15 April 2008 Fast CSAR algorithm
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Abstract
Fourier analysis based focusing of synthetic aperture radar (SAR) data collected during circular flight path is a recent advancement in SAR signal processing. Fast CSAR algorithm uses the Householder transform to obtain a ground plane circular SAR (CSAR) signal phase history from the slant plane CSAR phase history by inverting the linear shift-varying system model, thereby circumventing the need for explicitly computing a pseudo-inverse. The Householder transform has recently been shown to have improved error bounds and stability as an underdetermined and ill-conditioned system solver, and the Householder transform is computationally efficient.
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Jehanzeb Burki, Jehanzeb Burki, Christopher F. Barnes, Christopher F. Barnes, } "Fast CSAR algorithm", Proc. SPIE 6970, Algorithms for Synthetic Aperture Radar Imagery XV, 69700C (15 April 2008); doi: 10.1117/12.784526; https://doi.org/10.1117/12.784526
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