engineering recuitment NCRTC Junior Engineer Mock Test Series 2025 Signals and Systems Discrete Time Signals and Systems Characteristic of Systems
A causal LTI system having a transfer function () is stable if and only if:
1
all poles are in the left half of z-plane
2
all zeros are in the left half of z-plane
3
all poles are inside the unit circle of the z-plane
4
all zeros are inside the unit circle of the z-plane