A new method for calibration of SAR images

被引：0
|
作者：
Engen, G [1 ]
Johnsen, H [1 ]
机构：
[1] NORUT IT, N-9291 Tromso, Norway
来源：
CEOS SAR WORKSHOP | 2000年 / 450卷
关键词：
D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
A methodology for calibration of Synthetic Aperture Radar (SAR) images is given based on combining first and second order statistics from ocean images. It is shown to be, compatible with transponders in accuracy, easy to use, and low cost operational. ERS-1 and ERS-2 data are used in this study to demonstrate the performance and potential of the methodology. An accuracy of 0.47dB is obtained from using only one ERS-2 image. Improvements of accuracy can be obtained by using several independent images. The method can be used to monitor and update the absolute calibration constant of spaceborne SAR images.
引用
收藏
页码：109 / 112
页数：4
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