ency</span></div>



<div class="viewcode-block" id="bessel_df">
<a class="viewcode-back" href="../../../vtools.data.html#vtools.data.sample_series.bessel_df">[docs]</a>
<span class="k">def</span> <span class="nf">bessel_df</span><span class="p">():</span>
<span class="w">    </span><span class="sd">&quot;&quot;&quot; Sample series with bessel function signals&quot;&quot;&quot;</span>
    <span class="n">numpoints</span> <span class="o">=</span> <span class="mi">100000</span>
    <span class="n">date_rng1</