equencyFilter.filter">
<a class="viewcode-back" href="../../../diamondback.filters.html#diamondback.ComplexFrequencyFilter.filter">[docs]</a>
    <span class="k">def</span><span class="w"> </span><span class="nf">filter</span><span class="p">(</span>  <span class="c1"># type: ignore</span>
        <span class="bp">self</span><span class="p">,</span> <span class="n">d</span><span class="p">:</span> <span class="nb">list</span> <span class="o">|</span> <span class="n">numpy</span><span class="o">.</span><span