Hi all, I had try to plot the graph with GUIDE and I use check box to activate it. Focus on function time_Callback(hObject, eventdata, handles). Both time and frequency will be similar.
function varargout = demomo_DSBSC(varargin)
% DEMOMO_DSBSC MATLAB code for demomo_DSBSC.fig
% DEMOMO_DSBSC, by itself, creates a new DEMOMO_DSBSC or raises the existing
% singleton*.
%
% H = DEMOMO_DSBSC returns the handle to a new DEMOMO_DSBSC or the handle to
% the existing singleton*.
%
% DEMOMO_DSBSC('CALLBACK',hObject,eventData,handles,...) calls the local
% function named CALLBACK in DEMOMO_DSBSC.M with the given input arguments.
%
% DEMOMO_DSBSC('Property','Value',...) creates a new DEMOMO_DSBSC or raises the
% existing singleton*. Starting from the left, property value pairs are
% applied to the GUI before demomo_DSBSC_OpeningFcn gets called. An
% unrecognized property name or invalid value makes property application
% stop. All inputs are passed to demomo_DSBSC_OpeningFcn via varargin.
%
% *See GUI Options on GUIDE's Tools menu. Choose "GUI allows only one
% instance to run (singleton)".
%
% See also: GUIDE, GUIDATA, GUIHANDLES
% Edit the above text to modify the response to help demomo_DSBSC
% Last Modified by GUIDE v2.5 15-Dec-2020 02:33:07
% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name', mfilename, ...
'gui_Singleton', gui_Singleton, ...
'gui_OpeningFcn', @demomo_DSBSC_OpeningFcn, ...
'gui_OutputFcn', @demomo_DSBSC_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
% End initialization code - DO NOT EDIT
% --- Executes just before demomo_DSBSC is made visible.
function demomo_DSBSC_OpeningFcn(hObject, ~, handles, varargin)
% This function has no output args, see OutputFcn.
% hObject handle to figure
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% varargin command line arguments to demomo_DSBSC (see VARARGIN)
% Choose default command line output for demomo_DSBSC
handles.output = hObject;
% Update handles structure
guidata(hObject, handles);
% UIWAIT makes demomo_DSBSC wait for user response (see UIRESUME)
% uiwait(handles.figure1);
% --- Outputs from this function are returned to the command line.
function varargout = demomo_DSBSC_OutputFcn(hObject, eventdata, handles)
% varargout cell array for returning output args (see VARARGOUT);
% hObject handle to figure
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% Get default command line output from handles structure
varargout{1} = handles.output;
% --- Executes during object creation, after setting all properties.
function uipanel2_CreateFcn(hObject, eventdata, handles)
% hObject handle to uipanel2 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles empty - handles not created until after all CreateFcns called
% --- Executes on selection change in popupmenu2.
function popupmenu2_Callback(hObject, eventdata, handles)
% hObject handle to popupmenu2 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% Hints: contents = cellstr(get(hObject,'String')) returns popupmenu2 contents as cell array
% contents{get(hObject,'Value')} returns selected item from popupmenu2
% --- Executes during object creation, after setting all properties.
function popupmenu2_CreateFcn(hObject, eventdata, handles)
% hObject handle to popupmenu2 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles empty - handles not created until after all CreateFcns called
% Hint: popupmenu controls usually have a white background on Windows.
% See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor','white');
end
% --- Executes on selection change in popupmenu1.
function popupmenu1_Callback(hObject, eventdata, handles)
% hObject handle to popupmenu1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% Hints: contents = cellstr(get(hObject,'String')) returns popupmenu1 contents as cell array
% contents{get(hObject,'Value')} returns selected item from popupmenu1
% --- Executes during object creation, after setting all properties.
function popupmenu1_CreateFcn(hObject, eventdata, handles)
% hObject handle to popupmenu1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles empty - handles not created until after all CreateFcns called
% Hint: popupmenu controls usually have a white background on Windows.
% See ISPC and COMPUTER.
if ispc && isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))
set(hObject,'BackgroundColor','white');
end
% --- Executes on button press in time.
function time_Callback(hObject, eventdata, handles)
% hObject handle to time (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)
% Hint: get(hObject,'Value') returns toggle state of time
p=get(handles.popupmenu1);
t = -0.02 : 1.e-4:0;
t1 = -0.02 : 1.e-4:0;
t2= 0:1.e-4 :0.02;
Ta=0.01;
m1 = 1- abs((t1+Ta)/Ta);
m1= [zeros([1 200]), m1, zeros([1 400])];
m2 = 1- abs((t2-Ta)/Ta);
m2= [zeros([1 400]), m2, zeros([1 200])];
m=m1-m2; %message signal
fc= 400; %Frequency of carrier signal
c=cos(2*fc*pi*t); %carrier signal
dsb= 2*m.*c;% dsbsc signal
dem= dsb.*c;
a= fir1(25,100*1.e-4);
b=1;
switch(p)
case(1)
m;
case(2)
c;
case (3)
dsb;
case (4)
dem;
case (5)
rec=filter(a,b, dem);
end
y=modulate(m,c,dsb,dem,rec);
plot(t,y)
axis([-0.02,0,-2,2])
xlabel('time')
ylabel('amplitude')
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
My goal is when I choose the popmenu and activate one of the Signal, it will pop out one of the graph below. I had use switch and case to overcome this problem, but it do not works.
