紧组合下的GPS诱骗及其识别的仿真分析

韩震; 王养柱; 丁典

doi:doi:10.3969/j.issn.1671-637x.2018.02.009

电光与控制, 2018, 25 (2): 42, 网络出版: 2021-01-22

紧组合下的GPS诱骗及其识别的仿真分析

Simulation Analysis of GPS Spoofing and Its Recognition Based on Tightly Coupled Integrated Navigation

论文大纲

韩震王养柱丁典

作者单位

北京航空航天大学，北京100089

组合导航，紧组合 GPS诱骗卡方检测法 integrated navigation, tight coupling GPS spoofing Chi- Square verification method

摘要

基于SINS/GPS的紧组合模型, 对GPS施加转发式诱骗, 观测诱骗信号对导航参数的影响。仿真结果表明转发式诱骗可以影响紧组合的导航性能, 在具体使用中有必要对GPS是否发生诱骗进行实时检测。其次, 将卡方检验法应用于GPS诱骗识别方面, 对残差卡方检验法和状态卡方检验法进行了仿真分析, 仿真结果表明两种卡方检验法均可以有效识别出斜坡式以及阶跃式的GPS诱骗信号。

Abstract

Based on the tightly-coupled SINS/GPS integrated navigation model, a delay spoofing signal was applied to the GPS, and the influence of the spoofing signal on the navigation parameters was observed. The simulation results showed that, the spoofing signal can affect the performance of tightly-coupled navigation, and it is necessary to detect in real time whether the GPS signal is spoofed or not. And then, the Chi-Square verification method was applied to the GPS spoofing recognition, and the residual Chi-Square verification method and the state Chi-Square verification method were simulated and analyzed. The simulation results showed that both the two Chi-Square verification methods can effectively identify the slope and the step-type GPS spoofing signals.

参考文献

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韩震, 王养柱, 丁典. 紧组合下的GPS诱骗及其识别的仿真分析[J]. 电光与控制, 2018, 25(2): 42. HAN Zhen, WANG Yangzhu, DING Dian. Simulation Analysis of GPS Spoofing and Its Recognition Based on Tightly Coupled Integrated Navigation[J]. Electronics Optics & Control, 2018, 25(2): 42.

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