FFT and FHT engine

Details FFT and FHT engine FFT and FHT engine

2011-07-26

2011-07-26

Ngo, Chuong D (Department: 2193)

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

C708S404000

Reexamination Certificate

active

07987221

ABSTRACT:
A transformation engine includes an address generator; a butterfly unit coupled to the address generator; a twiddle LUT coupled to the address generator; and a multiplier having a first input coupled to the butterfly unit and a second input coupled to the twiddle LUT.

REFERENCES:
patent: 3754128 (1973-08-01), Corinthios
patent: 4689762 (1987-08-01), Thibodeau, Jr.
patent: 5339265 (1994-08-01), Liu et al.
patent: 5940406 (1999-08-01), Bolle
patent: 5959875 (1999-09-01), Kawahara et al.
patent: 6028889 (2000-02-01), Gude et al.
patent: 6130915 (2000-10-01), Hallier et al.

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