Physics · Signals and Systems
The Region of Convergence (ROC) of a two-sided sequence (which extends in both positive and negative time directions) is generally represented as:
- 1|z| < R2
- 2R1 < |z| < R2✓
- 3|z| > R2
- 4The entire z-plane
Correct answer
R1 < |z| < R2
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