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Cursos Gerais ·

Processamento Digital de Sinais

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Questao 3 Seja xn ejθ4πn Determine Yejω a TFD de yn x3n Facil yn x3n ejθ4π3n ej4π2πn Data base Yejω xRT Σ δw14 2π27πk k Questao 3 Considere Xejω dado pelo gráfico Xejω ω 1 101 12T 187π 02π 22π 22π 202π 122π 712π 1271π 0 0 75 1 27π Se yn x3n Yejω 13 Σ X ejω27π3 i0 2 i0 Yejω l0 l1 l2 l2 l1 24π 3π 96π 54π 6π 6π