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Estimation of SNR based on sample set

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Eleven measurements were made of a fluctuating DC voltage. The measurements were:
50.44
45.2
46.40
60.41
65.92
44.46
67.13
61.50
61.69
59.88.

a) Calculate the Signal to Noise Ratio.

b) Plot the values and estimate the Signal to Noise Ratio using the appropriate method.

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Solution Summary

Based on a sample set of data, the mean and standard deviation is determined to then determine the dB Signal to Noise ratio. The second part deals with a quick estimation of signal-to-noise, based on considering the noise to be white noise and that 99% of the time a sample will be within plus or minus 2.5 standard deviations of the mean. The solution provides an Excel spreadsheet used to derive the plot and a Word document that shows a step-by-step calculation and accompanying explanations.

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