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Z TRANSFORM [1 record]

Record 1 2011-08-30

English

Subject field(s)
  • Mathematics
  • Data Transmission
CONT

In mathematics and signal processing, the Z-transform converts a discrete time-domain signal, which is a sequence of real or complex numbers, into a complex frequency-domain representation.

Key term(s)
  • z transform

French

Domaine(s)
  • Mathématiques
  • Transmission de données
DEF

Outil mathématique de traitement du signal qui est l'équivalent discret de la transformée de Laplace.

OBS

La transformée de Fourier discrète est un cas particulier de la transformée en Z.

Spanish

Campo(s) temático(s)
  • Matemáticas
  • Transmisión de datos
CONT

La transformada Z (TZ) tiene el mismo papel en el análisis de señales y sistemas discretos lineales invariantes temporales (L.I.T.) que la transformada de Laplace en el análisis de señales y sistemas continuos L.I.T. […] La transformada Z proporciona una manera de caracterizar señales, sistemas L.I.T. y sus respuestas a varias señales usando para ello los polos y los ceros de la función de transferencia en el dominio transformado, conocido como dominio o plano Z.

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