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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 <!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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3
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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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9 "text/html; charset=us-ascii">
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10
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11 <title>Writing LTPDA scripts (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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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;">&nbsp;</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 "ltpda_training_topic_1_6.html"><img src="b_prev.gif" border="0" align=
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30 "bottom" alt="Constructing AOs from data files"></a>&nbsp;&nbsp;&nbsp;<a href=
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31 "ltpda_training_topic_1_9.html"><img src="b_next.gif" border="0" align=
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32 "bottom" alt="IFO/Temperature Example - Introduction"></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>Writing LTPDA scripts</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 Up to now, all the activity of the tutorial has been carried out on the MATLAB
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42 command terminal. It is, of course, much more convenient to collect the commands
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43 together in to a MATLAB script. In this sense, LTPDA scripting is just the same
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44 as normal MATLAB scripting; just using LTPDA commands.
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45 </p>
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46 Here's an example script which makes two white-noise time-series and estimated the
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47 power-spectral-density of each.
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48 </p>
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49 <div class="fragment"><pre>
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50 <span class="comment">%% Make two test AOs</span>
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51
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52 a1 = ao(plist(<span class="string">'tsfcn'</span>, <span class="string">'randn(size(t))'</span>, <span class="string">'fs'</span>, 10, <span class="string">'nsecs'</span>, 100));
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53 a2 = ao(plist(<span class="string">'tsfcn'</span>, <span class="string">'randn(size(t))'</span>, <span class="string">'fs'</span>, 10, <span class="string">'nsecs'</span>, 100));
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54
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55 <span class="comment">%% Make TFE</span>
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56
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57 psds = psd(a1, a1);
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58 a1xx = psds(1);
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59 a2xx = psds(2);
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60
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61 <span class="comment">% The following works!.</span>
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62 b1xx = psd(a1);
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63 b2xx = psd(a2);
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64
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65 </pre></div>
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66 <p>
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67 You can explore the commands used to rebuild the object by using the <tt>type</tt>
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68 method. Or you can plot the history as we did earlier. For example, try this command
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69 for each of the cases above:
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70 </p>
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71 <div class="fragment"><pre>
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72 type(a1xx)
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73 type(b1xx)
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74 </pre></div>
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75
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76
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77 </p>
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78
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79 <br>
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80 <br>
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81 <table class="nav" summary="Navigation aid" border="0" width=
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82 "100%" cellpadding="0" cellspacing="0">
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83 <tr valign="top">
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84 <td align="left" width="20"><a href="ltpda_training_topic_1_6.html"><img src=
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85 "b_prev.gif" border="0" align="bottom" alt=
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86 "Constructing AOs from data files"></a>&nbsp;</td>
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87
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88 <td align="left">Constructing AOs from data files</td>
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89
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90 <td>&nbsp;</td>
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91
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92 <td align="right">IFO/Temperature Example - Introduction</td>
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93
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94 <td align="right" width="20"><a href=
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95 "ltpda_training_topic_1_9.html"><img src="b_next.gif" border="0" align=
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96 "bottom" alt="IFO/Temperature Example - Introduction"></a></td>
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97 </tr>
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98 </table><br>
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99
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100 <p class="copy">&copy;LTP Team</p>
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101 </body>
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102 </html>