Title :
A fast Gaussian method for Fourier transform evaluation
Author :
Hope, Lawrence L.
Author_Institution :
GTE Laboratories, Inc., Waltham, Mass.
Abstract :
A Gaussian method for fast evaluation of approximations to Fourier integral transforms is presented. This method is faster than the FFT for transforms of functions that require considerable computer time to compute. It is especially useful when transforms of high accuracy are needed.
Keywords :
Discrete Fourier transforms; Fast Fourier transforms; Fourier transforms; Frequency domain analysis; Gaussian approximation; Gaussian processes; Phased arrays; Polynomials; Roundoff errors; Sampling methods;
Journal_Title :
Proceedings of the IEEE
DOI :
10.1109/PROC.1975.9942
