function varargout = xj_3(varargin)% XJ_3 M-file for xj_3.fig%      XJ_3, by itself, creates a new XJ_3 or raises the existing%      singleton*.%%      H = XJ_3 returns the handle to a new XJ_3 or the handle to%      the existing singleton*.%%      XJ_3('CALLBACK',hObject,eventData,handles,...) calls the local%      function named CALLBACK in XJ_3.M with the given input arguments.%%      XJ_3('Property','Value',...) creates a new XJ_3 or raises the%      existing singleton*.  Starting from the left, property value pairs are%      applied to the GUI before xj_3_OpeningFcn gets called.  An%      unrecognized property name or invalid value makes property application%      stop.  All inputs are passed to xj_3_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 xj_3% Last Modified by GUIDE v2.5 23-Jul-2008 16:06:55% Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct('gui_Name',       mfilename, ...                   'gui_Singleton',  gui_Singleton, ...                   'gui_OpeningFcn', @xj_3_OpeningFcn, ...                   'gui_OutputFcn',  @xj_3_OutputFcn, ...                   'gui_LayoutFcn',  [] , ...                   'gui_Callback',   []);if nargin && ischar(varargin{1})    gui_State.gui_Callback = str2func(varargin{1});endif 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 xj_3 is made visible.function xj_3_OpeningFcn(hObject, eventdata, 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 xj_3 (see VARARGIN)% Choose default command line output for xj_3handles.output = hObject;% Update handles structureguidata(hObject, handles);% UIWAIT makes xj_3 wait for user response (see UIRESUME)% uiwait(handles.figure1);% --- Outputs from this function are returned to the command line.function varargout = xj_3_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 structurevarargout{1} = handles.output;% --- Executes on button press in pushbutton1.function pushbutton1_Callback(hObject, eventdata, handles)t=0:0.01:10;hfstext=findobj('tag','edit1');h=get(hfstext,'string');w=str2num(h);axes(handles.axes1);y=square(w*t);plot(t,y);xlabel('時(shí)間(t)');ylabel('幅值');title('周期方波信號(hào)');% hObject    handle to pushbutton1 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% --- Executes on button press in pushbutton2.function pushbutton2_Callback(hObject, eventdata, handles)t=0:0.01:10;hfstext1=findobj('tag','edit2');h1=get(hfstext1,'string');w1=str2num(h1);axes(handles.axes2);y=sin(w1*t);plot(t,y,'r');xlabel('時(shí)間(t)');ylabel('幅值');title('正弦信號(hào)');% hObject    handle to pushbutton2 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% --- Executes on button press in pushbutton3.function pushbutton3_Callback(hObject, eventdata, handles)t=0:0.01:10;hfstext=findobj('tag','edit1');h=get(hfstext,'string');w=str2num(h);y=square(w*t);hfstext1=findobj('tag','edit2');h1=get(hfstext1,'string');w1=str2num(h1);y1=sin(w1*t);z=y+y1;axes(handles.axes3);plot(t,z,'g');xlabel('時(shí)間(t)');ylabel('幅值');title('信號(hào)相加');% hObject    handle to pushbutton3 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% --- Executes on button press in pushbutton4.function pushbutton4_Callback(hObject, eventdata, handles)close;main% hObject    handle to pushbutton4 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% --- Executes on slider movement.function slider1_Callback(hObject, eventdata, handles)fs=get(hObject,'value');hfstext=findobj('tag','edit1');set(hfstext,'string',num2str(fs));% hObject    handle to slider1 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% Hints: get(hObject,'Value') returns position of slider%        get(hObject,'Min') and get(hObject,'Max') to determine range of slider% --- Executes during object creation, after setting all properties.function slider1_CreateFcn(hObject, eventdata, handles)% hObject    handle to slider1 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    empty - handles not created until after all CreateFcns called% Hint: slider controls usually have a light gray background.if isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))    set(hObject,'BackgroundColor',[.9 .9 .9]);end% --- Executes on slider movement.function slider2_Callback(hObject, eventdata, handles)w=get(hObject,'value');e=findobj('tag','edit2');set(e,'string',num2str(w));% hObject    handle to slider2 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% Hints: get(hObject,'Value') returns position of slider%        get(hObject,'Min') and get(hObject,'Max') to determine range of slider% --- Executes during object creation, after setting all properties.function slider2_CreateFcn(hObject, eventdata, handles)% hObject    handle to slider2 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    empty - handles not created until after all CreateFcns called% Hint: slider controls usually have a light gray background.if isequal(get(hObject,'BackgroundColor'), get(0,'defaultUicontrolBackgroundColor'))    set(hObject,'BackgroundColor',[.9 .9 .9]);endfunction edit1_Callback(hObject, eventdata, handles)fs=get(hObject,'value');hfs=findobj('tag','slider1');set(hfs,'string',num2str(fs));% hObject    handle to edit1 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% Hints: get(hObject,'String') returns contents of edit1 as text%        str2double(get(hObject,'String')) returns contents of edit1 as a double% --- Executes during object creation, after setting all properties.function edit1_CreateFcn(hObject, eventdata, handles)% hObject    handle to edit1 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    empty - handles not created until after all CreateFcns called% Hint: edit 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');endfunction edit2_Callback(hObject, eventdata, handles)f=get(hObject,'value');hfa=findobj('tag','slider2');set(hfa,'string',num2str(f));% hObject    handle to edit2 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    structure with handles and user data (see GUIDATA)% Hints: get(hObject,'String') returns contents of edit2 as text%        str2double(get(hObject,'String')) returns contents of edit2 as a double% --- Executes during object creation, after setting all properties.function edit2_CreateFcn(hObject, eventdata, handles)% hObject    handle to edit2 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    empty - handles not created until after all CreateFcns called% Hint: edit 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 checkbox1.function checkbox1_Callback(hObject, eventdata, handles)r=get(hObject,'value');if r==1        grid onelse    grid offend% hObject    handle to checkbox1 (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 checkbox1% --- Executes on button press in checkbox2.function checkbox2_Callback(hObject, eventdata, handles)r=get(hObject,'value');if r==1     zoom onelse    zoom offend% hObject    handle to checkbox2 (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 checkbox2% --- Executes during object creation, after setting all properties.function axes1_CreateFcn(hObject, eventdata, handles)% hObject    handle to axes1 (see GCBO)% eventdata  reserved - to be defined in a future version of MATLAB% handles    empty - handles not created until after all CreateFcns called% Hint: place code in OpeningFcn to populate axes1