 class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;    ylim([mean(s) max(s(100:end))])</div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;    </div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;    xlim([0 Fs/2*1e-9])</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;    grid on</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;    ylabel(&#39;dBm&#39;)</di