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摘要
A simple and effective nonuniform fast Fourier transform algorithm is presented. The algorithm is based on the interpolation of the exponential function in the Fourier transform using efficient truncated expansion algorithms for band-limited functions. Examples regarding the far-field evaluation of nonuniformly spaced antenna arrays are provided, and the behavior of the approximation error is analyzed, to confirm the effectiveness of the method.
- 出版日期2017
