engineering recuitment BEL Probationary Engineers Mock Test 2025 Control Systems Time Response Analysis Time Response of the First and Second Order System
Two discrete time systems with impulse responses ht[n] = δ[n - 1] and h2[n] = δ[n - 2] are connected in cascade. The overall impulse response of the cascaded system is
1
δ[n - 1] + δ[n - 2]
2
δ[n - 4]
3
δ[n - 3]
4
δ[n - 1]δ[n - 2]