Abstract
With the development of drone technology, drones are gradually being applied in various industries. But with the increasingly complex electromagnetic environment, the impact of electromagnetic interference on drones is also gradually increasing. The GPS is one of the important components of unmanned aerial vehicles. This paper establishes a 1.58 GHz frequency band circularly polarized microstrip patch antenna model. It uses this model to simulate the coupling effect of UWB pulses on the front door of the GPS. UWB pulses with different polarization directions and incidence angles were selected for coupling simulation research. The results indicate that the coupling effect is closely related to the polarization direction and incident direction angle of the pulse, and the coupling signal spectra under different conditions are obtained. This result guides subsequent experiments on the coupling effect of UWB pulses on unmanned aerial vehicles and research on the coupling mechanism.
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