Radar technology plays an important role in our daily lives with applications ranging from security screening for ensuring the safety of the public to structural health monitoring to name a few. In the field of subsurface sensing, Ground Penetrating Radar (GPR) is a key technology for detecting buried explosive threats, such as landmines and Improvised Explosive Devices (IEDs). The talk will be focused on GPR systems mounted on board Unmanned Aerial Vehicles (UAVs), leveraging the Synthetic Aperture Radar (SAR) paradigm to provide high-resolution radar images of the subsurface. This kind of system brings together the advantages of UAVs (e.g., enabling the inspection of difficult-to-access areas without interacting with the soil) and the capability of radar systems to detect buried targets. In this talk, several prototypes of UAV-mounted GPR-SAR systems tested in realistic scenarios will be presented, showing their success to detect buried threats in realistic scenarios. The current challenges and future trends of this technology will be also discussed.
IEEE
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