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Characterizing surface profiles utilizing mm-wave FMCW SAR imaging

 
: Barowski, J.; Pohle, D.; Jaeschke, T.; Pohl, N.; Rolfes, I.

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45th European Microwave Conference, EuMC 2015. Proceedings : 7-10 September 2015, Paris, France
London: Horizon House, 2015
ISBN: 978-2-8748-7039-2
pp.446-449
European Microwave Conference (EuMC) <45, 2015, Paris>
English
Conference Paper
Fraunhofer FHR ()

Abstract
In this paper the results from characterizing complex surface profiles with a synthetic aperture radar operating at frequencies up to approx. 250 GHz are presented. The radar uses a bandwidth of 38GHz and a maximum synthetic aperture of 40 cm times 40 cm and is thus rectangular and uniformly sampled. A fast parallel backprojection algorithm that can be used with general purpose GPUs is used for image reconstruction. The performance of the measurement system is evaluated with respect to the range- and cross-range-resolution as well as the overall measurement error on a given reference surface. Also the measurement performance on sharp edges is considered.

: http://publica.fraunhofer.de/documents/N-389349.html