使用matlab实现函数信号产生

%///***************************************************** %///Matlab 信号处理大实验一：数字电子琴的设计 %///作者：许均毅、李超、郭波江、熊勇 %///当前版本：1.0 %///完成时间：2010.04.01 %///***************************************************** function varargout = ElecPiano(varargin) % ELECPIANO M-file for ElecPiano.fig % ELECPIANO, by itself, creates a new ELECPIANO or raises the existing % singleton*. % % H = ELECPIANO returns the handle to a new ELECPIANO or the handle to % the existing singleton*. % % ELECPIANO('CALLBACK',hObject,eventData,handles,...) calls the local % function named CALLBACK in ELECPIANO.M with the given input arguments. % % ELECPIANO('Property','Value',...) creates a new ELECPIANO or raises the % existing singleton*. Starting from the left, property value pairs are % applied to the GUI before ElecPiano_OpeningFunction gets called. An % unrecognized property name or invalid value makes property application % stop. All inputs are passed to ElecPiano_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 ElecPiano % Last Modified by GUIDE v2.5 02-Apr-2010 05:50:49 % Begin initialization code - DO NOT EDIT gui_Singleton = 1; gui_State = struct('gui_Name', mfilename, ... 'gui_Singleton', gui_Singleton, ... 'gui_OpeningFcn', @ElecPiano_OpeningFcn, ... 'gui_OutputFcn', @ElecPiano_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 ElecPiano is made visible. function ElecPiano_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 ElecPiano (see VARARGIN) % Choose default command line output for ElecPiano handles.output = hObject; % Update handles structure guidata(hObject, handles); % UIWAIT makes ElecPiano wait for user response (see UIRESUME) % uiwait(handles.figure1); % --- Outputs from this function are returned to the command line. function varargout = ElecPiano_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; global l4 l5 l6 l7 n1 n2 n3 n4 n5 n6 n7 h1 h2 h3 h4 mixsd wavfm1 wavfm2 wavfm3 wavfmp %设定各音阶频率值为全局变量 l4=175; l5=196; l6=220; l7=247; n1=262; n2=296; n3=330; n4=349; n5=392; n6=440; n7=494; h1=523; h2=587; h3=659; h4=698; %设定各音阶频率变量值 mixsd=1; %设定初始值 wavfm1=1; %设定初始值 wavfm2=1; %设定初始值 wavfm3=1; %设定初始值 wavfmp=1; %设定初始值 function edit1_Callback(hObject, eventdata, handles) % 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'); end % -------------------------------------------------------------------- function about_2_Callback(hObject, eventdata, handles) % hObject handle to about_2 (see GCBO) % eventdata reserved - to be defined in a future version of MATLAB % handles structure with handles and user data (see GUIDATA) msgbox('作者：许均毅，李超，郭波江，熊勇 ','版本1.0') function edit2_Callback(hObject, eventdata, handles) %输入信号1幅值 % 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 global Amp1 Amp1=str2double(get(hObject,'string')); % 获取输入值 if isnan(Amp1) %输入非数值 errordlg('请输入一个数值','Bad Input','modal') %跳出一个对话框。 end % --- 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 function edit3_Callback(hObject, eventdata, handles) % 输入信号1频率 % hObject handle to edit3 (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 edit3 as text % str2double(get(hObject,'String')) returns contents of edit3 as a double global freq1 freq1=str2double(get(hObject,'string')); % 获取输入值 if isnan(freq1) %输入非数值 errordlg('请输入一个数值','Bad Input','modal') %跳出一个对话框。 end % --- Executes during object creation, after setting all properties. function edit3_CreateFcn(hObject, eventdata, handles) % hObject handle to edit3 (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 function edit6_Callback(hObject, eventdata, handles) %输入信号1相位 % hObject handle to edit6 (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 edit6 as text % str2double(get(hObject,'String')) returns contents of edit6 as a double global pha1 pha1=str2double(get(hObject,'string')); % 获取输入值 if isnan(pha1) %输入非数值 errordlg('请输入一个数值','Bad Input','modal') %跳出一个对话框。 end % --- Executes during object creation, after setting all properties. function edit6_CreateFcn(hObject, eventdata, handles) %