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signals_identification.html
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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<meta http-equiv="X-UA-Compatible" content="chrome=1">
<link rel="stylesheet" type="text/css" href="stylesheets/stylesheet.css" media="screen">
<link rel="stylesheet" type="text/css" href="stylesheets/pygment_trac.css" media="screen">
<link rel="stylesheet" type="text/css" href="stylesheets/print.css" media="print">
<title>RF Testing Methodology by NCC Group</title>
</head>
<body>
<header>
<div class="container">
<h1>RF Testing Methodology</h1>
<h2>www.nccgroup.com</h2>
<section id="downloads">
<a href="https://github.com/nccgroup/RFTM/zipball/master" class="btn">Download as .zip</a>
<a href="https://github.com/nccgroup/RFTM/tarball/master" class="btn">Download as .tar.gz</a>
<a href="https://github.com/nccgroup/RFTM" class="btn btn-github"><span class="icon"></span>View on GitHub</a>
</section>
</div>
</header>
<div class="container">
<section id="main_content">
<h1>
<a id="signals-identification" class="anchor" href="#signals-identification" aria-hidden="true"><span class="octicon octicon-link"></span></a>Signals identification</h1>
<p>In order to correctly demodulate a received signal you need to be able to identify it first. This section will provide some guidance around identifying common signals.</p>
<p>This <a href="http://www.sigidwiki.com/wiki/Signal_Identification_Guide">website</a> is a good place to start.</p>
<h2>
<a id="amplitude-shift-keying-ask" class="anchor" href="#amplitude-shift-keying-ask" aria-hidden="true"><span class="octicon octicon-link"></span></a>Amplitude Shift Keying (ASK)</h2>
<p>The below example is the most simple form of ASK, known as On-Off Keying (OOK):</p>
<p><img src="images/ask_baudline.png" alt=""></p>
<h2>
<a id="frequency-shift-keying-fsk" class="anchor" href="#frequency-shift-keying-fsk" aria-hidden="true"><span class="octicon octicon-link"></span></a>Frequency Shift Keying (FSK)</h2>
<p>The below example is the most simple form of FSK, known as 2-FSK or Binary FSK:</p>
<p><img src="images/fsk_baudline.png" alt=""></p>
<p>TODO - add more stuff here</p>
</section>
</div>
</body>
</html>