What is the signal-to-noise ratio?
A. σX2. σq2
B. σX2/ σq2
C. σX2+ σq2
D. σX2-σq2
Answer:A
What is the signal-to-noise ratio?
A. σX2. σq2 B. σX2/ σq2 C. σX2+ σq2 D. σX2-σq2
Explanation: The signal-to-noise ratio of a signal, SNR is given by the ratio of the variance of the output DFT coefficients to the variance of the quantization errors.