shiyan2.m

基于matlab实现的界面

function varargout = shiyan2(varargin)
% SHIYAN2 Application M-file for shiyan2.fig
%    FIG = SHIYAN2 launch shiyan2 GUI.
%    SHIYAN2('callback_name', ...) invoke the named callback.

% Last Modified by GUIDE v2.0 06-May-2003 08:13:43

if nargin == 0  % LAUNCH GUI

	fig = openfig(mfilename,'reuse');

	% Generate a structure of handles to pass to callbacks, and store it. 
	handles = guihandles(fig);
	guidata(fig, handles);
    set(handles.T_radio1,'value',1);
    set(handles.T_radio11,'value',1);
    set(handles.T_radio21,'Enable','off');
    set(handles.T_radio22,'Enable','off');
    set(handles.T_radio23,'Enable','off');
	if nargout > 0s
		varargout{1} = fig;
	end

elseif ischar(varargin{1}) % INVOKE NAMED SUBFUNCTION OR CALLBACK

	try
		if (nargout)
			[varargout{1:nargout}] = feval(varargin{:}); % FEVAL switchyard
		else
			feval(varargin{:}); % FEVAL switchyard
		end
	catch
		disp(lasterr);
	end

end


% --------------------------------------------------------------------
function varargout = radiobutton1_Callback(h, eventdata, handles, varargin)
set(handles.T_radio1,'value',1);
set(handles.T_radio2,'value',0);
set(handles.T_radio3,'value',0);
set(handles.T_radio4,'value',0);
set(handles.T_radio5,'value',0);
set(handles.T_radio6,'value',0);
set(handles.T_radio7,'value',0);
set(handles.T_radio8,'value',0);
set(handles.T_radio21,'Enable','off');
set(handles.T_radio22,'Enable','off');
set(handles.T_radio23,'Enable','off');
set(handles.T_radio11,'Enable','on');
set(handles.T_radio12,'Enable','on');
% --------------------------------------------------------------------
function varargout = radiobutton2_Callback(h, eventdata, handles, varargin)
set(handles.T_radio2,'value',1);
set(handles.T_radio1,'value',0);
set(handles.T_radio3,'value',0);
set(handles.T_radio4,'value',0);
set(handles.T_radio5,'value',0);
set(handles.T_radio6,'value',0);
set(handles.T_radio7,'value',0);
set(handles.T_radio8,'value',0);
set(handles.T_radio21,'Enable','off');
set(handles.T_radio22,'Enable','off');
set(handles.T_radio23,'Enable','off');
set(handles.T_radio11,'Enable','on');
set(handles.T_radio12,'Enable','on');
% --------------------------------------------------------------------
function varargout = radiobutton3_Callback(h, eventdata, handles, varargin)
set(handles.T_radio3,'value',1);
set(handles.T_radio1,'value',0);
set(handles.T_radio2,'value',0);
set(handles.T_radio4,'value',0);
set(handles.T_radio5,'value',0);
set(handles.T_radio6,'value',0);
set(handles.T_radio7,'value',0);
set(handles.T_radio8,'value',0);
set(handles.T_radio21,'Enable','off');
set(handles.T_radio22,'Enable','off');
set(handles.T_radio23,'Enable','off');
set(handles.T_radio11,'Enable','on');
set(handles.T_radio12,'Enable','on');
% --------------------------------------------------------------------
function varargout = radiobutton4_Callback(h, eventdata, handles, varargin)
set(handles.T_radio4,'value',1);
set(handles.T_radio2,'value',0);
set(handles.T_radio3,'value',0);
set(handles.T_radio1,'value',0);
set(handles.T_radio5,'value',0);
set(handles.T_radio6,'value',0);
set(handles.T_radio7,'value',0);
set(handles.T_radio8,'value',0);
set(handles.T_radio21,'Enable','off');
set(handles.T_radio22,'Enable','off');
set(handles.T_radio23,'Enable','off');
% --------------------------------------------------------------------
function varargout = radiobutton5_Callback(h, eventdata, handles, varargin)
set(handles.T_radio5,'value',1);
set(handles.T_radio2,'value',0);
set(handles.T_radio3,'value',0);
set(handles.T_radio4,'value',0);
set(handles.T_radio1,'value',0);
set(handles.T_radio6,'value',0);
set(handles.T_radio7,'value',0);
set(handles.T_radio8,'value',0);
set(handles.T_radio21,'Enable','off');
set(handles.T_radio22,'Enable','off');
set(handles.T_radio23,'Enable','off');
set(handles.T_radio11,'Enable','on');
set(handles.T_radio12,'Enable','on');
% --------------------------------------------------------------------
function varargout = radiobutton6_Callback(h, eventdata, handles, varargin)
set(handles.T_radio6,'value',1);
set(handles.T_radio2,'value',0);
set(handles.T_radio3,'value',0);
set(handles.T_radio4,'value',0);
set(handles.T_radio5,'value',0);
set(handles.T_radio1,'value',0);
set(handles.T_radio7,'value',0);
set(handles.T_radio8,'value',0);
set(handles.T_radio21,'Enable','on');
set(handles.T_radio22,'Enable','on');
set(handles.T_radio23,'Enable','on');
set(handles.T_radio11,'Enable','off');
set(handles.T_radio12,'Enable','off');
% --------------------------------------------------------------------
function varargout = radiobutton7_Callback(h, eventdata, handles, varargin)
set(handles.T_radio7,'value',1);
set(handles.T_radio2,'value',0);
set(handles.T_radio3,'value',0);
set(handles.T_radio4,'value',0);
set(handles.T_radio5,'value',0);
set(handles.T_radio6,'value',0);
set(handles.T_radio1,'value',0);
set(handles.T_radio8,'value',0);
set(handles.T_radio21,'Enable','off');
set(handles.T_radio22,'Enable','off');
set(handles.T_radio23,'Enable','off');
set(handles.T_radio11,'Enable','on');
set(handles.T_radio12,'Enable','on');
% --------------------------------------------------------------------
function varargout = radiobutton8_Callback(h, eventdata, handles, varargin)
set(handles.T_radio8,'value',1);
set(handles.T_radio2,'value',0);
set(handles.T_radio3,'value',0);
set(handles.T_radio4,'value',0);
set(handles.T_radio5,'value',0);
set(handles.T_radio6,'value',0);
set(handles.T_radio7,'value',0);
set(handles.T_radio1,'value',0);
set(handles.T_radio21,'Enable','off');
set(handles.T_radio22,'Enable','off');
set(handles.T_radio23,'Enable','off');
set(handles.T_radio11,'Enable','on');
set(handles.T_radio12,'Enable','on');
% --------------------------------------------------------------------
function varargout = radiobutton11_Callback(h, eventdata, handles, varargin)
set(handles.T_radio11,'value',1);
set(handles.T_radio12,'value',0);

% --------------------------------------------------------------------
function varargout = radiobutton12_Callback(h, eventdata, handles, varargin)
set(handles.T_radio11,'value',0);
set(handles.T_radio12,'value',1);
% --------------------------------------------------------------------
function varargout = radiobutton21_Callback(h, eventdata, handles, varargin)
set(handles.T_radio21,'value',1);
set(handles.T_radio22,'value',0);
set(handles.T_radio23,'value',0);
% --------------------------------------------------------------------
function varargout = radiobutton22_Callback(h, eventdata, handles, varargin)
set(handles.T_radio21,'value',0);
set(handles.T_radio22,'value',1);
set(handles.T_radio23,'value',0);
% --------------------------------------------------------------------
function varargout = radiobutton23_Callback(h, eventdata, handles, varargin)
set(handles.T_radio21,'value',0);
set(handles.T_radio22,'value',0);
set(handles.T_radio23,'value',1);

% --------------------------------------------------------------------
function varargout = pushbutton2_Callback(h, eventdata, handles, varargin)%七信号的对称性分析
n=0:15;
x=cos(0.25*pi*n)+sin(pi*n/8);
f=fft(x,16);
% f=e_DFT(x,16);
k=conj(f);        %conj()共轭复数函数
x4=(f+k)/2;
subplot(2,3,3);
stem(n,abs(x4),'.');%原来的程序有问题
xlabel('k');
ylabel('|X4(k)|');
title('对程变换后的X4(k)');
x5=(f-k)/2;
subplot(2,3,6);
stem(n,abs(x5),'.');%原来的程序有问题
xlabel('k');
ylabel('|X5(k)|');
title('对程变换后的X5(k)');
% --------------------------------------------------------------------
function varargout = pushbutton3_Callback(h, eventdata, handles, varargin)%八信号的对称性分析
n=0:15;
x=cos(0.25*pi*n)+j*sin(pi*n/4);
f=fft(x,16);
k(1)=conj(f(1));
for i=2:16
k(i)=conj(f(18-i));
end %conj()共轭复数函数
n=0:15;
x1=(f+k)/2;
subplot(2,3,3);
stem(n,abs(x1),'.');%原来的程序有问题
xlabel('k');
ylabel('|X4(k)|');
title('X4(k) after recovering');
x2=j*(f-k)/2;
subplot(2,3,6);
stem(n,abs(x2),'.');%原来的程序有问题
xlabel('k');
ylabel('|X5(k)|');
title('X5(k) after recovering')
% --------------------------------------------------------------------
function varargout = pushbutton4_Callback(h, eventdata, handles, varargin)
if(get(handles.T_radio1,'value')&get(handles.T_radio11,'value'))
x=[1 1 1 1 0 0 0 0]; %产生第一个信号
f=fft(x,8);%to caculate FFT
ex2_printf(x,abs(f),8,1);
end
if(get(handles.T_radio1,'value')&get(handles.T_radio12,'value'))
x=[1 1 1 1 0 0 0 0]; %产生第一个信号
f=fft(x,16);%to caculate FFT
ex2_printf(x,abs(f),16,1);
end
if(get(handles.T_radio2,'value')&get(handles.T_radio11,'value'))
x=[1 2 3 4 4 3 2 1];%产生第二个信号
f=fft(x,8);%to caculate FFT
ex2_printf(x,abs(f),8,2)
end

if(get(handles.T_radio2,'value')&get(handles.T_radio12,'value'))
x=[1 2 3 4 4 3 2 1];%产生第二个信号
f=fft(x,16);%to caculate FFT
ex2_printf(x,abs(f),16,2)
end


if(get(handles.T_radio3,'value')&get(handles.T_radio11,'value'))
x=[4 3 2 1 1 2 3 4];%产生第三信号
f=fft(x,8);%to caculate FFT
ex2_printf(x,abs(f),8,3)
end

if(get(handles.T_radio3,'value')&get(handles.T_radio12,'value'))
x=[4 3 2 1 1 2 3 4];%产生第三信号
f=fft(x,16);%to caculate FFT
ex2_printf(x,abs(f),16,3)
end


if(get(handles.T_radio4,'value')&get(handles.T_radio11,'value'))
n=0:7;
x=cos(0.25*pi*n);
f=fft(x,8);
ex2_printf(x,abs(f),8,4);
end

if(get(handles.T_radio4,'value')&get(handles.T_radio12,'value'))
n=0:15;
x=cos(0.25*pi*n);
f=fft(x,16);
ex2_printf(x,abs(f),16,4);
end


if(get(handles.T_radio5,'value')&get(handles.T_radio11,'value'))
n=0:7;
x=sin(pi*n/8);
f=fft(x,8);
ex2_printf(x,abs(f),8,5);
end

if(get(handles.T_radio5,'value')&get(handles.T_radio12,'value'))
n=0:15;
x=sin(pi*n/8);
f=fft(x,16);
ex2_printf(x,abs(f),16,5);
end


if(get(handles.T_radio6,'value')&get(handles.T_radio21,'value'))
fs=64;
n=0:15;
x=cos(8*pi*n/fs)+cos(16*pi*n/fs)+cos(20*pi*n/fs);
f=fft(x,16);
ex2_printf(x,abs(f),16,6);
end

if(get(handles.T_radio6,'value')&get(handles.T_radio22,'value'))
fs=64;
n=0:31;
x=cos(8*pi*n/fs)+cos(16*pi*n/fs)+cos(20*pi*n/fs);
f=fft(x,32);
ex2_printf(x,abs(f),32,6);
end


if(get(handles.T_radio6,'value')&get(handles.T_radio23,'value'))
fs=64;
n=0:63;
x=cos(8*pi*n/fs)+cos(16*pi*n/fs)+cos(20*pi*n/fs);
f=fft(x,64);
ex2_printf(x,abs(f),64,6);
end

if(get(handles.T_radio7,'value')&get(handles.T_radio11,'value'))
n=0:7;
x=cos(0.25*pi*n)+sin(pi*n/8);
f=fft(x,8);
ex2_printf(x,abs(f),8,7);
end

if(get(handles.T_radio7,'value')&get(handles.T_radio12,'value'))
n=0:15;
x=cos(0.25*pi*n)+sin(pi*n/8);
f=fft(x,16);
ex2_printf(x,abs(f),16,7);
end


if(get(handles.T_radio8,'value')&get(handles.T_radio11,'value'))%第八8点FFT变换
n=0:7;
x=cos(0.25*pi*n)+j*sin(pi*n/8);
f=fft(x,8);
subplot(2,3,2);
stem(n,abs(x),'.');
text(3.2,0.5*max(abs(x)),'x(8) waveform');
ex2_printf(x,abs(f),8,8);   
end

if(get(handles.T_radio8,'value')&get(handles.T_radio12,'value'))%第八16点FFT变换
n=0:15;
x=cos(0.25*pi*n)+j*sin(pi*n/8);
f=fft(x,16);
subplot(2,3,2);
stem(n,abs(x),'.');
text(3.2,0.5*max(abs(x)),'x(8) waveform');
ex2_printf(x,abs(f),16,8);
end