tfesthlp.m

ADSP TOOLBOX: Version 2.0 and gui m-files

function tfesthlp
% TFESTHLP Help file for TFESTGUI


% ADSP Toolbox: Version 2.0 
% For use with "Analog and Digital Signal Processing", 2nd Ed.
% Published by PWS Publishing Co.
%
% Ashok Ambardar, EE Dept. MTU, Houghton, MI 49931, USA
% http://www.ee.mtu/faculty/akambard.html
% e-mail: [e-mail]
% Copyright (c) 1998


%============================================================
    tit_str= 'DT TRANSFER FUNCTION ESTIMATION';
    page1= ...                                          
        ['                                                 '
         ' This GUI approximates a DT transfer function    '
         ' by an FIR filter using correlation methods.     ' 
         '                                                 '   
         ' Edit values for the numerator and denominator   '
         ' of the transfer function and press ACCEPT.      '
         '                                                 '
         ' The transfer function estimate is based on a    '
         ' Welch PSD estimate to a white noise input.      '
         '                                                 '
         ' You can edit the noise length, filter length    '
         ' the percent overlap and the window type         '
         '                                                 '
         ' The plots compare the magnitude and phase of    '
         ' the actual transfer function and its estimate.  '  
         '                                                 '
         ' All plots are updated as edits are made.        '];
 

    page2= ...                                          
        [' SPECIAL FEATURES                                ' 
         '                                                 '
         ' CURSOR: Turn it on and then move and click      '
         ' the mouse button inside a plot to activate.     '
         ' The co-ordinates of the mouse are displayed in  '
         ' the upper right corner as you move the mouse.   '
         '                                                 '
         ' You can enter workspace variables into the      '
         ' numerator and denominator fields if prefixed    '
         ' by W. For example, the variable name xyz        '
         ' must be entered as Wxyz                         '
         '                                                 '
         '                                                 '
         ' M-FILE NAME:  tfestgui                          '];

    helpgui(tit_str,page1,page2);