Title :
A high-resolution, four-band SAR Testbed with real-time image formation
Author :
Walker, Bruce ; Sander, Grant ; Thompson, Marty ; Burns, Bryan ; Fellerhoff, Rick ; Dubbert, Dale
Author_Institution :
Sandia Nat. Labs., Albuquerque, NM, USA
Abstract :
This paper describes the Twin-Otter SAR Testbed developed at Sandia National Laboratories. This SAR is a flexible, adaptable testbed capable of operation on four frequency bands: Ka, Ku, X, and VHF/UHF bands. The SAR features real-time image formation at fine resolution in spotlight and stripmap modes. High-quality images are formed in real time using the overlapped subaperture (OSA) image-formation and phase gradient autofocus (PGA) algorithms
Keywords :
airborne radar; geophysical equipment; geophysical techniques; radar equipment; radar imaging; remote sensing by radar; synthetic aperture radar; Ka-band; Ku-band; SAR Testbed; SHF; Sandia National Laboratories; Twin-Otter; UHF radar; VHF radar; X-band; airborne radar; geophysical equipment; instrument; land surface; overlapped subaperture algorithm; phase gradient autofocus; radar imaging; radar remote sensing; real-time image formation; synthetic aperture radar; terrain mapping; Aircraft; Calibration; Frequency; Image quality; Image resolution; Laboratories; Phase measurement; Polarization; Synthetic aperture radar interferometry; Testing;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 1996. IGARSS '96. 'Remote Sensing for a Sustainable Future.', International
Conference_Location :
Lincoln, NE
Print_ISBN :
0-7803-3068-4
DOI :
10.1109/IGARSS.1996.516827
