Istituto di Scienza e Tecnologie dell'Informazione     
Bongiovanni G., Corsini P., Frosini G. One-dimensional and two-dimensional generalized discrete fourier transform. In: IEEE Transactions on Acoustics, Speech and Signal Processing, pp. 97 - 99. The Institute of Electrical and Electronics Engineers, 1975.
One-dimensional and two-dimensional generalized discrete Fourier transforms (GFT) are introduced. If a one.dimensional vector A is fractured into a two-dimensional matrix B, a one-dimensional GFT on A and a two-dimensional GFT on B give the same result and require the same number of operations to be computed. The result holds also for the DFT, as it is a particular case of the GFT.

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