Design and Implementation of a FMCW GPR for UAV-based Mine Detection

Ground Penetrating Radar (GPR) is one of the tools supporting mine detection. In this contribution a wide-band frequency modulated continuous wave (FMCW) GPR from 1 GHz to 4 GHz in a bistatic configuration is presented. This radar is designed so that it can be mounted on an unmanned aircraft vehicle (UAV). A compromise between weight, size, power consumption and penetration depth is found. The realization of the radar by means of frequency band splitting is presented. The merging of the two frequency bands is evaluated by measurements. The radar has been successfully integrated on a UAV and first measurements over a test field from the flight are presented.