A coexisting unmanned aerial vehicle navigation deception system and method

Abstract

The present invention provides a co-existing unmanned aerial vehicle navigation deception system and method. The decoy system includes: a satellite search system for receiving real satellite signals and analyzing the real satellite signals, and the analyzed result data is transmitted to the deception signal generation control system The deception signal generation control system is used for the calculation of relevant parameters and the generation of deception signals; the signal transmission system sends the deception signal generated by the deception signal generation control system to the target UAV, and the receiver of the target UAV simultaneously captures and tracks the deception signal and real satellite signal; the spoof signal generation control system increases the power of the spoof signal to strip the real signal, and controls the tracking loop of the target UAV. The present invention coexists in the target receiver by generating synchronous false stars and stars in the sky. After the coexistence, the power of the spoofed signal is gradually increased, and the noise floor processed by the receiver is raised, resulting in the output signal of the real signal in the correlator of the receiver. The noise ratio is reduced, and the spoofing signal relies on the power advantage to gradually strip the real signal from the tracking loop, and then control the tracking loop to realize the spoofing of the flight direction and speed of the black flying drone.

Description

technical field [0001] The invention belongs to the technical field of navigation attack and defense, and in particular relates to a co-existing unmanned aerial vehicle navigation deception system and method. Background technique [0002] In recent years, the UAV industry has developed rapidly, and the application of UAVs has exploded in both military and civilian fields. Several incidents of black-flying drones interfering with flight flights have resulted in alternate landings, hundreds of flight delays, and tens of thousands of passengers being blocked and stranded at the airport. Therefore, from the perspectives of urban airspace security, terrorism prevention, and maintenance of public security, it is urgent to take strong control measures against black-flying or malicious black-flying UAVs. [0003] At present, most of the interference control methods for Heifei UAVs currently use high-power radio suppression interference methods, because this method is simple to oper...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the deficiencies of the prior art, and to provide a method and system for realizing fast access to the induction signal of the black flying UAV, that is, a co-existing UAV navigation signal spoofing method, which can effectively Solved the problems of low success rate, poor concealment and difficult implementation

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