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Additional
digital filter
English Wikipedia - The Free Encyclopedia
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Digital filter
In
signal processing
, a
digital filter
is a system that performs mathematical operations on a
sampled
,
discrete-time
signal
to reduce or enhance certain aspects of that signal. This is in contrast to the other major type of
electronic filter
, the
analog filter
, which is an
electronic circuit
operating on
continuous-time
analog signals
.
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