 coherent and incoherent optical communication systems, as well as standard DSP blocks.  </div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;The DSP blocks have been developed over a longer period of time and validated on real data.  </div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;</div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;That said, this software is provided &quot;as-is&quot; without warranty of any