## Signal to Noise Ratio Calculator | ||

Result: | |

The Signal to Noise Ratio Calculator to find out how much a signal as meaningful information has been corrupted by noise as unwanted signal

**SNR = P _{signal}/P_{noise} = μ/σ**

where:

**σ** is the standard deviation of the noise

**μ** is the signal mean or expected value

For example, when data set is {5,20,40,80,100}, then Standard Deviation(SD) = 40.0625, Signal Noise Ratio (SNR) = 1.2231.

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