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Dynamic Reconstructions in Synthetic Aperture Radar

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RNT - Rich and Nonlinear Tomography - a multidisciplinary approach

This talk aims to help facilitate and build on discussions initiated between SAR engineers and mathematicians in the RNT programme – to build a common understanding in some areas.  We will present the SAR data model which is used as the basis for image formation methods, highlight some of the assumptions and approximations this builds in (some of which may need to be addressed in the context of Rich and Nonlinear Tomography), and briefly introduce reconstruction approaches to image formation.  The main topic of the talk is the challenges and artefacts encountered due to moving targets. We show how a 4D tomographic reconstruction method can be adapted for focusing along-track target motion, producing a fine-resolution SAR video.

This talk is part of the Isaac Newton Institute Seminar Series series.

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