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Optimum GMTI processing for space-based SAR/GMTI systems - Theoretical derivation

: Cerutti-Maori, D.; Sikaneta, I.

Informationstechnische Gesellschaft -ITG-:
EUSAR 2010, 8th European Conference on Synthetic Aperture Radar. CD-ROM : 7 - 10 June 2010, Aachen, Germany
Berlin: VDE-Verlag, 2010
ISBN: 978-3-8007-3272-2
4 S.
European Conference on Synthetic Aperture Radar (EUSAR) <8, 2010, Aachen>
Fraunhofer FHR

This paper derives two processing methods for optimum SAR/GMTI (Ground Moving Target Indication). The first method, EDPCA (Extended Displaced Phase Center Antenna) extends the well-known DPCA (Displaced Phase Center Antenna) and ATI (Along-Track Interferometry) processing to three or more receive channels. The second method, ISTAP (Imaging Space Time Adaptive Processing), is based on coherent integration of the Post-Doppler STAP (Space Time Adaptive Processing) outputs to increase the target SNR (Signal-to-Noise Ratio).