DLR German Aerospace Center, - Microwaves and Radar Institute, Oberpfaffenhofen, D-82234 Wessling, Germany, Wessling, 82234 Germany ; Technische Universtat Chemnitz, Elektrotechnik und Informationstechnik, Technische Universtat Chemnitz, Elektrotechnik und Informationstechnik, Reichenhainer Strasse 70, D-09107 Chemnitz, Germany, Chemnitz, 09107 Germany
Institute of Northern Engineering, University of Alaska Fairbanks, nstitute of Northern Engineering 455 Duckering Bldg, University of Alaska Fairbanks Fairbanks, AK 99775-5860, Fairbanks, 99775-5860 United States
DLR German Aerospace Center, - Microwaves and Radar Institute, Oberpfaffenhofen, D-82234 Wessling, Germany, Wessling, 82234 Germany
DLR German Aerospace Center, - Microwaves and Radar Institute, Oberpfaffenhofen, D-82234 Wessling, Germany, Wessling, 82234 Germany