Joseph Nofech edited As_a_brief_introduction_the__.tex  almost 8 years ago

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As a brief introduction, the Structure Function ($S_2$) describes the average of the square of the difference in intensity between the light received from one position (from a source moving at a certain speed toward / away from the observer) and light received from another position (from a source that may be moving at a different speed).\\  For a slightly less ugly description, the Structure Function is as follows:\\  \ $S_2 = $