Mercurial > hg > ltpda
view m-toolbox/html_help/help/ug/constructor_examples_pzmodel.html @ 23:a71a40911c27 database-connection-manager
Update check for repository connection parameter in constructors
author | Daniele Nicolodi <nicolodi@science.unitn.it> |
---|---|
date | Mon, 05 Dec 2011 16:20:06 +0100 |
parents | f0afece42f48 |
children |
line wrap: on
line source
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd"> <html lang="en"> <head> <meta name="generator" content= "HTML Tidy for Mac OS X (vers 1st December 2004), see www.w3.org"> <meta http-equiv="Content-Type" content= "text/html; charset=us-ascii"> <title>Constructor examples of the PZMODEL class (LTPDA Toolbox)</title> <link rel="stylesheet" href="docstyle.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.52.2"> <meta name="description" content= "Presents an overview of the features, system requirements, and starting the toolbox."> </head> <body> <a name="top_of_page" id="top_of_page"></a> <p style="font-size:1px;"> </p> <table class="nav" summary="Navigation aid" border="0" width= "100%" cellpadding="0" cellspacing="0"> <tr> <td valign="baseline"><b>LTPDA Toolbox</b></td><td><a href="../helptoc.html">contents</a></td> <td valign="baseline" align="right"><a href= "constructor_examples_miir.html"><img src="b_prev.gif" border="0" align= "bottom" alt="Constructor examples of the MIIR class"></a> <a href= "constructor_examples_parfrac.html"><img src="b_next.gif" border="0" align= "bottom" alt="Constructor examples of the PARFRAC class"></a></td> </tr> </table> <h1 class="title"><a name="f3-12899" id="f3-12899"></a>Constructor examples of the PZMODEL class</h1> <hr> <p> <!-- -------------------------------------------------- --> <!-- --------------- BEGIN CONTENT FILE --------------- --> <!-- -------------------------------------------------- --> <table border="0" summary="Simple list" class="simplelist_nottable_last"> <tr> <td> <a href="pzmodel_model.html">General information about PZMODEL objects</a> </td> </tr> <tr> <td> <a href="constructor_examples_pzmodel.html#empty">Construct empty PZMODEL object</a> </td> </tr> <tr> <td> <a href="constructor_examples_pzmodel.html#xml_file">Construct a PZMODEL object by loading the object from a file</a> </td> </tr> <tr> <td> <a href="constructor_examples_pzmodel.html#gain_poles_zeros">Construct a PZMODEL object from gain, poles and zeros</a> </td> </tr> <tr> <td> <a href="constructor_examples_pzmodel.html#exist_model">Construct a PZMODEL object from an existing model</a> </td> </tr> <tr> <td> <a href="constructor_examples_pzmodel.html#plist">Construct a PZMODEL object from a parameter list (PLIST) object</a> </td> </tr> </table> <!-- --------------- NEXT EXAMPLE --------------- --> <hr> <h2 class="title"><a href="pzmodel_model.html">General information about pole/zero models</a></h2> <h2 class="title"> <!-- --------------- NEXT EXAMPLE --------------- --> <a href="gui_pzmodel.html">For help in designing a PZMODEL object, see also the PZMODEL Helper GUI documentation</a></h2> <hr> <h2 class="title"><a name="empty"></a>Construct empty PZMODEL object</h2> <p>The following example creates an empty pzmodel object</p> <div class="fragment"><pre class="programlisting"> pzm = pzmodel() ---- pzmodel 1 ---- model: None gain : 0 pole 001: pole(NaN) zero 001: zero(NaN) ------------------- </pre></div> <!-- --------------- NEXT EXAMPLE --------------- --> <hr> <h2 class="title"><a name="xml_file"></a>Construct a PZMODEL object by loading the object from a file</h2> <p>The following example creates a new pzmodel object by loading the pzmodel object from disk.</p> <div class="fragment"><pre class="programlisting"> p = pzmodel(<span class="string">'pzmodel.mat'</span>) p = pzmodel(<span class="string">'pzmodel.xml'</span>) </pre></div> <!-- --------------- NEXT EXAMPLE --------------- --> <hr> <h2 class="title"><a name="gain_poles_zeros"></a>Construct a PZMODEL object from gain, poles and zeros</h2> <p>The following code fragment creates a pole/zero model consisting of 2 poles and 2 zeros with a gain factor of 10:</p> <div class="fragment"><pre class="programlisting"> gain = 10; poles = [pole(1,2) pole(40)]; zeros = [zero(10,3) zero(100)]; pzm = pzmodel(gain, poles, zeros) ---- pzmodel 1 ---- model: None gain : 10 pole 001: pole(1,2) pole 002: pole(40) zero 001: zero(10,3) zero 002: zero(100) ------------------- </pre></div> <p>It is possible to give the model direct a name.</p> <div class="fragment"><pre class="programlisting"> gain = 10; poles = [pole(1,2) pole(40)]; zeros = [zero(10,3) zero(100)]; pzm = pzmodel(gain, poles, zeros, <span class="string">'my model name'</span>) ---- pzmodel 1 ---- model: <span class="string">my model name</span> gain : 10 pole 001: pole(1,2) pole 002: pole(40) zero 001: zero(10,3) zero 002: zero(100) ------------------- </pre></div> <!-- --------------- NEXT EXAMPLE --------------- --> <hr> <h2 class="title"><a name="exist_model"></a>Construct a PZMODEL object from an existing model</h2> <p>The pzmodel constructor also accepts as an input existing models in a LISO file format</p> <div class="fragment"><pre class="programlisting"> pzm = pzmodel(<span class="string">'foo.fil'</span>) </pre></div> <!-- --------------- NEXT EXAMPLE --------------- --> <hr> <h2 class="title"><a name="plist"></a>Construct a PZMODEL object from a parameter list (PLIST) object</h2> <p>Construct a PZMODEL from its definion. <table border="0" summary="Simple list" class="simplelist_nottable_last" width="50%"> <tr valign="top"> <td width="25%"> <p>'gain'</p> </td> <td width="75%"> <p>Model gain [default: 1]</p> </td> </tr> <tr valign="top"> <td width="25%"> <p>'poles'</p> </td> <td width="75%"> <p>Vector of pole objects [default: empty pole]</p> </td> </tr> <tr valign="top"> <td width="25%"> <p>'zeros'</p> </td> <td width="75%"> <p>Vector of zero objects [default: empty zero]</p> </td> </tr> <tr valign="top"> <td width="25%"> <p>'name'</p> </td> <td width="75%"> <p>Name of model [default: 'None']</p> </td> </tr> </table> </p> <div class="fragment"><pre class="programlisting"> poles = [pole(0.1) pole(1,100)]; zeros = [zero(10,3) zero(100)]; pl = plist('name', 'my filter', 'poles', poles, 'zeros', zeros, 'gain', 10); pzm = pzmodel(pl) ---- pzmodel 1 ---- model: my filter gain : 10 pole 001: pole(0.1) pole 002: pole(1,100) zero 001: zero(10,3) zero 002: zero(100) ------------------- </pre></div> <!-- ------------------------------------------------ --> <!-- --------------- END CONTENT FILE --------------- --> <!-- ------------------------------------------------ --> </p> <br> <br> <table class="nav" summary="Navigation aid" border="0" width= "100%" cellpadding="0" cellspacing="0"> <tr valign="top"> <td align="left" width="20"><a href="constructor_examples_miir.html"><img src= "b_prev.gif" border="0" align="bottom" alt= "Constructor examples of the MIIR class"></a> </td> <td align="left">Constructor examples of the MIIR class</td> <td> </td> <td align="right">Constructor examples of the PARFRAC class</td> <td align="right" width="20"><a href= "constructor_examples_parfrac.html"><img src="b_next.gif" border="0" align= "bottom" alt="Constructor examples of the PARFRAC class"></a></td> </tr> </table><br> <p class="copy">©LTP Team</p> </body> </html>