【数字信号处理】基于matlab GUI正选信号时域+频域分析【含Matlab源码 887期】

一、获取代码方式

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二、数字信号处理系统简介

理论知识参考文献：基于GUI的《数字信号处理》教学演示系统的设计
基于Matlab GUI界面的数字信号处理辅助教学系统
基于MATLAB的数字信号处理实验平台

三、部分源代码

function varargout = SignalAnalysis(varargin)
% SIGNALANALYSIS MATLAB code for SignalAnalysis.fig
%      SIGNALANALYSIS, by itself, creates a new SIGNALANALYSIS or raises the existing
%      singleton*.
%
%      H = SIGNALANALYSIS returns the handle to a new SIGNALANALYSIS or the handle to
%      the existing singleton*.
%
%      SIGNALANALYSIS('CALLBACK',hObject,eventData,handles,...) calls the local
%      function named CALLBACK in SIGNALANALYSIS.M with the given input arguments.
%
%      SIGNALANALYSIS('Property','Value',...) creates a new SIGNALANALYSIS or raises the
%      existing singleton*.  Starting from the left, property value pairs are
%      applied to the GUI before SignalAnalysis_OpeningFcn gets called.  An
%      unrecognized property name or invalid value makes property application
%      stop.  All inputs are passed to SignalAnalysis_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 SignalAnalysis% Last Modified by GUIDE v2.5 13-Feb-2020 09:16:18% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name',       mfilename, ...'gui_Singleton',  gui_Singleton, ...'gui_OpeningFcn', @SignalAnalysis_OpeningFcn, ...'gui_OutputFcn',  @SignalAnalysis_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{:});
elsegui_mainfcn(gui_State, varargin{:});
end
% End initialization code - DO NOT EDIT% --- Executes just before SignalAnalysis is made visible.
function SignalAnalysis_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 SignalAnalysis (see VARARGIN)% Choose default command line output for SignalAnalysis
handles.output = hObject;% Update handles structure
guidata(hObject, handles);% UIWAIT makes SignalAnalysis wait for user response (see UIRESUME)
% uiwait(handles.figure1);% --- Outputs from this function are returned to the command line.
function varargout = SignalAnalysis_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;function edt_f1_Callback(hObject, eventdata, handles)
% hObject    handle to edt_f1 (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 edt_f1 as text
%        str2double(get(hObject,'String')) returns contents of edt_f1 as a double% --- Executes during object creation, after setting all properties.
function edt_f1_CreateFcn(hObject, eventdata, handles)
% hObject    handle to edt_f1 (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 edt_f2_Callback(hObject, eventdata, handles)
% hObject    handle to edt_f2 (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 edt_f2 as text
%        str2double(get(hObject,'String')) returns contents of edt_f2 as a double% --- Executes during object creation, after setting all properties.
function edt_f2_CreateFcn(hObject, eventdata, handles)
% hObject    handle to edt_f2 (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 edt_t_Callback(hObject, eventdata, handles)
% hObject    handle to edt_t (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 edt_t as text
%        str2double(get(hObject,'String')) returns contents of edt_t as a double% --- Executes during object creation, after setting all properties.
function edt_t_CreateFcn(hObject, eventdata, handles)
% hObject    handle to edt_t (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

四、运行结果

五、matlab版本及参考文献

1 matlab版本
2014a

2 参考文献
[1] 沈再阳.精通MATLAB信号处理[M].清华大学出版社，2015.
[2]高宝建,彭进业,王琳,潘建寿.信号与系统——使用MATLAB分析与实现[M].清华大学出版社，2020.
[3]王文光,魏少明,任欣.信号处理与系统分析的MATLAB实现[M].电子工业出版社，2018.
[4]高彦彦,张晶,李莉,贾英茜.基于GUI的《数字信号处理》教学演示系统的设计[J].教育教学论坛. 2019,(48)
[5]李俊,张淑玲,帅晶.基于Matlab GUI界面的数字信号处理辅助教学系统[J].信息通信. 2020,(08)
[6]朱御康.基于MATLAB的数字信号处理实验平台[J].通信电源技术. 2021,38(03)