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Modeling fast boat motion impact on satellite SAR MTI systems
Ceba Vega, Francisco; Makhoul Varona, Eduardo; Broquetas Ibars, Antoni; Zhan, Yu; Beaton, Alasdhair
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. RSLAB - Grup de Recerca en Teledetecció
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This letter analyzes the problems of imaging small and fast boats with synthetic aperture radar (SAR), which may experience severe defocusing and/or smearing. This situation is encountered, inter alia, in ocean traffic monitoring and surveillance applications where the detection of small and fast vessels is of great interest. The target modeling and impact of moving vessels in SAR images are presented and discussed using simulated results. A matched filter bank is used before applying moving target indication techniques over multichannel SAR images, refocusing the target signal in the azimuth domain and enhancing the detectability of these types of vessels.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Radar
Syntethic aperture radar
Matched filter bank (MFB)
Moving target indication (MTI)
Ocean surveillance
Radar detection
Spaceborne radar (SBR)
Synthetic aperture radar (SAR)
Radar d'obertura sintètica

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