Title :
SASAR external polarimetric calibration considerations
Author_Institution :
Aerotek, CSIR, Pretoria, South Africa
Abstract :
SAR polarimetric calibration at frequencies below 150 MHz presents unique challenges when compared to the higher frequency calibration procedures. Low frequency clutter based and point target calibration issues are discussed in this paper
Keywords :
airborne radar; calibration; geophysical equipment; geophysical techniques; radar equipment; radar polarimetry; remote sensing by radar; synthetic aperture radar; 30 to 150 MHz; SAR; SASAR; SASAR-1; South African VHF SAR system; VHF radar; calibration; geophysical measurement technique; land surface; low frequency clutter; point target calibration; radar polarimetry; radar remote sensing; synthetic aperture radar; terrain mapping; Africa; Backscatter; Calibration; Costs; Frequency; Plasma properties; Polarization; Radar clutter; Radiometry; System testing;
Conference_Titel :
Geoscience and Remote Sensing, 1997. IGARSS '97. Remote Sensing - A Scientific Vision for Sustainable Development., 1997 IEEE International
Print_ISBN :
0-7803-3836-7
DOI :
10.1109/IGARSS.1997.609198
