Abstract—The paper introduces the use of Non-Uniform Fast Fourier Transform (NUFFT) routines in “complex ” (i.e., amplitude and phase) and phaseless Near-Field/Far-Field transformations. The use of those routines results computationally very convenient when non-regular field sampling prevents the use of standard FFTs. The attention is focused on a plane-polar acquisition geometry. Numerical and experimental results show the effectiveness of the developed algorithms. 1.
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Capozzoli et al. (2012) studied this question.
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