The ERS-2 SAR Performance: Another Further Update

Details The ERS-2 SAR Performance: Another Further Update The ERS-2 SAR Performance: Another Further Update

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003esasp.526e...3m&link_type=abstract

Proceedings of CEOS Working Group on Calibration / Validation - SAR WORKSHOP (ESA SP-526). 24-26 September 2002, London, United

Computer Science

Performance

Scientific paper

The performance of the ERS-2 Synthetic Aperture Radar (SAR) is routinely assessed at the ESA Product and Archiving Facilities (PAFs) via a variety of quality assessment and calibration measures. This paper gives the latest ERS-2 SAR quality assessment and calibration results including updates to ERS-2 SAR internal calibration and stability, updates to the ERS-2 nominal replica pulse correction table, noise equivalent radar cross-section measurements and image localisation results. Equations are given for the calculation of distributed and point targets from PRI and SLC products. Also given are ERS-2 attitude and SAR Doppler variations following the change from three to one gyroscope operations in February 2000 and the change to gyro-less operations in February 2001.

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