Small UAV-based high resolution SAR using low-cost radar, GNSS/RTK and IMU sensors

This paper describes a small UAV-based SAR using low-cost 5-6 GHz radar, GNSS/RTK and IMU sensors for generation of high-resolution images. Measurements using straight as well as highly curved flight trajectories show range and cross-range lobe widths close to the theoretical resolution limits. An a...

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Bibliographic Details
Published in2020 17th European Radar Conference (EuRAD) pp. 186 - 189
Main Authors Svedin, Jan, Bernland, Anders, Gustafsson, Andreas
Format Conference Proceeding
LanguageEnglish
Published EuMA 10.01.2021
Subjects
airborne radar
Radar
Radar antennas
Radar imaging
Sensor systems
Sensors
Synthetic aperture radar
Trajectory
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Summary:This paper describes a small UAV-based SAR using low-cost 5-6 GHz radar, GNSS/RTK and IMU sensors for generation of high-resolution images. Measurements using straight as well as highly curved flight trajectories show range and cross-range lobe widths close to the theoretical resolution limits. An analysis of the improvements given by the use of attitude data is included.
DOI:10.1109/EuRAD48048.2021.00055