Ideal sampler
1843589
56040956
2006-05-31T00:58:02Z
Dicklyon
869314
not continuous
In [[signal processing]], an '''ideal sampler''' is a sampler that [[sample (signal)|sample]]s in an ideal fashion.
It is precisely a sampler that takes a [[continuous signal]] and multiplies it by a [[dirac comb]] (aka a "delta train"), which yields a signal that only takes values at discrete times (these times need not be [[periodicity|periodic]]).
If the values of the resulting signal are measured and considered a sequence, then it becomes a [[discrete signal]].
==See also==
*[[Sample (signal)]], [[signal (information theory)]]
*[[Analog-to-digital converter]] vs. [[Digital-to-analog converter]]
[[Category:Digital signal processing]]