Unmanned aerial vehicle navigation decoy signal generation system

The invention discloses an unmanned aerial vehicle navigation decoy signal generation system, and relates to the technical field of navigation attack and defense, and the system comprises a satellite signal obtaining module which is used for obtaining a satellite ephemeris; the unmanned aerial vehicle detection module is used for detecting the position coordinates of the unmanned aerial vehicle to be decorated in real time; the signal processing module is used for determining a code phase, a carrier phase, a code frequency control word and a carrier frequency control word according to the satellite ephemeris and the position coordinates of the unmanned aerial vehicle to be decorated, and compiling a navigation message; the baseband signal generation module is used for generating a baseband satellite signal according to the code phase, the carrier phase, the code frequency control word, the carrier frequency control word and the navigation message; the frequency conversion module is used for performing up-conv