EC > GATE 2025 > System Properties
Consider the discrete-time system below with input x[n] and output y[n]. In the figure, h1[n] and h2[n] denote the impulse responses of LTI Subsystems 1 and 2, respectively. Also, δ[n] is the unit impulse, and b>0.
Assuming h2[n]≠δ[n], the overall system (denoted by the dashed box) is
A
linear and time invariant
B
linear and time variant
C
nonlinear and time invariant
D
nonlinear and time variant

Correct : b

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