Digital filters
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United States of America Patent
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Dec 29, 1998
Grant Date -
N/A
app pub date -
Aug 15, 1996
filing date -
Feb 1, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A FIR digital filter comprises a plurality of cascaded subfilters all operable at the same sampling rate. At least one of the subfilters has a z-transform transfer function defined by a partially factorized, n.sup.th -order polynomial in z.sup.-1, where n>2 whose co-efficients are quantized. A process for deriving the z-transform transfer function of the filter is described.
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