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Descripción
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| Moving targets in SAR imagery appear blurred and shifted in azimuth. The detection of the cross-track motion of moving targets is usually based on its characteristic shifted echo in Doppler. Along-Track Interferometry (ATI) and Space Time Adaptive Processing (STAP) techniques are also used for this task. Unlike the cross-track motion, the detection of the along-track motion of moving targets is more problematic. In the Doppler-slow time map, the echo of such a target superposes on the Doppler bandwidth of the clutter. However, the slope of the Doppler chirp for a moving target with along-track speed is different from the one for a static target. In this paper, the detection of this along-track motion is based on the use of the Radon transform on the Doppler-slow time map. The explanation for the obtainment of the Doppler-slow time map and the limitations of the technique are also addressed. | |
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Internacional
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Si |
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Nombre congreso
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7th European Conference on Synthetic Aperture Radar, EUSAR 2008 |
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Tipo de participación
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960 |
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Lugar del congreso
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Friedrichshafen, Alemania |
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Revisores
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Si |
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ISBN o ISSN
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978-3-8007-3084-1 |
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DOI
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Fecha inicio congreso
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02/06/2008 |
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Fecha fin congreso
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05/06/2008 |
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Desde la página
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77 |
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Hasta la página
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80 |
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Título de las actas
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Proceedings EUSAR 2008 |