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gabor
- 该代码仅计算了一个101×101尺寸的Gabor函数变换,得到均值和方差。代码采用两种卷积计算方式,从结果中可以看出,快速傅立叶变换卷积的效率是离散二维叠加和卷积的近50倍。 -The code is only the calculation of a 101 × 101 size Gabor function transformation, the mean and variance. Convolutional code using two methods of calculation
chap04
- ch4_1_1:矩形连续函数的傅立叶变换(§4.1.1) ch4_1_2:构建一个矩形函数(§4.1.2) ch4_1_3:对f进行二维快速傅立叶变换(§4.1.2) ch4_1_4:对f进行补零(区域大小为256×256),而后进行二维快速傅立叶变换(§4.1.2) ch4_1_5:使变换结果的零频率分量位于中心,调用函数fftshift(§4.1.2) -ch4_1_1: rectangular continuous function of the Fourier tra
FFT
- 快速二维傅立叶变换源代码:包含数组预处理,倒序算法以及复数运算 -Two-dimensional fast Fourier transform source code
pftpe
- fortran编写的解二维椭圆方程程序,周期性边界条件,快速傅立叶变换和解三对角矩阵。-Solutions of two-dimensional elliptic equation written in Fortran program, periodic boundary conditions, a fast Fourier Transform and tridiagonal matrices.
psncs.f
- fortran 77,解二维压力Poisson方程,余弦快速傅立叶变换,三对角矩阵,第一类边界条件。-fortran 77, the pressure-dimensional Poisson equation solution, cosine fast Fourier transform, tridiagonal matrix, the first boundary condition.
