f_tipsiir.asv

digital signal processing常用工具箱

%                                    GUI Module g_iir
%                                       User Tips
%
% 1. All changes to edit box parameters are activated with the Enter key.
%
%      F_0     = lower cutoff frequency
%      F_1     = upper cutoff frequency
%      B       = width of transition band
%      fs      = sampling frequency
%      delta_p = passband ripple
%      delta_s = stopband attenuation
%
% 2. Use the slider bar to adjust the IIR filter order n.
%
% 3. The User-Defined filter type options requirs the name of a MAT file containing the
%    coefficient vectors a and b, and the sampling frequence fs.
%
% 4. For the Save data menu option, you must choose a file name other than
%    the ready only file u_iir1.mat.