ultiple input signals into a single output rescaling the power. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">varargin</td><td>Input signals </td></tr>
  </table>
  </dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
  <table class="retval">
    <tr><td class="paramname">sum</td><td>Combined signal </td></tr>
  </table>
  </dd>
</dl>

<p>Reimplemented from <a class="el" href="classunit.html#a5cc7f79d195a8a452f39d707db7501e6">unit</a>.</p>

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