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autocorrelation

autocorrelation

A Dictionary of Earth Sciences | 1999 | | Copyright

autocorrelation The correlation of a wave-form with itself; a special case of cross-correlation. The autocorrelation function (ACF) is especially useful in the identification of multiples within a seismic record. While the ACF contains all the amplitude and frequency information of the original wave-form, it possesses no phase information.
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AILSA ALLABY and MICHAEL ALLABY. "autocorrelation." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

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AILSA ALLABY and MICHAEL ALLABY. "autocorrelation." A Dictionary of Earth Sciences. 1999. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-autocorrelation.html

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autocorrelation

A Dictionary of Astronomy | 1997 | Copyright

autocorrelation A mathematical operation used in signal processing, especially as the first stage in obtaining the spectrum of a radio source. The autocorrelation function of a signal is a measure of the degree to which successive segments of the signal resemble each other. See Autocorrelator.
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"autocorrelation." A Dictionary of Astronomy. 1997. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O80-autocorrelation.html

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