Volltext
Inverse DFT
Transform Fourier coefficients to time domain samples
DFT Transform time domain samples to Fourier coefficients
n=16
n=32
n=16
Reduction of effort by half!
Reduction of effort by half!
Order 8-DFT reduced to 2 order 4-DFTs
2 order 4-DFTs reduced to 4 oder 2-DFTs
4 order 2-DFTs reduced to 8 oder 1-DFTs: FFT.
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