Root-Sum-Square (RSS)
时间: 2024-01-04 13:01:47 浏览: 46
Root-Sum-Square (RSS) is a statistical method used to calculate the combined uncertainty of multiple measurements or sources of error. It involves taking the square root of the sum of the squares of the individual uncertainties.
For example, if there are two measurements with uncertainties of 0.5 and 0.3, the RSS would be calculated as follows:
RSS = √(0.5² + 0.3²) = √(0.25 + 0.09) = √0.34 = 0.58
Therefore, the combined uncertainty would be 0.58.
The RSS method is commonly used in fields such as engineering, physics, and chemistry to determine the overall uncertainty of a measurement or process. It helps to account for the variability and errors that can occur in individual measurements or components, and provides a more accurate estimate of the overall uncertainty.
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