engineering recuitment GATE ECE 2023-24 Test Series Signals and Systems Linear Time Invariant Systems
The outputs of four systems (S1, S2, S3, and S4) corresponding to the input signal sin(t), for all time t, are shown in the figure.
Based on the given information, which of the four systems is/are definitely NOT LTI (linear and time-invariant)?
1
S1
2
S2
3
S3
4
S4