NUFFT_code
代码说明：
一种标准的插值或“网格化”方案，基于高斯原理，无需预先计算就可以提高运算速度以及插值权重。(Nonuniform FFTs of the types discussed here are based, in essence, on combining some interpolation scheme with the standard FFT.)
文件列表：
NUFFT_code\fgg_1D_experiment.m, 2301 , 2009-10-13
NUFFT_code\FGG_1d_type1.m, 9561 , 2009-10-13
NUFFT_code\fgg_2D_experiment.m, 2575 , 2009-10-13
NUFFT_code\FGG_2d_type1.m, 10674 , 2009-10-13
NUFFT_code\fgg_3D_experiment.m, 2679 , 2009-10-13
NUFFT_code\FGG_3d_type1.m, 12269 , 2009-10-13
NUFFT_code\FGG_Convolution1D.c, 6805 , 2009-10-13
NUFFT_code\FGG_Convolution1D_type2.c, 6680 , 2009-10-13
NUFFT_code\FGG_Convolution2D.c, 8175 , 2009-10-13
NUFFT_code\FGG_Convolution2D_type2.c, 8283 , 2009-10-13
NUFFT_code\FGG_Convolution3D.c, 9763 , 2009-10-13
NUFFT_code\FGG_Convolution3D_type2.c, 9819 , 2009-10-13
NUFFT_code\iFGG_1d_type2.m, 6538 , 2009-10-13
NUFFT_code\iFGG_2d_type2.m, 8322 , 2009-10-13
NUFFT_code\iFGG_3d_type2.m, 7974 , 2009-10-13
NUFFT_code, 0 , 2015-03-27
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