Electronics Engineering · Signals and Systems
Consider a discrete-time signal x[n] = an u[n]. Identify which of the following statements is correct.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Frequency domain representation does not exist for |a| > 1✓
- 2For a = 0, it represents a band-pass signal
- 3It is a high-frequency signal for 0 < a < 1
- 4It is a low-frequency signal for -1 < a < 0
Correct answer
Frequency domain representation does not exist for |a| > 1
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