Question #150354

The impulse response of a discrete-time LTI system is

h(n) = 2δ(n) − δ(n − 4).

Find and sketch the output of this system when the input is the step function

x(n) = u(n).

h(n) = 2δ(n) − δ(n − 4).

Find and sketch the output of this system when the input is the step function

x(n) = u(n).

Expert's answer

"x(n) = u(n)."

"y(n) =x(n)\\times [2\\delta(n)-\\delta(x-4)]"

"y(n) = 2u(n) - u(x-4)"

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