ramname">x</td><td>signal </td></tr>
    <tr><td class="paramname">type</td><td>signal property (power) to normalize {'average' | 'max'} </td></tr>
    <tr><td class="paramname">P</td><td>power to normalize to (scalar) </td></tr>
    <tr><td class="paramname">unit</td><td>unit power is specified in {'linear' | 'db' | 'dBm'} </td></tr>
  </table>
  </dd>
</dl>
<dl class="retval"><dt>Return values</dt><dd>
  <table class="retval">
    <tr><td class="paramname">y</td><td>normalized signal </td></tr>
    <tr><t