De Fourier aux ondelettes

De Fourier aux ondelettes

Antonio C. S. dos Santos / Augusto C. B. Barbosa / Clênia R. Alcântara

65,35 €
IVA incluido
Disponible
Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
ISBN:
9786209449697
65,35 €
IVA incluido
Disponible

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Selon Farge (1992), il est clairement démontré que l’analyse de Fourier traditionnelle n’est pas viable dans l’étude de phénomènes présentant des signaux non stationnaires ou même ceux dans lesquels le signal subit des variations brusques de fréquence. Cette lacune nécessite l’utilisation d’une technique connue sous le nom de transformée en ondelettes simple (TSO), qui comporte des fenêtres mobiles, dans le temps ou dans l’espace, qui se dilatent ou se compriment pour capturer respectivement les signaux de basse et haute fréquence. Le présent ouvrage montre, dans un contexte historique, la nécessité d’utiliser la TSO comme un outil (technique) important dans l’étude des phénomènes non stationnaires.

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