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1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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2 "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd">
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4 <html lang="en">
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5 <head>
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6 <meta name="generator" content=
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7 "HTML Tidy for Mac OS X (vers 1st December 2004), see www.w3.org">
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8 <meta http-equiv="Content-Type" content=
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11 <title>Introducing LTPDA Objects (LTPDA Toolbox)</title>
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12 <link rel="stylesheet" href="docstyle.css" type="text/css">
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13 <meta name="generator" content="DocBook XSL Stylesheets V1.52.2">
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14 <meta name="description" content=
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15 "Presents an overview of the features, system requirements, and starting the toolbox.">
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16 </head>
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17
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18 <body>
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19 <a name="top_of_page" id="top_of_page"></a>
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20
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21 <p style="font-size:1px;"> </p>
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22
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23 <table class="nav" summary="Navigation aid" border="0" width=
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24 "100%" cellpadding="0" cellspacing="0">
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25 <tr>
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26 <td valign="baseline"><b>LTPDA Toolbox</b></td><td><a href="../helptoc.html">contents</a></td>
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27
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28 <td valign="baseline" align="right"><a href=
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29 "userguide.html"><img src="b_prev.gif" border="0" align=
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30 "bottom" alt="User Guide"></a> <a href=
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31 "object_types.html"><img src="b_next.gif" border="0" align=
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32 "bottom" alt="Types of User Objects"></a></td>
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33 </tr>
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34 </table>
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35
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36 <h1 class="title"><a name="f3-12899" id="f3-12899"></a>Introducing LTPDA Objects</h1>
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37 <hr>
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38
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39 <p>
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40 <p>
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41 The LTPDA toolbox is object oriented and as such, extends the MATLAB object types to many others. All data processing is
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42 done using objects and methods of those classes.
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43 </p>
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44 <p>
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45 For full details of objects in MATLAB, refer to <a href="matlab:web(['jar:file:///' matlabroot '/help/techdoc/help.jar!/matlab_oop/ug_intropage.html'])">MATLAB Classes and Object-Oriented Programming</a>.
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46 </p>
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47 <a name="classes" id= "classes"><h3 class="title">LTPDA Classes</h3></a>
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48
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49 <p>
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50 Various classes make up the object-oriented infrastructure of LTPDA. The figure below shows all the classes in LTPDA.
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51 All classes are derived from the base class, <tt>ltpda_obj</tt>. The classes then fall into two main types deriving
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52 from the classes <tt>ltpda_nuo</tt> and <tt>ltpda_uo</tt>.
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53 </p>
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54 <br>
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55 <img src="images/objects_class_diagram.png" alt="LTPDA classes">
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56 <br>
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57 <p>
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58 The left branch, <tt>ltpda_nuo</tt>, are termed 'non-user objects'. These
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59 objects are not typically accessed or created by users. The right branch, <tt>ltpda_uo</tt>, are termed 'user objects'.
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60 These objects have a 'name' and a 'history' property which means that their processing history is tracked through all
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61 LTPDA algorithms. In addition, these 'user objects' can be saved to disk or to an LTPDA repository.
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62 </p>
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63 <p>
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64 The objects drawn in green are expected to be created by users in scripts or on the LTPDA GUI.
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65 </p>
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66
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67
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68 <p>Details of each class are given in:</p>
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69
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70 <table border="1" cellpadding="2" width="30%" bgcolor="#DDDDDD">
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71 <tr valign="top">
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72 <td><a href="class_desc_ao.html">analysis object class</a></td>
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73 </tr>
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74 <tr valign="top">
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75 <td><a href="class_desc_ssm.html">statespace model class</a></td>
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76 </tr>
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77 <tr valign="top">
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78 <td><a href="class_desc_rational.html">rational class</a></td>
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79 </tr>
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80 <tr valign="top">
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81 <td><a href="class_desc_parfrac.html">partial fraction class</a></td>
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82 </tr>
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83 <tr valign="top">
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84 <td><a href="class_desc_pzmodel.html">pole/zero model class</a></td>
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85 </tr>
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86 <tr valign="top">
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87 <td><a href="class_desc_miir.html">iir filter class</a></td>
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88 </tr>
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89 <tr valign="top">
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90 <td><a href="class_desc_mfir.html">fir filter class</a></td>
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91 </tr>
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92 <tr valign="top">
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93 <td><a href="class_desc_timespan.html">timespan class</a></td>
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94 </tr>
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95 <tr valign="top">
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96 <td><a href="class_desc_plist.html">parameter list class</a></td>
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97 </tr>
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98 <tr valign="top">
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99 <td><a href="class_desc_specwin.html">spectral window class</a></td>
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100 </tr>
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101 <tr valign="top">
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102 <td><a href="class_desc_time.html">time class</a></td>
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103 </tr>
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104 <tr valign="top">
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105 <td><a href="class_desc_pz.html">pole/zero class</a></td>
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106 </tr>
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107 <tr valign="top">
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108 <td><a href="class_desc_minfo.html">method info class</a></td>
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109 </tr>
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110 <tr valign="top">
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111 <td><a href="class_desc_history.html">history class</a></td>
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112 </tr>
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113 <tr valign="top">
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114 <td><a href="class_desc_provenance.html">provenance class</a></td>
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115 </tr>
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116 <tr valign="top">
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117 <td><a href="class_desc_param.html">parameter class</a></td>
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118 </tr>
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119 <tr valign="top">
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120 <td><a href="class_desc_unit.html">unit class</a></td>
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121 </tr>
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122 <tr valign="top">
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123 <td><a href="class_desc_cdata.html">constant data class</a></td>
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124 </tr>
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125 <tr valign="top">
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126 <td><a href="class_desc_xydata.html">xy data class</a></td>
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127 </tr>
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128 <tr valign="top">
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129 <td><a href="class_desc_tsdata.html">time-series data class</a></td>
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130 </tr>
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131 <tr valign="top">
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132 <td><a href="class_desc_fsdata.html">frequency-series data class</a></td>
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133 </tr>
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134 <tr valign="top">
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135 <td><a href="class_desc_xyzdata.html">xyz data class</a></td>
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136 </tr>
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137 </table>
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138
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139 </p>
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140
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141 <br>
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142 <br>
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143 <table class="nav" summary="Navigation aid" border="0" width=
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144 "100%" cellpadding="0" cellspacing="0">
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145 <tr valign="top">
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146 <td align="left" width="20"><a href="userguide.html"><img src=
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147 "b_prev.gif" border="0" align="bottom" alt=
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148 "User Guide"></a> </td>
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149
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150 <td align="left">User Guide</td>
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151
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152 <td> </td>
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153
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154 <td align="right">Types of User Objects</td>
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155
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156 <td align="right" width="20"><a href=
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157 "object_types.html"><img src="b_next.gif" border="0" align=
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158 "bottom" alt="Types of User Objects"></a></td>
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159 </tr>
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160 </table><br>
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161
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162 <p class="copy">©LTP Team</p>
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163 </body>
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164 </html>
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