 center frequency and percentage bandwidth.</p>

<pre class="codeinput">
<span class="comment">% filter the scan lines using both the transmit frequency and the second harmonic</span>
scan_lines_fund = gaussianFilter(scan_lines, 1/kgrid.dt, tone_burst_freq, 100, true);
scan_lines_harm = gaussianFilter(scan_lines, 1/kgrid.dt, 2 * tone_burst_freq, 30, true);
</pre>

<img vspace="5" hspace="5" src="images/example_us_bmode_linear_transducer_05.png" style="width:560px;height:420px;" alt="">
<img vspace="5" hspac