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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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1 <!-- $Id: constructor_examples_fsdata_content.html,v 1.3 2008/03/30 20:40:04 ingo Exp $ -->
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2
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3 <!-- -------------------------------------------------- -->
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4 <!-- --------------- BEGIN CONTENT FILE --------------- -->
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5 <!-- -------------------------------------------------- -->
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6
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7 <!-- --------------- Link box: begin --------------- -->
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8 <table border="0" summary="Simple list" class="simplelist_nottable_last">
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9 <tr>
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10 <td>
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11 <a href="constructor_examples_fsdata.html#empty">Construct empty FSDATA object</a>
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12 </td>
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13 </tr>
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14 <tr>
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15 <td>
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16 <a href="constructor_examples_fsdata.html#xml_file">Construct a FSDATA object by loading the object from a file</a>
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17 </td>
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18 </tr>
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19 <tr>
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20 <td>
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21 <a href="constructor_examples_fsdata.html#data_vector">Construct a FSDATA object from a data vector</a>
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22 </td>
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23 </tr>
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24 <tr>
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25 <td>
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26 <a href="constructor_examples_fsdata.html#data_freq_vector">Construct a FSDATA object from a data vector and frequency vector</a>
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27 </td>
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28 </tr>
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29 <tr>
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30 <td>
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31 <a href="constructor_examples_fsdata.html#data_frequency">Construct a FSDATA object from a data vector and the corresponding frequency</a>
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32 </td>
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33 </tr>
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34 <tr>
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35 <td>
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36 <a href="constructor_examples_fsdata.html#all">Construct a FSDATA object from a data vector, frequency vector and the corresponding frequency</a>
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37 </td>
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38 </tr>
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39 </table>
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40 <!-- --------------- Link box: end --------------- -->
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41
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42 <!-- --------------- NEXT EXAMPLE --------------- -->
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43
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44 <hr>
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45 <h2 class="title"><a name="empty"></a>Construct empty FSDATA object</h2>
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46 <p>The following example creates an empty fsdata object</p>
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47 <div class="fragment"><pre class="programlisting">
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48 f1 = fsdata()
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49 ----------- fsdata 01 -----------
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50
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51 name: None
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52 fs: 0
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53 x: [0 0], double
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54 y: [0 0], double
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55 xunits: Hz
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56 yunits:
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57 ---------------------------------
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58 </pre></div>
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59
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60 <!-- --------------- NEXT EXAMPLE --------------- -->
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61
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62 <hr>
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63 <h2 class="title"><a name="xml_file"></a>Construct a FSDATA object by loading the object from a file</h2>
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64 <p>The following example creates a new fsdata object by loading the fsdata object from disk.</p>
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65 <div class="fragment"><pre class="programlisting">
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66 f1 = fsdata(<span class="string">'f1.mat'</span>)
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67 f1 = fsdata(<span class="string">'f1.xml'</span>)
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68 </pre></div>
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69
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70 <!-- --------------- NEXT EXAMPLE --------------- -->
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71
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72 <hr>
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73 <h2 class="title"><a name="data_vector"></a>Construct a FSDATA object from a data vector</h2>
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74 <p>creates a frequency-series object with the given y-data. Sample rate of the data is assumed to be 1Hz.</p>
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75 <div class="fragment"><pre class="programlisting">
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76 y = randn(1000,1);
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77
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78 f1 = fsdata(y)
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79 </pre></div>
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80
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81 <!-- --------------- NEXT EXAMPLE --------------- -->
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82
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83 <hr>
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84 <h2 class="title"><a name="data_freq_vector"></a>Construct a FSDATA object from a data vector and frequency vector</h2>
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85 <p>creates a frequency-series object with the given (x,y)-data. The sample rate is then set as 2*x(end).</p>
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86 <div class="fragment"><pre class="programlisting">
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87 fs = 10;
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88 x = linspace(0, fs/2, 1000);
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89 y = randn(1000,1);
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90
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91 f1 = fsdata(x,y)
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92 </pre></div>
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93
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94 <!-- --------------- NEXT EXAMPLE --------------- -->
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95
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96 <hr>
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97 <h2 class="title"><a name="data_frequency"></a>Construct a FSDATA object from a data vector and the corresponding frequency</h2>
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98 <p>creates a frequency-series object with the given y-data and sample rate. The frequency vector is grown assuming the first y sample corresponds to 0Hz and the last sample corresponds to the Nyquist frequency.</p>
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99 <div class="fragment"><pre class="programlisting">
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100 y = randn(1000,1);
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101 fs = 100;
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102
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103 f1 = fsdata(y,fs)
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104 </pre></div>
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105
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106 <!-- --------------- NEXT EXAMPLE --------------- -->
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107
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108 <hr>
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109 <h2 class="title"><a name="all"></a>Construct a FSDATA object from a data vector, frequency vector and the corresponding frequency</h2>
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110 <p>creates a frequency-series object with the given x,y-data and sample rate.</p>
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111 <div class="fragment"><pre class="programlisting">
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112 fs = 10;
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113 x = linspace(0, fs/2, 1000);
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114 y = randn(1000,1);
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115
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116 f1 = fsdata(x,y,fs);
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117 </pre></div>
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118
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119 <!-- ------------------------------------------------ -->
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120 <!-- --------------- END CONTENT FILE --------------- -->
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121 <!-- ------------------------------------------------ -->