Computer · Signals and Systems - LTI Systems

A continuous-time LTI system is causal if and only if the Region of Convergence (RoC) of its system function H(s) is the:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Entire s-plane excluding the origin
2Exterior of a circle whose radius r > 0
3Right-half plane to the right of the rightmost pole (Exterior of a circle in the z-domain where r < ∞)✓
4Interior of a circle whose radius r < ∞

Correct answer

Right-half plane to the right of the rightmost pole (Exterior of a circle in the z-domain where r < ∞)

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