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1 <!-- $Id: class_desc_filterbank_content.html,v 1.1 2009/08/20 12:51:36 ingo Exp $ -->
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3 <!-- ================================================== -->
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4 <!-- BEGIN CONTENT FILE -->
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5 <!-- ================================================== -->
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6 <!-- ===== link box: Begin ===== -->
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7 <p>
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8 <table border="1" width="80%">
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9 <tr>
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10 <td>
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11 <table border="0" cellpadding="5" class="categorylist" width="100%">
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12 <colgroup>
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13 <col width="37%"/>
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14 <col width="63%"/>
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15 </colgroup>
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16 <tbody>
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17 <tr valign="top">
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18 <td>
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19 <a href="#Applyfiltdesc">Description</a>
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20 </td>
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21 <td>Digital filtering with LTPDA filters objects.</td>
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22 </tr>
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23 <tr valign="top">
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24 <td>
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25 <a href="#Applyfiltexample">Examples</a>
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26 </td>
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27 <td>How to filter a data series in LTPDA.</td>
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28 </tr>
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29 </tbody>
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30 </table>
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31 </td>
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32 </tr>
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33 </table>
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34 </p>
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35 <!-- ===== link box: End ====== -->
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36
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37
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38
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39 <!-- ===== filtering in LTPDA description ===== -->
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40 <h2><a name="Applyfiltdesc">Description</a></h2>
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41 <p>
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42 Digital filtering in LTPDA can be performed by a call to the <tt>ao/filter</tt> method.
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43 <tt>ao/filter</tt> method is a wrapper of the standard MATLAB filter method.
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44 Details of the core algorithm can be found in the proper
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45 <a href="matlab:doc('filter')">documentation page</a>.
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46 </p>
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47
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48
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49 <!-- ===== Examples ===== -->
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50
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51 <h2><a name="Applyfiltexample">Examples</a></h2>
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52 <p>
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53 Given an input analysis object (can be a time series or a frequency series object)
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54 <tt>a_in</tt>, digital filtering operation can be easily performed:
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55 </p>
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56
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57 <div class="fragment"><pre>
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58
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59 a_out = filter(a_in,fobj)
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60
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61 </pre></div>
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62
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63 <p>
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64 Where <tt>fobj</tt> is a filter. It can be a <a href="sigproc_iir.html">MIIR</a>,
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65 a <a href="sigproc_fir.html">MFIR</a>
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66 or a <a href="sigproc_filterbanks.html">FILTERBANK</a> object.
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67 </p>
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68 <p>
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69 The filter object <tt>fobj</tt> can be also embedded in a plist
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70 </p>
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71
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72 <div class="fragment"><pre>
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73
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74 pl = plist(<span class="string">'filter'</span>, fobj);
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75 a_out = filter(a_in,pl)
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76
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77 </pre></div>
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78
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79
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