Detection of buried targets under limited number of scans with a synthetic aperture radar

Radar remote sensing of buried targets is widely conducted with ground penetrating radars (GPRs). Synthetic aperture radars (SAR) are widely used for monitoring of disaster, forest coverage, and infrastructure. For future utilization of airborne or spaceborne SAR monitoring of buried target, we investigated how to identify buried target for limited number of scans with using two-dimensional scanning GPR with synthetic aperture radar technique inside the room (GPR-SAR). Experiment of the radar imaging of multiple targets, buried and on the surface is conducted. Compared with 2-D and 1-D scans, it is possible to identified buried target adjacent to another target on the surface with 1-D scan as well as 2-D one.