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<title>upsample</title>
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<span class="path"><a href="index.html">FOSSEE Signal Processing Toolbox</a> >> <a href="section_5118e822ecc2888aa80042108de4932e.html">FOSSEE Signal Processing Toolbox</a> > upsample</span>
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<div class="refnamediv"><h1 class="refname">upsample</h1>
<p class="refpurpose">This function upsamples the signal, inserting n-1 zeros between every element.</p></div>
<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3>
<div class="synopsis"><pre><span class="default">y</span><span class="default"> = </span><span class="functionid">upsample</span><span class="default"> (</span><span class="default">x</span><span class="default">, </span><span class="default">n</span><span class="default">)</span>
<span class="default">y</span><span class="default"> = </span><span class="functionid">upsample</span><span class="default"> (</span><span class="default">x</span><span class="default">, </span><span class="default">n</span><span class="default">, </span><span class="default">phase</span><span class="default">)</span></pre></div></div>
<div class="refsection"><h3 class="title">Parameters</h3>
<dl><dt><span class="term">x:</span>
<dd><p class="para">scalar, vector or matrix of real or complex numbers</p></dd></dt>
<dt><span class="term">n:</span>
<dd><p class="para">real number or vector</p></dd></dt>
<dt><span class="term">phase:</span>
<dd><p class="para">integer value, 0 <= phase <= (n - 1 ), default value 0, or logical</p></dd></dt></dl></div>
<div class="refsection"><h3 class="title">Description</h3>
<p class="para">This is an Octave function.
This function upsamples the signal, inserting n-1 zeros between every element. If x is a matrix, every column is upsampled.
The phase determines the position of the inserted sample in the block of zeros. The default value is 0.</p></div>
<div class="refsection"><h3 class="title">Examples</h3>
<div class="programlisting"><table border="0" width="100%"><tr><td width="98%"><pre class="scilabcode"><span class="scilabid">upsample</span><span class="scilabopenclose">(</span><span class="scilabnumber">4</span><span class="scilabdefault">,</span><span class="scilabnumber">5</span><span class="scilabdefault">,</span><span class="scilabnumber">2</span><span class="scilabopenclose">)</span>
<span class="scilabid">ans</span> <span class="scilaboperator">=</span>
<span class="scilabnumber">0.</span> <span class="scilabnumber">0.</span> <span class="scilabnumber">4.</span> <span class="scilabnumber">0.</span> <span class="scilabnumber">0.</span></pre></td><td valign="top"><a href="scilab://scilab.execexample/"><img src="ScilabExecute.png" border="0"/></a></td><td valign="top"><a href="scilab://scilab.editexample/"><img src="ScilabEdit.png" border="0"/></a></td><td></td></tr></table></div></div>
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