摘要
为在信号跟踪阶段检测到北斗信号的欺骗式干扰,通过对跟踪阶段北斗导航信号系统模型的分析,提出基于信号功率异常检测(PTD)和基于多普勒频移检测(DOD)的欺骗干扰检测算法,来实现北斗接收机在信号跟踪阶段的欺骗干扰检测,以北斗软件接收机为实验平台,通过仿真验证了所提算法的有效性。
In order to detect spoofing attacks of Beidou navigation signals in the signal-tracking phase,we analyzed Beidou navigation signal system model in the tracking phase,then proposed the spoofing attacks algorithm based on power threshold detection(PTD)and Doppler offset detection(DOD),so as to realize spoofing attacks detection in the tracking phase by Beidou receiver.Simulations were implemented on the platform of Beidou software receiver,proving effectiveness of the proposed algorithm.
作者
张国利
张尧
田野
ZHANG Guoli;ZHANG Yao;TIAN Ye(The People’s Liberation Army 92941 Troops, Huludao 125000, China;College of Automation, Harbin Engineering University, Harbin 150001, China)
出处
《应用科技》
CAS
2019年第2期35-41,共7页
Applied Science and Technology
基金
国家自然科学基金项目(61633008)
关键词
北斗卫星导航系统
欺骗干扰
多普勒频移
功率异常检测
载噪比
检测概率
检测统计量
移动方差
Beidou satellite navigation system
spoofing attacks
Doppler shift
power threshold detection
carrier-to-noise ratio
detection probability
detection statistics
mobile variance
