class="o">.</span><span class="n">ones</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="nb">complex</span><span class="p">))</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">_frequency</span> <span class="o">=</span> <span class="n">frequency</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">_rate</span> <span class="o">=</span> <span class="n">rate</span>

<div class="viewcode-block" id="ComplexFr