Optimum second order digital filter
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United States of America Patent
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-
Oct 26, 1982
Grant Date -
N/A
app pub date -
Dec 20, 1979
filing date -
Dec 20, 1979
priority date (Note) -
Expired
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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.
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