Définition de «Signal discret»

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Signal discret
Signal qui passe d'un niveau constant à un autre niveau constant.
Le signal discret est obtenu à partir du signal continu (ou analogique) comme une suite de mesures de celui-ci à des instants successifs séparés de la période d'échantillonnage (informations mesurées à des moments précisément répetés).
Nous sommes donc confrontés à une approximation due à l'utilisation de moyens numériques pour mémoriser l'information.


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Document created the 19/03/2002, last modified the 15/12/2024
Source of the printed document:https://www.gaudry.be/en/glossaire/signal-discret

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