+
−  <p>
+
−	Signal pre-processing in LTPDA consists on a set of functions intended to pre-process data 
+
−	prior to further analysis. Pre-processing tools are focused on data sampling rates manipulation, 
+
−	data interpolation, spike cleaning and gap filling functions.
+
−  </p>
+
−  <p>
+
−	The following pages describe the different pre-processing tools available in the LTPDA toolbox:
+
−	<ul>
+
−		<li><a href="downsample.html">Downsampling data</a></li>
+
−		<li><a href="upsample.html">Upsampling data</a></li>
+
−		<li><a href="resample.html">Resampling data</a></li>
+
−		<li><a href="interp.html">Interpolating data</a></li>
+
−		<li><a href="spikeclean.html">Spikes reduction in data</a></li>
+
−		<li><a href="gapfill.html">Data gap filling</a></li>
+
−    <li><a href="whitening.html">Noise Whitening</a></li>
+
−	</ul>
+
−  </p>