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Transformada de Fourier Discreta en el Tiempo (DTFT)

Module by: Richard Baraniuk. E-mail the authorTranslated By: Fara Meza, Erika Jackson

Based on: Discrete-Time Fourier Transform (DTFT) by Richard Baraniuk

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Summary: Detalles de la DTFT

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Transformada de Fourier Discreta en el Tiempo

Xω=∑n=-∞∞xnⅇ-ⅈωn X ω n x n ω n (1)

Transformada Inversa de Fourier Discreta en el Tiempo

xn=12π∫02πXωⅇⅈωndω x n 1 2 ω 0 2 X ω ω n (2)

Espacios Relevantes

La transformada de Fourier en tiempo discreto grafica señales discretas en el tiempo infinita en l 2 l 2 , a señales de frecuencia continua con tamaño finito (o periódicas) en L 2 L 2 .

Figura 1: Grafica l 2 ℤ l 2 en el dominio del tiempo para L 2 02π L 2 0 2 en el dominio de la frecuencia.
Figura 1 (DTFT1.png)

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