teqdemov3.m

多载波调制的仿真程序

% TEQDEMOV3 Demonstrates channel equalizer design functions
% in the DMTTEQ Toolbox.
%
% To start the demo type "teqdemov3".
%
% For more information use the "info" button after starting
% the demo.

% Copyright (c) 1999-2002 The University of Texas
% All Rights Reserved.
%  
% This program is free software; you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation; either version 2 of the License, or
% (at your option) any later version.
%  
% This program is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
% GNU General Public License for more details.
%  
% The GNU Public License is available in the file LICENSE, or you
% can write to the Free Software Foundation, Inc., 59 Temple Place -
% Suite 330, Boston, MA 02111-1307, USA, or you can find it on the
% World Wide Web at http://www.fsf.org.
%  
% Programmers:	Ming Ding and Zukang Shen
% Version:      @(#)teqdemov3.m	1.0 09/09/02
% 
% The authors are with the Department of Electrical and Computer
% Engineering, The University of Texas at Austin, Austin, TX.
% They can be reached at [e-mail].
% They are also with the Embedded Signal Processing
% Laboratory in the Dept. of ECE., http://anchovy.ece.utexas.edu.

function  teqdemov3(action);

if nargin < 1,
   action='init';
end;

if strcmp(action,'init'),
h0 = figure('Position',[232 255 575 423], ...
   'ToolBar','none',...
   'name','DMTTEQ ToolBox 3.0',...
   'NumberTitle','off',...
   'Menubar','figure');

figureColor = get(h0, 'Color');    

%Welcome textbox
h1 = uicontrol('Units','normalized', ...
   'Style', 'text', ...
   'HorizontalAlignment','center', ...
   'Units','normalized', ...
   'BackgroundColor', [1 1 1], ...
   'Min', 0, ...
   'Max', 2, ...
   'Value', [], ...
   'Enable', 'inactive', ...
   'Position',[0.05 0.76 0.36 0.17], ...
   'Callback', '', ...
   'String', {'Thank you for using', 'TEQ ToolBox 3.0',...
        'please choose a', 'receiver structure'});

%Design Demo with the Single-path Structure
SPHdl = uicontrol( ...
    'Units','normalized',...
   'Style', 'pushbutton', ...
   'Position', [0.05 0.65 0.36 0.07], ...
   'String', 'Single-Path TEQ', ...
   'Callback', 'teqdemo'); 

%Design Demo with the Dual-path Structure
DPHdl = uicontrol( ...
    'Units','normalized',...
   'Style', 'pushbutton', ...
   'Position', [0.05 0.53 0.36 0.07], ...
   'String', 'Dual-Path TEQ', ...
   'Callback', 'dualteq'); 

%Design Demo with the Per Tone Structure
PETHdl = uicontrol( ...
    'Units','normalized',...
   'Style', 'pushbutton', ...
   'Position', [0.05 0.41 0.36 0.07], ...
   'String', 'Per Tone', ...
   'Callback', 'pertone'); 

%Display the ESPL Logo
ax2=axes( 'Position', [0.05 0.13 0.36 0.25],'visible', 'off');
LogoHdl=imread('ESPLogo','gif');
imshow(LogoHdl);

% create a listbox for displaying the 'about' information
aboutListPos=[0.45,0.25,0.5,0.69];
aboutinfo = {...
'TEQDEMO Demonstrates channel equalizer design functions'
'in the DMTTEQ Toolbox.'
' '
'Copyright (c) 1999-2002 The University of Texas'
'All Rights Reserved.'
' '  
'This program is free software; you can redistribute it and/or modify'
'it under the terms of the GNU General Public License as published by'
'the Free Software Foundation; either version 2 of the License, or'
'(at your option) any later version.'
' '  
'This program is distributed in the hope that it will be useful,'
'but WITHOUT ANY WARRANTY; without even the implied warranty of'
'MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the'
'GNU General Public License for more details.'
' '  
' Director:    Prof. Brian L. Evans'
' Programmers: Dr. Guner Arslan, Dr. Biao Lu, Mr. Ming Ding, and Mr. Zukang Shen'
' Version:      3.0 09/09/02'
' '
' The authors are with the Department of Electrical and Computer'
' Engineering, The University of Texas at Austin, Austin, TX.'};

aboutListH = uicontrol( ...
   'Style', 'list', ...
   'HorizontalAlignment','left', ...
   'Units','normalized', ...
   'BackgroundColor', figureColor, ...
   'Min', 0, ...
   'Max', 2, ...
   'Value', [], ...
   'Enable', 'inactive', ...
   'Position', aboutListPos, ...
   'Callback', '', ...
   'String', aboutinfo, ...
   'Tag', 'AboutListbox');

   % help button
   labelStr='Info';
   callbackStr='teqdemov3(''info'')';
   helpHndl=uicontrol( ...
      'Style','pushbutton', ...
      'Units','normalized', ...
      'Position',[0.45 0.13 0.22 0.07], ...
      'String',labelStr, ...
      'Callback',callbackStr);
  
  %close button
  backH = uicontrol( ...
   'Style', 'pushbutton', ...
   'Units', 'normalized', ...
   'Position', [0.73 0.13 0.22 0.07], ...
   'String', 'Close', ...
   'Tag', 'return', ...
   'Callback', 'close(gcbf)'); 

elseif strcmp(action,'info'),
   ttlStr = get(gcf,'name');
   myFig = gcf;
   
   topic1 =  ['DMT channel equalizaer design demo'];
   helptop1 = [...
     'This demo lets you design channel equalizers for DMT systems and      '
     'analyze its performance.                                              '
     '                                                                      '
     'Usage: choose the different receiver structure to begin the design.   '
     '                                                                      '
     'The following receiver structure are supported:                       '
	 '  Signal path TEQ,                                                    '		  
	 '  Dual path TEQ,                                                      ' 
     '  Per Tone Equalizer banks.                                           '
     ];
   
   
   str =  { topic1 helptop1};
   
   helpwin(str,'Topic 1','DMTTEQ toolbox');                   
   return  

end;