• calibration
• drone
• high-beamwidth
• synthetic aperture radar
• UAV
• UAV-SAR systems

The thesis firstly questions about the applicability of current internal calibration methods, developed with classical SAR systems in mind, to UAV-SAR systems. The document goes on to elucidate and emphasize the significant differences that set apart air- and spaceborne systems from UAV-SAR systems, with simulated results backing up the claims. Then, a state-of-the-art internal calibration procedure designed for an airborne SAR system undergoes testing and analysis. Finally, theoretical progress is presented through comprehensive problem analysis, and innovative solutions are suggested.