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<a accesskey="3" href="page.php?w=cross-correlation&amp;p=2">3.Next</a>
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<p>In <a href="page.php?w=signal_processing">signal processing</a>, <b>cross-correlation</b> is a <a href="page.php?w=Similarity_measure">measure of similarity</a> of two series as a function of the displacement of one relative to the other. This is also known as a sliding <a href="page.php?w=dot_product">dot product</a> or sliding <a href="page.php?w=inner-product">inner-product</a>. It is commonly used for searching a long signal for a shorter, known feature. It has applications in <a href="page.php?w=pattern_recognition">pattern recognition</a>,</p><p>
<a accesskey="3" href="page.php?w=cross-correlation&amp;p=2">3.Next</a>
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