Title :
Index mappings for the fast Fourier transform
Author :
Schatzman, James C.
Author_Institution :
Wyoming Univ., Laramie, WY, USA
fDate :
3/1/1996 12:00:00 AM
Abstract :
General analysis shows which linear index maps for the multidimensional PFA avoid twiddle factors. For any input map of this class, there is a unique output map which omits twiddle factors and modifications of the underlying DFT subblocks. With subblock modifications, all factorizations can be done in-place and in-order
Keywords :
fast Fourier transforms; DFT subblocks; factorizations; fast Fourier transform; index mappings; input map; linear index maps; multidimensional PFA; output map; subblock modifications; Cathode ray tubes; Degradation; Discrete Fourier transforms; Fast Fourier transforms; Fourier transforms; Kernel; Multidimensional systems; Signal mapping; Signal processing;
Journal_Title :
Signal Processing, IEEE Transactions on
