li class="toctree-l2"><a class="reference internal" href="#module-pecg.Preprocessing">pecg.Preprocessing</a><ul>
<li class="toctree-l3"><a class="reference internal" href="#pecg.Preprocessing.Preprocessing"><code class="docutils literal notranslate"><span class="pre">Preprocessing</span></code></a><ul>
<li class="toctree-l4"><a class="reference internal" href="#pecg.Preprocessing.Preprocessing.notch"><code class="docutils literal notranslate"><span class="pre">Preprocessing.notch()</span></code></a></li>
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