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Communication SystemsNoise & SNR

If the signal and noise powers are equal, the SNR in decibels is?

  • A-3 dB
  • B0 dB
  • C3 dB
  • D10 dB
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Correct Answer: B. 0 dB
Explanation: S/N=1, so SNR(dB)=10log10(1)=0 dB.
Reference: Standard communication systems: noise & snr
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