Muestreo y Reconstrucción

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Muestreo y Reconstrucción

Muestreo y ReconstrucciónEspectro muestreado21.81.6Xa( jΩ)X(2*pi*f)1.41.210.80.60.40.20-30 -20 -10 0 10 20 30f2Xs( jΩ ) =( k )S( jΩ ) = Ωs δ Ω − Ωsk =−∞∞1 1= X ( jΩ) ∗S( jΩ ) = ∑ X j Ω − kΩ2πT+∞∑( ( ))a a ss k =−∞Xs(2*pi*f)P(2*pi*f)1.81.61.41.210.80.60.40.2021.81.61.41.210.80.60.40.20-30 -20 -10 0 10 20 30f-30 -20 -10 0 10 20 30f

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