Recursive filter

Details Recursive filter Recursive filter

1978-12-18

1980-10-14

Smith, Jerry

Boots, shoes, and leggings

364745, 375 12, 375103, G06F 1531

Patent

active

042285178

ABSTRACT:
A recursive filter characterized by increased efficiency and accuracy and incorporating a step decision circuit which reduces filter noise, error and size. Efficiency is obtained by reducing the requirement for bulk memory and the number of multipliers while accuracy is obtained by reducing error portions of data and coefficient words in the filter.

REFERENCES:
patent: 3370292 (1968-02-01), Deerfield
patent: 3648171 (1972-03-01), Hirsch
patent: 3777130 (1973-12-01), Croisier et al.
patent: 3950635 (1976-04-01), Constant
patent: 4038536 (1977-07-01), Feintuch
Tran-Thong et al., "Limit Cycles in the Combinatorial Implementation of Digital Filters", IEEE Trans. on A.S.S.P., Jun. 1976, pp. 248-256.

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