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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> > blackmannuttall</span>
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<div class="refnamediv"><h1 class="refname">blackmannuttall</h1>
<p class="refpurpose">This function returns the filter coefficients of a Blackman-Nuttall window.</p></div>
<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3>
<div class="synopsis"><pre><span class="default">w</span><span class="default"> = </span><span class="functionid">blackmannuttall</span><span class="default"> (</span><span class="default">m</span><span class="default">)</span>
<span class="default">w</span><span class="default"> = </span><span class="functionid">blackmannuttall</span><span class="default"> (</span><span class="default">m</span><span class="default">, </span><span class="default">opt</span><span class="default">)</span></pre></div></div>
<div class="refsection"><h3 class="title">Parameters</h3>
<dl><dt><span class="term">m:</span>
<dd><p class="para">positive integer value</p></dd></dt>
<dt><span class="term">opt:</span>
<dd><p class="para">string value, takes "periodic" or "symmetric"</p></dd></dt>
<dt><span class="term">w:</span>
<dd><p class="para">output variable, vector of real numbers</p></dd></dt></dl></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">blackmannuttall</span><span class="scilabopenclose">(</span><span class="scilabnumber">5</span><span class="scilabdefault">,</span><span class="scilabstring">"</span><span class="scilabstring">symmetric</span><span class="scilabstring">"</span><span class="scilabopenclose">)</span>
<span class="scilabid">ans</span> <span class="scilaboperator">=</span>
<span class="scilabnumber">0.0003628</span>
<span class="scilabnumber">0.2269824</span>
<span class="scilabnumber">1.</span>
<span class="scilabnumber">0.2269824</span>
<span class="scilabnumber">0.0003628</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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