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<!--#set var="TITLE" value="Example of ECGSYN output"-->
<!--#include virtual="/head.shtml"-->
<p>
The files in this directory illustrate <tt>ECGSYN</tt> output obtained using
its default settings. The files <tt>ecgsyn.dat</tt> and <tt>rr.dat</tt> are
created by <tt>ECGSYN</tt> itself.
<p>
<tt>ecgsyn.dat</tt> is a text file, which contains three columns:
<ul>
<li> the time in seconds
<li> the ECG amplitude in millivolts
<li> markers to indicate the locations of the waveform peaks:
<table>
<tr><td>0</td><td>(no peak)</td></tr>
<tr><td>1</td><td>Top of P-wave</td></tr>
<tr><td>2</td><td>Q-point</td></tr>
<tr><td>3</td><td>Peak of R-wave</td></tr>
<tr><td>4</td><td>S-point</td></tr>
<tr><td>5</td><td>Peak of T-wave</td></tr>
</table>
</ul>
<tt>rr.dat</tt> is also a text file, containing (in one column) a series of
inter-beat (RR) intervals in seconds.
<p>
The files <tt>syn.hea</tt> and <tt>syn.dat</tt> are PhysioBank (WFDB) format
header and signal files created from the <tt>ECGSYN</tt> output by:
<pre>
wrsamp -F 256 -o syn -x 200 1 &lt;ecgsyn.dat
</pre>
These files can be read using any of the available
<a href="/physiotools/wag/">WFDB applications</a>.
<p>
The file <tt>ecgsyn.png</tt> (shown below) was created from the
first 4.5 seconds of <tt>ecgsyn.dat</tt>, using
<a href="/physiotools/plt/">plt</a>:
<pre>
plt ecgsyn.dat 0 1 -xa 0 4.5 -t "ECGSYN output" \
-x "Time (s)" -y "ECG Amplitude (mV)" -T lw | \
lwcat -png &gt;ecgsyn.png
</pre>
<center><img src="ecgsyn.png" alt="[ECGSYN output]"></center>
<hr>

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<html>
<head><title>Index of /static/published-projects/ecgsyn/1.0.0/sample-output/</title></head>
<body>
<h1>Index of /static/published-projects/ecgsyn/1.0.0/sample-output/</h1><hr><pre><a href="../">../</a>
<a href="HEADER.shtml">HEADER.shtml</a> 12-Apr-2019 17:35 1558
<a href="ecgsyn.dat">ecgsyn.dat</a> 12-Apr-2019 17:35 1445405
<a href="ecgsyn.png">ecgsyn.png</a> 12-Apr-2019 17:35 18482
<a href="rr.dat">rr.dat</a> 12-Apr-2019 17:35 851968
<a href="syn.dat">syn.dat</a> 12-Apr-2019 17:35 131544
<a href="syn.hea">syn.hea</a> 12-Apr-2019 17:35 60
</pre><hr></body>
</html>

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syn 1 256 65772
syn.dat 16 200 12 0 215 -22612 0 column 1