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A new polar Fourier transform for computer-aided tomography and spotlight synthetic aperture radar

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1 Author(s)
W. Lawton ; NOVON Partners, Cambridge, MA, USA

An algorithm for calculating the Fourier transform of certain discrete measures supported on a two-dimensional polar grid is described. The algorithm utilizes a modified Bluestein chirp algorithm to directly calculate the Fourier transform values over a rectangular grid. Applications to computer-aided tomography and spotlight synthetic aperture radar are described

Published in:

IEEE Transactions on Acoustics, Speech, and Signal Processing  (Volume:36 ,  Issue: 6 )