Sommaire général

Analyse harmonique

II. Utilisation

2. Méthode générale de résolution d’un problème

b. Étape 1 : décomposition de la grandeur d'entrée

La grandeur d'entrée `e(t)` étant périodique, il est possible de déterminer sa valeur moyenne et ses harmoniques.

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Dispositif

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linéaire

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e(t)

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s(t)

Les termes du développement en série de Fourier de `e(t)` sont supposés connus par la suite :

`e(t) = E_0 + e_1(t) + e_2(t) + e_3(t) +...`