IGARSS 2011, Vancouver [email protected]Octavio Ponce, Pau Prats , Marc Rodriguez-Cassola, Rolf Scheiber, Andreas Reigber Microwave and Radar Institute (HR) German Aerospace Center Processing of Circular SAR Processing of Circular SAR Trajectories Trajectories with Fast Factorized Back-Projection with Fast Factorized Back-Projection
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July 28th, 2011Microwaves and Radar Institute Slide 39
References
H. Oriot, H. Cantalloube, “Circular SAR imagery for urban remote sensing” ,EUSAR 2008.
A. Ishimaru, Chan, Kuga, “An Imaging Technique Using Confocal Circular Synthetic Aperture Radar”, IEEE Transactions on Geoscience and Remote Sensing, Vol. 36, No.5, Septemper 1998.
M. Soumekh, “Synthetic Aperture Radar Signal Processing with Matlab Algorithms”, John Wiley & Sons, Inc.
M. Pinheiro, P. Prats, R. Scheiber, M. Nannini, and A. Reigber, “Tomographic 3D reconstruction from airborne circular SAR,” in Geoscience and Remote Sensing Symposium, 2009 IEEE International, IGARSS 2009, 2009, vol. 3, pp. III–21 – III–24.
Lars M. H. Ulander and et. al., “Synthetic-Aperture Radar Processing Using Fast Factorized Back-Projection,” IEEE Transactions on Aerospace and Electronic Systems, vol. 39, no. 3, pp. 760–776, July 2003.
M. Rodriguez-Cassola, P. Prats, G. Krieger, and A. Moreira, “Efficient Time-Domain Focussing for General Bistatic SAR Configurations: Bistatic Fast Factorised Backprojection,” in European Conference on Synthetic Aperture Radar (EUSAR), Jun 2010.
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FFBP for CSAR – Computational Load
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Knab Pulse Band-Limited Interpolation
Knab, IEEE TIT, 1979
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Hardware
CPU GPU
Processor Intel® Xeon® Tesla® C2070
RAM 24GB 6GB
Cores 8 488
Clock 2.4GHz 1.15GHz
CC 2.0
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Acquisition Geometry
Integratedreflectivity
= reflectivityfunction
* transmitted radarsignal
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Experimental Results
IlluminationFlight Track
-60dB
0dB-6000
[m] 0
6000
-6000 0 6000 [m]
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FFBP for CSAR – 2D Spectrum Polar
0.70° 1.40° 2.81° 5.62° 11.25°
22.5° 45° 90° 180°
kkr
July 28th, 2011Microwaves and Radar Institute Slide 46