1.56 Let x[n] and y[n] be given in Figs. P1.56(a) and (b), respectively. Carefully sketch the following signals: (a) x[2n] (b) x[3n - 1] (c) y[1] (d) y[22] (e) x[n 2]y[n+ 2]

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Q a, b ,c ,d ,e

1.56 Let x[n] and y[n] be given in Figs. P1.56(a) and (b),
respectively. Carefully sketch the following signals:
(a) x[2n]
(b) x[3n - 1]
(c) y[1]
(d) y[22]
(e) x[n 2] + y[n + 2]
(f) x[2n]y[n 4]
-
(g) x[n+ 2]y[n 2]
(h) x[3n]y[n]
(i) x[-n]y[-n]
(j) x[n]y[-2-n]
(k) x[n+ 2]y[6n]
-3-2-1
--4-3-2-1
FIGURE P1.56
x[M]
(a)
y[n]
(b)
1 2 3 4
Transcribed Image Text:1.56 Let x[n] and y[n] be given in Figs. P1.56(a) and (b), respectively. Carefully sketch the following signals: (a) x[2n] (b) x[3n - 1] (c) y[1] (d) y[22] (e) x[n 2] + y[n + 2] (f) x[2n]y[n 4] - (g) x[n+ 2]y[n 2] (h) x[3n]y[n] (i) x[-n]y[-n] (j) x[n]y[-2-n] (k) x[n+ 2]y[6n] -3-2-1 --4-3-2-1 FIGURE P1.56 x[M] (a) y[n] (b) 1 2 3 4
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