4. Consider the system y(n)- 0.4y(n − 1) = x(n)+x(n-1) 3 (1) Find the frequency response H(e) of this system. (2) Find the steady-state response y.(n) when x(n) = 15cos (77 + 7).

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4. Consider the system y(n) - 0.4y(n − 1)
=
x(n)+x(n-1)
3
(1) Find the frequency response H(e) of this system.
(2) Find the steady-state response y(n) when x(n) = 15cos (+).
Transcribed Image Text:4. Consider the system y(n) - 0.4y(n − 1) = x(n)+x(n-1) 3 (1) Find the frequency response H(e) of this system. (2) Find the steady-state response y(n) when x(n) = 15cos (+).
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