Lecture
Filtering before Sampling
In course
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Description
This lecture discusses the importance of filtering a signal before sampling it, to avoid the stroboscopic effect caused by undersampling. Various solutions are presented, including spectral decomposition and the use of ideal low-pass filters. Examples with sound signals are provided to illustrate the concepts.
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Information, Calcul, Communication: Introduction à la pensée informatique
Dans une première partie, nous étudierons d’abord comment résoudre de manière très concrète un problème au moyen d’un algorithme, ce qui nous amènera dans un second temps à une des grandes questions d
Information, Calcul, Communication: Introduction à la pensée informatique
Dans une première partie, nous étudierons d’abord comment résoudre de manière très concrète un problème au moyen d’un algorithme, ce qui nous amènera dans un second temps à une des grandes questions d
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