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<span class="path"><a href="index.html">FOSSEE Signal Processing Toolbox</a> >> <a href="section_e54aa8aac34aa55341e8b4b782fe1a74.html">FOSSEE Signal Processing Toolbox</a> > dwt</span>
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<div class="refnamediv"><h1 class="refname">dwt</h1>
<p class="refpurpose">Discrete wavelet transform (1D)</p></div>
<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3>
<div class="synopsis"><pre><span class="default">[</span><span class="default">U</span><span class="default">, </span><span class="default">V</span><span class="default">] = </span><span class="functionid">dwt</span><span class="default">(</span><span class="default">X</span><span class="default">, </span><span class="default">WNAME</span><span class="default">)</span>
<span class="default">[</span><span class="default">U</span><span class="default">, </span><span class="default">V</span><span class="default">] = </span><span class="functionid">dwt</span><span class="default">(</span><span class="default">X</span><span class="default">, </span><span class="default">HP</span><span class="default">, </span><span class="default">GP</span><span class="default">)</span>
<span class="default">[</span><span class="default">U</span><span class="default">, </span><span class="default">V</span><span class="default">] = </span><span class="functionid">dwt</span><span class="default">(</span><span class="default">X</span><span class="default">, </span><span class="default">HP</span><span class="default">, </span><span class="default">GP</span><span class="default">,...)</span></pre></div></div>
<div class="refsection"><h3 class="title">Parameters</h3>
<dl><dt><span class="term">Inputs:</span>
<dd><p class="para"></p></dd></dt>
<dt><span class="term">X:</span>
<dd><p class="para">Signal Vector.</p></dd></dt>
<dt><span class="term">WNAME:</span>
<dd><p class="para">Wavelet name.</p></dd></dt>
<dt><span class="term">HP:</span>
<dd><p class="para">Coefficients of low-pass decomposition FIR filter.</p></dd></dt>
<dt><span class="term">GP:</span>
<dd><p class="para">Coefficients of high-pass decomposition FIR filter.</p></dd></dt>
<dt><span class="term">Outputs:</span>
<dd><p class="para"></p></dd></dt>
<dt><span class="term">U:</span>
<dd><p class="para">Signal vector of average, approximation.</p></dd></dt>
<dt><span class="term">V:</span>
<dd><p class="para">Signal vector of difference, detail.</p></dd></dt></dl></div>
<div class="refsection"><h3 class="title">Description</h3>
<p class="para">This function calculates the discrete wavelet transform (1D).</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"></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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