Autocorrelation (also known as serial correlation) is the cross-correlation of a signal with itself.
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on 17 Sep 2010 |
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Autocorrelation is the similarity between observations as a function of the time separation between them. It is a mathematical tool for finding repeating patterns, such as the presence of a periodic signal which has been buried under noise, or identifying the missing fundamental frequency in a signal implied by its harmonic frequencies. read more
By Peter Bromberg