Chirp-Z Transform Based Interpolator Adaptation for Range Migration Correction
Conference: EUSAR 2008 - 7th European Conference on Synthetic Aperture Radar
06/02/2008 - 06/05/2008 at Friedrichshafen, Germany
Proceedings: EUSAR 2008
Pages: 4Language: englishTyp: PDFPersonal VDE Members are entitled to a 10% discount on this title
Derauw, Dominique; Barbier, Christian (Centre Spatial de Liège, Belgium)
In the frame of a Belgo-Argentinean agreement, we developed a prototype EnviSAT SAR processor. Using our background in SAR interferometry, we adapt our Chirp-Z transform based interpolator, used in image registration, to perform range migration correction. This adaptation leads to a Range-Doppler SAR focusing processor offering potentially scalable range sampling rate. In this paper, we describe the original interpolator, we present its adaptation and implementation inside Range-Doppler focusing process.