Cross-correlation function <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle z(n)}"><semantics><mrow class="MJX-TeXAtom-ORD"><mstyle displaystyle="true" scriptlevel="0"><mi>z</mi><mo stretchy="false">(</mo><mi>n</mi><mo stretchy="false">)</mo></mstyle></mrow><annotation encoding="application/x-tex">{\displaystyle z(n)}</annotation></semantics></math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/3f11ba4d2557380ad85cb695058b70ae697e6e8c" class="mwe-math-fallback-image-inline" aria-hidden="true" style="vertical-align: -0.838ex; width:4.292ex; height:2.843ex;" alt="{\displaystyle z(n)}"></span> of a radar signal.
<a href="//commons.wikimedia.org/wiki/User:Luca_Ghio" title="User:Luca Ghio">Luca Ghio</a>
<span class="int-own-work" lang="en">Own work</span>