Physics · Communication Systems
With respect to the signal sampling process, which of the following statements is NOT true?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Band-limiting the signal prior to sampling with the help of an anti-aliasing filter minimizes the aliasing problem.
- 2Foldover distortion occurs due to a higher sampling rate than the Nyquist rate.✓
- 3If the sampling frequency (Fs) is greater than or equal to twice the message signal frequency (Fm), the signal can be recovered with minimal distortion.
- 4Sampling at a frequency moderately higher than twice the message signal frequency minimizes the aliasing problem.
Correct answer
Foldover distortion occurs due to a higher sampling rate than the Nyquist rate.
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