Optimum GMTI Processing for Space-based SAR/GMTI Systems - Theoretical Derivation
Konferenz: EUSAR 2010 - 8th European Conference on Synthetic Aperture Radar
07.06.2010 - 10.06.2010 in Aachen, Germany
Tagungsband: EUSAR 2010
Seiten: 4Sprache: EnglischTyp: PDF
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Autoren:
Cerutti-Maori, Delphine (Fraunhofer Institute for High Frequency Physics and Radar Techniques (FHR), Wachtberg, Germany)
Cerutti-Maori, Delphine; Sikaneta, Ishuwa (Defence Research & Development Canada (DRDC), Radar Systems, Ottawa, Canada)
Inhalt:
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).