Conference paper
External polarimetric calibration of the Danish polarimetric C-band SAR
Results of applying two cross-talk removal algorithms (Klein's and Quegan's methods) based on natural distributed targets to the Danish polarimetric airborne SAR (EMISAR) are presented. Also, a new approach of obtaining robust estimates by the algorithms is proposed. The approach is based on a masking procedure using the cross-correlation between co- and cross-polarized returns.
The cross-talk estimated for the EMISAR data is low (below -30 dB), virtually independent of range, and stable between different acquisitions-within a mission and between missions. The cross-talk is reduced by 8 dB after correction to less than -38 dB.
| Language: | English |
|---|---|
| Publisher: | IEEE |
| Year: | 1994 |
| Pages: | 1105-1107 |
| Proceedings: | 1994 International Geoscience and Remote Sensing Symposium |
| ISBN: | 0780314972 and 9780780314979 |
| Types: | Conference paper |
| DOI: | 10.1109/IGARSS.1994.399357 |
| ORCIDs: | Skriver, Henning and Dall, Jørgen |
C-band microwave Calibration Danish polarimetric SAR Denmark EMISAR Klein Quegan Robustness SAR imagery SHF airborne radar calibration cross-correlation cross-polarized return cross-talk removal algorithm external polarimetric calibration geophysical measurement technique geophysical techniques land surface masking procedure natural distributed targets radar applications radar imaging radar polarimetry radar remote sensing remote sensing by radar side looking airborne SAR synthetic aperture radar terrain mapping
