engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Signals and Systems Discrete Time Signals and Systems Discrete Time LTI Systems
Two discrete time systems have impulse response h1[n] = δ[n - 3] and h2[n] = δ[n - 5]. If these two systems are cascaded, then the overall impulse response of the cascaded system is
1
δ[n - 8]
2
δ[n - 3] + δ[n - 5]
3
δ[n - 1]*δ[n - 2]
4
δ[n - 2]