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Communication SystemsNoise & SNR

Signal-to-noise ratio is defined as the ratio of?

  • ASignal power to noise power
  • BNoise power to signal power
  • CSignal voltage to bandwidth only
  • DCarrier frequency to message frequency
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Correct Answer: A. Signal power to noise power
Explanation: SNR compares desired signal power with noise power, S/N.
Reference: Standard communication systems: noise & snr
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