Physics · Signals and Systems
A continuous-time system is said to be causal if its impulse response h(t) satisfies which of the following conditions?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1h(t) is an even function
- 2h(t) = 0 for all t > 0
- 3h(t) = 0 for all t < 0✓
- 4h(t) is symmetric around t = 0
Correct answer
h(t) = 0 for all t < 0
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