究了从接收机信号处理层面进行欺骗信号检测的可行性,并具体针对功率信号检测技术、多普勒一致性检测技术、电文信息检测技术及信号质量监测技术等反欺骗技术,进行了原理分析和检测统计量研究,对不同反欺骗技术开展了测试和结果分析,总结比较了不同反欺骗技术的应用场景和效果。这些技术可直接在接收机信号处理过程中实现,用于GNSS接收机的反欺骗设计。

Based on the analysis of the principle of spoofing signal detection technology,the feasibility of spoofing signal detection from the perspective of receiver signal processing is studied.The theoretical analysis and test statistics of anti-spoofing techniques,such as power signal detection,Doppler consistency detection,message information detection and signal quality monitoring,are carried out.Testing and result analysis of different anti-spoofing technologies are carried out,then application scenarios and effects of different anti-spoofing technologies are summarized and compared.These technologies can be directly implemented in the process of receiver signal processing,thus they can be used in the anti-spoofing design of GNSS receiver.