GPS欺骗干扰原理研究与建模仿真

Study and Simulation of GPS Deception Jamming

针对GPS欺骗干扰,分析了自主式与转发式干扰相关技术特点,重点研究了GPS转发式欺骗干扰的原理及实现方法,建立了GPS欺骗干扰对抗系统的主要数学模型,利用SYSTEMVIEW平台设计开发了GPS欺骗干扰仿真系统,通过仿真,验证了转发式欺骗干扰原理,给出了在一定干扰功率条件下转发误码率与干性比的关系,得到了各个转发信号的延迟量。所阐述的原理及仿真技术对于GPS欺骗干扰的分析与实现具有重要的参考作用。

This paper presents the GPS deception jamming, the characteristics of self-determination jamming and transmit jamming are analyzed , the theory and realization methods of GPS transmit jamming are especially studied. The main model of transmit jamming of GPS countermeasure system are established GPS countermeasure simulation system is built based on the SYSTEMVIEW software. Using simulation, the theory of deception jamming of GPS is testified , and some meaningful results are obtained too ,such as the relationship of transmit and jamming signal ratio based on a certain jamming power, and delay of each satellite signal. The theory and simulation technique is very useful for GPS deception jamming analyse and engineering realization.