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Spaceborne Synthetic Aperture Radar Remote Sensing
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calibration. However, because of coherent SAR imaging, the presence of speckles in radar images
makes it relatively difcult to identify point targets, with known geographic locations, that needed
for geometric and radiometric corrections. Moreover, polarimetric SAR systems have necessitated
an increasing interest in the remote sensing community, since they are able to provide much more
information than the conventional single polarization systems. There are several spaceborne
PolSAR missions already in space, such as RADARSAT- 2, TERRASAR- X, ALOS PALSAR, and
EOS-04, and hence reliable polarimetric calibration procedures and techniques are highly relevant.
Therefore, corner reectors ...