Fourier transform - Python for climatology, oceanograpy and atmospheric science

Fourier transform

Packages

matplotlib.mlab

also matplotlib.pyplot.psd

Examples

ActiveState: Code Python recipes

Discrete Fourier Transform

http://code.activestate.com/recipes/578994-discrete-fourier-transform/

2D Discrete Fourier Transform

http://code.activestate.com/recipes/578997-2d-discrete-fourier-transform/

numpyとscipyで #FFT 処理してローパスフィルター - Qiita

https://qiita.com/ks711/items/e472783b3e9baecb5a5a

See also

Short-time Fourier transform

Wavelet transform