Calculate SNR from sampled real signal

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Jack Daniels
Jack Daniels on 30 Jun 2023
Answered: Star Strider on 30 Jun 2023
I'd like to calculate the SNR from real sampled signal, how to do that in Matlab?

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Star Strider
Star Strider on 30 Jun 2023
The Signal Processing Toolbox snr function (introduced in R2013b) has a number of different ways to calculate it. If you only have the signal and the sampling frequency, the section on Signal-to-Noise Ratio of Sinusoid illustrates the approach.

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