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Proceedings Paper

Implementation of a fast time-domain processor for FMCW Synthetic Aperture Radar data
Author(s): Max Frioud; Peter Wellig; Stephan Stanko; Erich Meier
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Paper Abstract

For the purpose of getting sensitive information relevant to civil or military security, high-resolution airborne Synthetic Aperture Radar (SAR) provides the possibility to organize missions at short notice regardless of the daylight and of the weather conditions. The use of compact millimeter-wave FMCW SAR systems allows reaching these goals more safely and at lower cost using unmanned lightweight platforms. As a counterpart these platforms are relatively unstable, making the data-processing more difficult. In order to reach optimum focusing quality also in unfavorable flight conditions or for highly non-linear tracks we developed a fast Time-Domain Processor that relies on parallelization using the GPU resources. A production areal processing rate as high as 6 km2/h using 20 cm ground pixel spacing on a single PC station was achieved. The processing quality and efficiency is demonstrated using real data from the MIRANDA35 Ka-band SAR system.

Paper Details

Date Published: 15 October 2015
PDF: 8 pages
Proc. SPIE 9642, SAR Image Analysis, Modeling, and Techniques XV, 96420B (15 October 2015); doi: 10.1117/12.2194331
Show Author Affiliations
Max Frioud, Univ. Zürich (Switzerland)
Peter Wellig, Armasuisse (Switzerland)
Stephan Stanko, Fraunhofer Institute for High Frequency Physics and Radar Techniques FHR (Germany)
Erich Meier, Univ. Zürich (Switzerland)

Published in SPIE Proceedings Vol. 9642:
SAR Image Analysis, Modeling, and Techniques XV
Claudia Notarnicola; Simonetta Paloscia; Nazzareno Pierdicca, Editor(s)

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