difies a state to minimize edge effects by assuming persistent</span>
<span class="sd">        operation at a specified primary incident condition.</span>

<span class="sd">        Arguments:</span>
<span class="sd">            x: complex - incident signal.</span>
<span class="sd">        &quot;&quot;&quot;</span>

        <span class="k">if</span> <span class="ow">not</span> <span class="n">numpy</span><span class="o">.</span><span class="n">isscalar</span><span class="p">(</span><span class="n">x</span><s