Graph of frequency <a href="https://en.wikipedia.org/wiki/aliasing" class="extiw" title="en:aliasing">aliasing</a>, showing <a href="https://en.wikipedia.org/wiki/folding_frequency" class="extiw" title="en:folding frequency">folding frequency</a> and periodicity.
<a href="//commons.wikimedia.org/wiki/User:Bob_K" title="User:Bob K">Bob K</a>
2019-02-08
<span class="int-own-work" lang="en">Own work</span>