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Slant Plane CSAR Processing Using Householder Transform

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2 Author(s)
Burki, J. ; Dept. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA ; Barnes, C.F.

Fourier analysis-based focusing of synthetic aperture radar (SAR) data collected during circular flight path is a recent advancement in SAR signal processing. This paper 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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Image Processing, IEEE Transactions on  (Volume:17 ,  Issue: 10 )