Bistatic VHF/UHF-band airborne SAR experiment

We present results from a bistatic SAR experiment conducted with two airborne radars operating in the band 222–460 MHz using HH-polarization. The systems used a step-frequency chirp waveform and were synchronized using GPS 1PPS signals. The processed and analysed data were collected during four flight missions over a test site including forested terrain and a controlled vehicle deployment. Results indicate that forest clutter decreases and target-to-clutter ratio increases in bistatic SAR with bistatic separation in elevation compared to monostatic SAR.