zero-order hold

Noun.  (mathematics) A mathematical model of the practical signal reconstruction done by a conventional digital-to-analog converter, describing the effect of converting a discrete-time signal to a continuous-time signal by holding each sample value for one sample interval.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.