Talk:Wigner distribution function
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autocorrelation
If it is indeed an autocorrelation that is meant, then it is not a time-reversed copy. Auto correlation uses the cross-correlation (shifted), not the convolution (time-reversed, shifted). The current article text essentially suggests one operation, but explains the other. I am not so experienced with integral transforms, but it appears to indeed be a time-reversed, shifted copy based on the definition given. That means that is more like an autoconvolution. This term exists, but doesn't have a Wikipedia page. Any other mathematicians care to weigh in?--75.80.43.80 (talk) 23:39, 18 April 2011 (UTC)