RMS of signal vs average amplitude

1. Is RMS the same as amplitude?
2. Is RMS the same as average?
3. How do you find amplitude from RMS?
4. What does the RMS of a signal tell you?

Is RMS the same as amplitude?

The root mean square amplitude (RMS) is a commonly used technique to display amplitude values in a specified window of stack data. With RMS amplitude, hydrocarbon indicators can be mapped directly by measure reflectivity in a zone of interest.

Is RMS the same as average?

Average is used to get the central tendency of a given data set while RMS is used when random variables given in the data are negative and positive such as sinusoids.

How do you find amplitude from RMS?

The RMS amplitude format is calculated by squaring the peak amplitude (A) of the sine wave, diving it by two, and then taking the square root of that quantity. For a single sine wave, the RMS amplitude can be represented as 0.707*A.

What does the RMS of a signal tell you?

The square root of the mean of the square. RMS is (to engineers anyway) a meaningful way of calculating the average of values over a period of time. With audio, the signal value (amplitude) is squared, averaged over a period of time, then the square root of the result is calculated.