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A new principle for fast Fourier transformation

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2 Author(s)
Rader, C. ; MIT, Lincoln Laboratory, Lexington, MA ; Brenner, N.

An alternative form of the fast Fourier transform (FFT) is developed. The new algorithm has the peculiarity that none of the multiplying constants required are complex-most are pure imaginary. The advantages of the new form would, therefore, seem to be most pronounced in systems for which multiplication are most costly.

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Acoustics, Speech and Signal Processing, IEEE Transactions on  (Volume:24 ,  Issue: 3 )