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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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10
11 <title>Version 2.0 LTPDA Toolbox Software (LTPDA Toolbox)</title>
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14 <meta name="description" content=
15 "Presents an overview of the features, system requirements, and starting the toolbox.">
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17
18 <body>
19 <a name="top_of_page" id="top_of_page"></a>
20
21 <p style="font-size:1px;">&nbsp;</p>
22
23 <table class="nav" summary="Navigation aid" border="0" width=
24 "100%" cellpadding="0" cellspacing="0">
25 <tr>
26 <td valign="baseline"><b>LTPDA Toolbox</b></td><td><a href="../helptoc.html">contents</a></td>
27
28 <td valign="baseline" align="right"><a href=
29 "releasenotesV2_0_1.html"><img src="b_prev.gif" border="0" align=
30 "bottom" alt="Version 2.0.1 LTPDA Toolbox Software"></a>&nbsp;&nbsp;&nbsp;<a href=
31 "ltpda_top.html"><img src="b_next.gif" border="0" align=
32 "bottom" alt="LTPDA Toolbox"></a></td>
33 </tr>
34 </table>
35
36 <h1 class="title"><a name="f3-12899" id="f3-12899"></a>Version 2.0 LTPDA Toolbox Software</h1>
37 <hr>
38
39 <p>
40
41 <!-- BEGIN: Content file -->
42
43 <a name="top_of_page"></a>
44 <p>This table summarizes what's new in Version 2.0:</p>
45 <table cellspacing="0" class="body" cellpadding="4" border="2" width="100%">
46 <colgroup>
47 <col width="25%">
48 <col width="25%">
49 <col width="25%">
50 <col width="25%">
51 </colgroup>
52 <thead>
53 <tr valign="top">
54 <th bgcolor="#B2B2B2" valign="top"><p>New Features and Changes</p></th>
55 <th bgcolor="#B2B2B2" valign="top"><p>Version Compatibility Considerations</p></th>
56 <th bgcolor="#B2B2B2" valign="top"><p>Fixed Bugs and Known Problems</p></th>
57 <th bgcolor="#B2B2B2" valign="top"><p>Related Documentation at Web Site</p></th>
58 </tr>
59 </thead>
60 <tbody>
61 <tr valign="top">
62 <td bgcolor="#F2F2F2"><p>Yes<br>Details below</p></td>
63 <td bgcolor="#F2F2F2"><p>No</p></td>
64 <td bgcolor="#F2F2F2"><p><a href="https://ed.fbk.eu/ltpda/mantis/login_page.php" target="_top">Bug Reports</a> at Web site</p></td>
65 <td bgcolor="#F2F2F2"><p>Printable Release Notes: <a href="http://www.lisa.aei-hannover.de/ltpda/downloads/version_2_0/files/change_log_v2.0.pdf" target="_top">PDF</a></p></td>
66 </tr>
67 </tbody>
68 </table>
69 <p></p>
70 <ul>
71 <li><p><a href="#introduction">Introduction</a></p></li>
72 <li><p><a href="#newFeatures">New toolbox features and changes</a></p></li>
73 </ul>
74
75 <!-- HEADLINE: Introduction -->
76
77 <h3 class="title" id="introduction">Introduction</h3>
78 <p>There has been a significant amount of work done since V1.9.3.</p>
79
80 <!-- HEADLINE: New toolbox features and changes-->
81
82 <h3 class="title" id="newFeatures">New toolbox features and changes</h3>
83 <p>The highlights are:</p>
84 <ul>
85 <li><p>A new Graphical Programming interface for the construction of
86 signal processing pipelines (LTPDAworkbench)</p></li>
87 <li><p>New data whitening methods are included, <b>ao/whiten1D</b> and
88 <b>ao/whiten2D</b>.</p></li>
89 <li>
90 <p>Most methods of the AO class should now support multiple outputs,
91 in addition to the vector output. For example, the following are supported:</p>
92 <ul>
93 <li><p><b>a = lpsd(b1,b2,b3)</b></p></li>
94 <li><p><b>[a1,a2,a3] = lpsd(b1,b2,b3)</b></p></li>
95 </ul>
96 </li>
97 <li>
98 <p>Model fitting tools:</p>
99 <ul>
100 <li><p><b>curvefit</b> for doing non-linear least-squares,
101 now including weights</p></li>
102 <li><p><b>lscov</b> for doing linear least-squares fitting</p></li>
103 <li><p><b>straightLineFit</b> is a wrapper of <b>lscov</b> for
104 fitting data with a straight-line</p></li>
105 </ul>
106 </li>
107 <li><p>Operators, +-.*./*/, all conform to more standard MATLAB type
108 behaviour. For example, adding a single AO to a vector of AOs results
109 in a vector of AOs where the single AO is added to each element of the vector.</p></li>
110 <li><p>Digital filtering with IIR filters now has two possible ways of
111 applying a bank of filters. By specifying the &lsquo;<b>bank</b>&rsquo;
112 parameter, the filters will be applied as a &lsquo;<b>serial</b>&rsquo;
113 bank or a &lsquo;<b>parallel</b>&rsquo; bank.</p></li>
114 <li><p>Two new noise-generators are included, <b>noisegen1D</b> and
115 <b>noisegen2D</b> (which can produce correlated data streams).</p></li>
116 <li><p>AOs can now be built from a set of built-in models. Users can also
117 write their own models and point LTPDA to a directory (or more than one)
118 containing those model files.</p></li>
119 <li><p>The user preferences of LTPDA are now controlled via a graphical
120 user interface. To adjust the user preferences, run <b>LTPDAprefs</b>.</p></li>
121 <li><p>Two new transfer function representations are present as user classes
122 of this version of the toolbox. The class <b>parfrac</b> allows the
123 user to build transfer function models that are a series of partial
124 fractions; the class <b>rational</b> allows the user to build a
125 transfer function as a rational polynomial in s. Some converters also
126 exist to go between these and the existing transfer function models,
127 <b>pzmodel</b> (pole/zero models), <b>miir</b> (IIR filters) and
128 <b>ssm</b> (state-space models).</p></li>
129 <li><p>A new method, <b>ao/heterodyne</b>, to heterodyne data at a given
130 frequency.</p></li>
131 <li><p>All transfer function representations and digital filters now can
132 be assigned input and output units. This means that units are now
133 propagated through fully through any analysis.</p></li>
134 <li><p>A new <b>rebuild</b> method to rebuild objects from their
135 self-contained history trees.</p></li>
136 <li>
137 <p>New graphical user interfaces</p>
138 <ul>
139 <li><p>modelViewer - a viewer for the built-in ao and ssm models</p></li>
140 <li><p>constructor - a helper for writing object constructors (rewritten)</p></li>
141 </ul>
142 </li>
143 <li><p>New convenient AO methods to apply gain and to add an offset to
144
145 data (<b>scale, offset</b>).</p></li>
146 <li><p>Transfer function estimators now return error terms in the
147 <b>procinfo</b> field of the result <b>ao</b>.</p></li>
148 <li><p>Units are not automatically simplified. Instead the user can now
149 do that on demand with the <b>simplifyYunits</b> method. There are
150 also methods to convert between Hz and s: <b>HzToS</b> and <b>sToHz</b>.</p></li>
151 <li><p>Digital IIR filters are now initialised to a state based on the
152 input data. This should reduce start-up transients.</p></li>
153 <li><p>Data in AOs can be converted from one type to another using the
154 new <b>ao/convert</b> method.</p></li>
155 <li><p>Pole/zero models (<b>pzmodel</b>) now support a delay parameter.</p></li>
156 </ul>
157
158 <!-- END: Content file -->
159
160 </p>
161
162 <br>
163 <br>
164 <table class="nav" summary="Navigation aid" border="0" width=
165 "100%" cellpadding="0" cellspacing="0">
166 <tr valign="top">
167 <td align="left" width="20"><a href="releasenotesV2_0_1.html"><img src=
168 "b_prev.gif" border="0" align="bottom" alt=
169 "Version 2.0.1 LTPDA Toolbox Software"></a>&nbsp;</td>
170
171 <td align="left">Version 2.0.1 LTPDA Toolbox Software</td>
172
173 <td>&nbsp;</td>
174
175 <td align="right">LTPDA Toolbox</td>
176
177 <td align="right" width="20"><a href=
178 "ltpda_top.html"><img src="b_next.gif" border="0" align=
179 "bottom" alt="LTPDA Toolbox"></a></td>
180 </tr>
181 </table><br>
182
183 <p class="copy">&copy;LTP Team</p>
184 </body>
185 </html>