Mathematics · Signals and Systems
What happens when a discrete-time signal x[n] undergoes time reversal to become x[-n]?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Its Z-transform remains unchanged.
- 2Its Z-transform is replaced by X(1/z).✓
- 3It loses all its frequency components.
- 4Its Z-transform is replaced by -X(z).
Correct answer
Its Z-transform is replaced by X(1/z).
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