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Design of Generative Simulator System Based on Broadband Carrier

As satellite signals are very susceptible to interference, currently aircraft mostly use 4-element and 7-element anti-jamming equipment to achieve satellite navigation and positioning. However, when the aircraft receives satellite signal in the factory building, the navigation signals radiated by the satellite signal repeater are easy to be resisted by anti-jamming equipment, which will cause the navigation receiver installed on the aircraft to be unable to work. To solve the problems, a generative simulator system based on broadband carrier is researched and designed. The system is based on broadband carrier technology, which realizes real-time radiating of navigation signals from outdoors to indoors. The signals are processed and re-modulated and then output for reception by antennas installed on the aircraft. The system not only solves the problem that the signal transmitted by the repeater station is easily suppressed by the anti-jamming equipment, but also has the advantages of low cost, easy erection and withdrawal, lightness, and adjustable signal power.