Title :
RADARSAT image quality and calibration performance-update
Author :
Srivastava, S.K. ; Banik, B.T. ; Adamovic, M. ; Hawkins, R.K. ; Lukowski, T.I. ; Murnaghan, K.P. ; Jefferies, W.C.
Author_Institution :
RADARSAT Oper., Canadian Space Agency, Ottawa, Ont., Canada
Abstract :
This paper reviews image quality and radiometric calibration aspects of the first two years of operation of RADARSAT. This includes the initialization of almost all beams, stability and calibration accuracies achieved during the mission to date. In September 1997, RADARSAT underwent a major configuration change to accommodate the Antarctic Mapping Mission for a period of about five weeks. To achieve this, the spacecraft was rotated to allow imaging from a left-looking geometry. The image quality and calibration results for the left-looking mode are also discussed
Keywords :
calibration; geophysical techniques; glaciology; hydrological techniques; remote sensing by radar; spaceborne radar; synthetic aperture radar; Antarctic Mapping Mission; RADARSAT; SAR; beam initialization; calibration performance; geophysical measurement technique; glaciology; image quality; land surface; left-looking geometry; left-looking mode; polar ice sheet; radar remote sensing; radiometric calibration; spaceborne radar; synthetic aperture radar; terrain mapping; Antarctica; Calibration; Contracts; Image quality; Qualifications; Radiometry; Remote sensing; Space technology; Space vehicles; Stability;
Conference_Titel :
Geoscience and Remote Sensing Symposium Proceedings, 1998. IGARSS '98. 1998 IEEE International
Conference_Location :
Seattle, WA
Print_ISBN :
0-7803-4403-0
DOI :
10.1109/IGARSS.1998.702244
