Calculation of fourier coefficients of discrete functions using cubic splines
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摘要
Formulas are given for the calculation of the finite Fourier transform of a B-spline. These formulas are useful for the computation of Fourier coefficients of a function which is given at a discrete set of arbitrary points.
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论文评审过程：Available online 11 July 2006.
论文官网地址：https://doi.org/10.1016/S0377-0427(77)80010-1
