Zero-order Hold - Time-domain Model

Time-domain Model

A zero-order hold reconstructs the following continuous-time waveform from a sample sequence x, assuming one sample per time interval T:

where is the rectangular function.

The function is depicted in Figure 1, and is the piecewise-constant signal depicted in Figure 2.

Read more about this topic:  Zero-order Hold

Famous quotes containing the word model:

    It has to be acknowledged that in capitalist society, with its herds of hippies, originality has become a sort of fringe benefit, a mere convention, accepted obsolescence, the Beatnik model being turned in for the Hippie model, as though strangely obedient to capitalist laws of marketing.
    Mary McCarthy (1912–1989)