(d) a-u[n] (e) a"u[n- m] (f) (n– m)a""u[n – m] (g) (n- m)a"u[n] (h) na"-uln– m]

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Author:Robert L. Boylestad
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Please do only,  (c), (f), (h). thanks 

9.3-1 Using only pairs 2 and 5 (Table 9.1) and
the time-shifting property of Eq. (9.31), find
the DTFT of the following signals, assuming
lal <1.
(a) u[n] – u[n – 9]
(b) a"-"u[n – m]
(c) a"-3 (u[n] – u[n – 10])
Transcribed Image Text:9.3-1 Using only pairs 2 and 5 (Table 9.1) and the time-shifting property of Eq. (9.31), find the DTFT of the following signals, assuming lal <1. (a) u[n] – u[n – 9] (b) a"-"u[n – m] (c) a"-3 (u[n] – u[n – 10])
(d) a"-mu[n]
(e) a"uln - m]
(f) (n– m)d"-"u[n – m]
(g) (n - m)a"u[n]
(h) na"-"uln - m]
Transcribed Image Text:(d) a"-mu[n] (e) a"uln - m] (f) (n– m)d"-"u[n – m] (g) (n - m)a"u[n] (h) na"-"uln - m]
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