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Exploiting COSMO-SkyMed spotlight SAR images for GMTI applications

: Pastina, D.; Buratta, L.; Turin, F.; Cristallini, D.


Institute of Electrical and Electronics Engineers -IEEE-; China Institute of Electronics -CIE-:
Radar 2011, IEEE CIE International Conference on Radar. Proceedings. Vol.2 : Chengdu, China, 24. 27. October 2011
New York, NY: IEEE, 2011
ISBN: 978-1-4244-8441-6
International Conference on Radar <2011, Chengdu>
Fraunhofer FHR ()

The focus of the paper is on the exploitation of COSMO-SkyMed (CSK) spotlight SAR images for Ground Moving Target Indication (GMTI). To this purpose two moving target detection schemes are considered: the first is based on a bank of Chirp Scaling Algorithms (CSAs), each one matched to a different relative speed between the radar antenna and the target, and the second is based on Change Detection (CD) applied to sub-images obtained by splitting the overall aperture into sub-apertures. The application of the techniques to Single Look Complex (SLC) CSK spotlight SAR images shows the feasibility of a GMTI mode able to extract medium/high radar cross section moving targets even for single channel spaceborne systems.