Optimum second order digital filter

Details Optimum second order digital filter Optimum second order digital filter

1979-12-20

1982-10-26

Ruggiero, Joseph F.

Boots, shoes, and leggings

328167, 333 18, G06F 1531

Patent

active

043565581

ABSTRACT:
A second order digital filter utilizing six processor operations, two add instructions, two shift instructions and two store instructions. No multipliers are required. The filter is used as a digital filter in a servo loop having a Z transform of, G(Z)=4 (1-Z.sup.-1)+Z.sup.-2.

REFERENCES:
patent: 3619586 (1971-11-01), Hoff, Jr. et al.
patent: 3914588 (1975-10-01), Nussbaumer
patent: 3979701 (1976-09-01), Tomozawa
patent: 4016410 (1977-04-01), Eggermont
patent: 4149258 (1979-04-01), Yahata
patent: 4170758 (1979-10-01), Tamburelli
Besseyre-"Digital Filter Synthesizing an All-Pass Network Utilizing a Shift Register", IBM Tech. Disc. Bull.-vol. 14, No. 8-Jan. 1972-pp. 2280 & 2281.

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