show_hn.m

信号实验常用的simulink模型和mfile,可直接在matlan下运行。

function show_hn();

%===============
% axz 1999-12-18
%===============

h_button=gco;
h_cmp=get(h_button,'UserData');

if strcmp(get(h_button,'String'),'显示脉冲响应'),
   set(h_cmp([2 3 6 7]),'Visible','off');
   set(h_cmp(4),'Visible','on');
   set(h_button,'String','显示频率响应');
else,
   set(h_cmp([2 3 6 7]),'Visible','on');
   set(h_cmp(4),'Visible','off');
   set(h_button,'String','显示脉冲响应');
end;