Question

If SNRi is the input SNR of a system in dB, SNRo is the output SNR of a system in dB, then which of the below defines the noise figure (N

  • F in dB?
A NF = SNRo × SNRi
B NF = SNRi - SNRo
C NF = SNRi + SNRo
D NF = SNRo - SNRi
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