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<p>generate noise </p>
<p>Generates frequency and phase noise time sequences. Generates a time-domain filter with length obj.Lpsd (in constructor, param.L or param.Lir), generates white noise, then filters that noise using the constructed filter. NB: filter will remove DC component of noise if length&gt;1.</p>
<dl class="retval"><dt>Return values</dt><dd>
  <table class="retval">
    <tr><td class="paramname">fn</td><td>frequency noise sequen