Mercurial > hg > ltpda
diff m-toolbox/html_help/help/ug/gui_pzmodel.html @ 0:f0afece42f48
Import.
author | Daniele Nicolodi <nicolodi@science.unitn.it> |
---|---|
date | Wed, 23 Nov 2011 19:22:13 +0100 |
parents | |
children |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/m-toolbox/html_help/help/ug/gui_pzmodel.html Wed Nov 23 19:22:13 2011 +0100 @@ -0,0 +1,95 @@ +<!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>The pole/zero model helper (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= + "gui_workspacebrowser.html"><img src="b_prev.gif" border="0" align= + "bottom" alt="The LTPDA Workspace Browser"></a> <a href= + "gui_specwin.html"><img src="b_next.gif" border="0" align= + "bottom" alt="The Spectral Window GUI"></a></td> + </tr> + </table> + + <h1 class="title"><a name="f3-12899" id="f3-12899"></a>The pole/zero model helper</h1> + <hr> + + <p> + <p> + The LTPDA toolbox contains a class (<tt>pzmodel</tt>) for creating and using pole/zero models. + The <it>pole/zero model helper GUI</it> allows the user to visualise the pole/zero model as it's + being designed. It also allows the user to quickly see how the corresponding IIR filter + (<tt>miir</tt> object) will look for different sample rates. +</p> +<p> + To start the pole/zero model helper: + <div class="fragment"> + <pre> + >> pzmodel_helper +</pre> + </div> + or click the appropriate button on the LTPDA Launch Bay. +</p> +<p> + Once the GUI is loaded, you will see the following figure: +</p> +<br> +<img src="images/pzmodel_helper.png" alt="pzmodel helper" border="3"> +<br> +<p> + You can add poles and zeros to the model by entering the frequency (and Q) in the edit boxes, then click + <tt>Add pole</tt> or <tt>Add zero</tt> as appropriate. The response is then updated in the response axes. +</p> +<br> +<img src="images/pzmodel_helper_eg1.png" alt="pzmodel helper" border="3"> +<br> + + + </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="gui_workspacebrowser.html"><img src= + "b_prev.gif" border="0" align="bottom" alt= + "The LTPDA Workspace Browser"></a> </td> + + <td align="left">The LTPDA Workspace Browser</td> + + <td> </td> + + <td align="right">The Spectral Window GUI</td> + + <td align="right" width="20"><a href= + "gui_specwin.html"><img src="b_next.gif" border="0" align= + "bottom" alt="The Spectral Window GUI"></a></td> + </tr> + </table><br> + + <p class="copy">©LTP Team</p> +</body> +</html>