Computer and method for the discrete bracewell transform

Details Computer and method for the discrete bracewell transform Computer and method for the discrete bracewell transform

1984-03-19

1987-02-24

Malzahn, David H.

Boots, shoes, and leggings

G06F 1531

Patent

active

046462562

ABSTRACT:
Disclosed is a special purpose computer and method of computation for performing an N-length real-number discrete transform. For a real-valued function f(.tau.) where .tau. has the values 0,1, . . .,(N-1), the Discrete Bracewell Transform (DBT) H (.nu.) is as follows: ##EQU1## where,

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patent: 4385363 (1983-05-01), Widergren et al.
Cochran et al, "What is the Fast Fourier Transform?"Proceedings of the IEEE vol. 55, No. 10, Oct. 1967, pp. 1664-1674.
Kolba et al "A Prime Factor FFT Algorithm Using High-Speed Convolution" IEEE Trans. on Acoustics Speech & Signal Processing vol. ASSP-25, No. 4, Aug. 1977, pp. 281-294.
Cooley et al "An Algorithm for the Machine Calculation of Complex Fourier Series" Math of Computation vol. 19, Apr. 1965, pp. 297-301.
Bracewell, The Fourier Transform and its Applications McGraw-Hill, Inc. 2nd Ed. 1978, p. 179.

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