function varargout = diplomarbeit(varargin)

gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...
                   'gui_Singleton',  gui_Singleton, ...
                   'gui_OpeningFcn', @diplomarbeit_OpeningFcn, ...
                   'gui_OutputFcn',  @diplomarbeit_OutputFcn, ...
                   'gui_LayoutFcn',  [] , ...
                   'gui_Callback',   []);
if nargin && ischar(varargin{1})
    gui_State.gui_Callback = str2func(varargin{1});
end

if nargout
    [varargout{1:nargout}] = gui_mainfcn(gui_State, varargin{:});
else
    gui_mainfcn(gui_State, varargin{:});
end

function diplomarbeit_OpeningFcn(hObject, eventdata, handles, varargin)

handles.output = hObject;


guidata(hObject, handles);





function varargout = diplomarbeit_OutputFcn(hObject, eventdata, handles) 

varargout{1} = handles.output;



function kurrolation_Callback(hObject, eventdata, handles)

function sin_Callback(hObject, eventdata, handles)

function cos_Callback(hObject, eventdata, handles)

function tri_Callback(hObject, eventdata, handles)

function si_Callback(hObject, eventdata, handles)
    
function falten_Callback(hObject, eventdata, handles)    

function rect_Callback(hObject, eventdata, handles)



function funk_SelectionChangeFcn(hObject, eventdata, handles)
    
      global y
      

      t=0:0.01:2*pi;

        switch get(hObject,'Tag')                      

            case 'sin'
              y=sin(t);
            

            case 'cos'
              y=cos(t);
               
                
            case 'tri'
              y = tripuls(t);
               
                
            case 'si'    
             y = sin(4*t-2*t)./t;          
            
                
            case 'rect'
              y=rectpuls(t); 
               
%             otherwise
                
        end
        
        axes(handles.signal);
        plot(t,y);
        grid on;



function startbutton_Callback(hObject, eventdata, handles)
   
         global y
         
                     
            yf=conv(y,y);
            
%             laenge=size(yf)
%             d=laenge(2)-1
%             tf=linspace(0,laenge(2)-1,laenge(2))
          
            axes(handles.kontinuierlich);

            plot(yf);
            grid on;
             



function korrelationbutton_Callback(hObject, eventdata, handles)

        global y
       
             
            yf=fft(y);
            
%             laenge=size(yf)
%             d=laenge(2)-1
%             tf=linspace(0,laenge(2)-1,laenge(2))
          
            axes(handles.diskrete);
            plot(yf);
            grid on;