Apparatus to transform time to frequency and frequency to time o

Details Apparatus to transform time to frequency and frequency to time o Apparatus to transform time to frequency and frequency to time o

1991-06-24

1998-10-06

Malzahn, David H.

Boots, shoes, and leggings

G06F 1714

Patent

active

058187421

ABSTRACT:
A method and apparatus to transform time to frequency or frequency to time of data signals is disclosed. A single processing element can be used recursively or can be use modularly to construct the apparatus. The processing element has two input digital data signals and generates to output digital data signals. The processing element also receives a coefficient signal and a plurality of status signals. The processing element computes its output signals in accordance with

REFERENCES:
patent: 4754491 (1988-06-01), Mischler et al.
patent: 4841464 (1989-06-01), Guichard et al.
patent: 4873658 (1989-10-01), Cambonie
patent: 5029122 (1991-07-01), Vetani
IEEE Trans. on Acoustics, Speech & Signal Processing, vol. ASSP-35, No. 10, Oct. 1987, "A Fast Recursive Algorithm for Computing the Discrete Cosine Transform" by Hsieh S. Hou, pp. 1455-1461.

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