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Communication SystemsSampling

If a 4 kHz sinusoid is sampled at 6 kHz, the sampling theorem is?

  • ASatisfied exactly
  • BSatisfied with large margin
  • CNot satisfied
  • DIndependent of sampling rate
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Correct Answer: C. Not satisfied
Explanation: For fm=4 kHz, the minimum Nyquist rate is 8 kHz. Sampling at 6 kHz can cause aliasing.
Reference: Standard communication systems: sampling
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