Abstract
Global Satellite navigation systems are widely used for their wide coverage and low operating costs. However, due to the use of MEO, IGSO and GEO satellites, the signal power received in land is low and susceptible to interference. Therefore, in order to ensure the normal use of GNSS, it is necessary to carry out research on the detection and positioning of navigation interference sources. In view of the problems of the existing ground interference source positioning equipments, such as weak maneuverability, small coverage, and high environmental dependence, this paper presents a design of a navigation interference source positioning system based on unmanned aerial vehicle(UAV), and researches its key technologies such as UAV trajectory planning. By carrying a direction-finding load on the UAV, interference sources can be located in the air. It has the advantages of strong maneuverability, large coverage, low environmental dependence, etc. It can quickly locate the interference source and is suitable for use in mountains, jungles and cities.
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