Boots – shoes – and leggings
Patent
1996-11-20
1997-12-02
Ngo, Chuong Dinh
Boots, shoes, and leggings
G06F 1500
Patent
active
056943474
ABSTRACT:
A method for computing a fast Fourier Transform of an input signal which includes the steps of: a) storing first and second data values and a first coefficient in a first register stage; b) storing the first and second data values and the first coefficient in a second register stage and storing third and fourth data values in the first register stage along with a second coefficient; c) multiplying the second data value by the first coefficient and storing the product in a third register stage along with the first data value, moving the third and fourth data values into the second register stage along with the second coefficient and storing fifth and sixth data values in the first register stage along with a third coefficient; d) combining the first data value with the product of the first coefficient and the second data value and storing the result in a fourth register stage; e) combining the third data value with the product of the second coefficient and the fourth data value and storing the result in the fourth register stage; and f) passing terms generated by steps d) and e) to a first register stage of a subsequent processing stage and repeating steps a) through f) until the fast Fourier transform of the input signal is generated.
REFERENCES:
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patent: 4138730 (1979-02-01), Ali
patent: 4501149 (1985-02-01), Konno et al.
patent: 4534009 (1985-08-01), McGee
patent: 4601006 (1986-07-01), Liu
Alkov Leonard A.
Denon-Low Wanda K.
Hughes Electronics
Ngo Chuong Dinh
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