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我读入了三列数据,所以我有一个 N x 3 数组;前两列是x和y,空间,第三列是值delta。我想得到这个数据的二维快速傅立叶变换,所以,我有 N x 3 数组,从data导入,fftpackscipy
x
y
delta
data
fftpack
scipy
f = fftpack.fft2(data)
我看着f。fN x 3 数组中的哪一列是变换的值,哪一列是 k_x 和 k_y ?
f