1. SAR Techniques Group at the DLR and a Professor for Spaceborne Radar Systems, Karlsruhe Institute for Technology (KIT), Karlsruhe, Germany
2. Electrical Engineering, Karlsruhe Institute of Technology, Karlsruhe, Germany
3. Lecturer, Ulm University, Ulm, Germany
4. Microwaves and Radar Institute, German Aerospace Center (DLR), Oberpfaffenhofe, Germany
5. Microwaves and Radar Institute at DLR and a Full Professor, Karlsruhe Institute of Technology, Karlsruhe, Germany