1 简介
将多种数字波束形成算法融合到一个平台,不仅丰富了数字波束形成仿真平台的功能,而且还可以为用户二次开发提供便利.利用MATLAB GUI开发了包含线性约束最小方差(LCMV),最小方差无失真响应(MVDR),最大信噪比(MSNR)准则等算法的波束形成仿真平台,该设计实现了与用户交互,波束形成过程可视化,方便对波束形成算法的研究,是研究自适应波束形成的一个有力工具.?
2 部分代码
function varargout = algrithem_database(varargin)% ALGRITHEM_DATABASE M-file for algrithem_database.fig% ALGRITHEM_DATABASE, by itself, creates a new ALGRITHEM_DATABASE or raises the existing% singleton*.%% H = ALGRITHEM_DATABASE returns the handle to a new ALGRITHEM_DATABASE or the handle to% the existing singleton*.%% ALGRITHEM_DATABASE('CALLBACK',hObject,eventData,handles,...) calls the local% function named CALLBACK in ALGRITHEM_DATABASE.M with the given input arguments.%% ALGRITHEM_DATABASE('Property','Value',...) creates a new ALGRITHEM_DATABASE or raises the% existing singleton*. Starting from the left, property value pairs are% applied to the GUI before algrithem_database_OpeningFunction gets called. An% unrecognized property name or invalid value makes property application% stop. All inputs are passed to algrithem_database_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% Copyright 2002-2003 The MathWorks, Inc.% Edit the above text to modify the response to help algrithem_database% Last Modified by GUIDE v2.5 15-May-2006 00:06:21% Begin initialization code - DO NOT EDITgui_Singleton = 1;gui_State = struct('gui_Name', mfilename, ...'gui_Singleton', gui_Singleton, ...'gui_OpeningFcn', @algrithem_database_OpeningFcn, ...'gui_OutputFcn', @algrithem_database_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{:});elsegui_mainfcn(gui_State, varargin{:});end% End initialization code - DO NOT EDIT?% --- Executes just before algrithem_database is made visible.function algrithem_database_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 algrithem_database (see VARARGIN)% Choose default command line output for algrithem_databasehandles.output = hObject;% Update handles structureguidata(hObject, handles);?initialize_gui(hObject, handles, false); %初始化界面% UIWAIT makes algrithem_database wait for user response (see UIRESUME)% uiwait(handles.figure1);?% --- Outputs from this function are returned to the command line.function varargout = algrithem_database_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;???function array_number_Callback(hObject, eventdata, handles)% hObject handle to array_number (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 array_number as text% str2double(get(hObject,'String')) returns contents of array_number as a doublearray_number = str2double(get(hObject, 'String'));% if isnan(array_number)% set(hObject, 'String', 0);% errordlg('Input must be a number','Error');% end% Save the new array_number valuehandles.metricdata.array_number = array_number;guidata(hObject,handles)% --- Executes during object creation, after setting all properties.function array_number_CreateFcn(hObject, eventdata, handles)% hObject handle to array_number (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');% endusewhitebg = 1;if usewhitebgset(hObject,'BackgroundColor','white');elseset(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor'));end????function work_frequency_Callback(hObject, eventdata, handles)% hObject handle to work_frequency (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 work_frequency as text% str2double(get(hObject,'String')) returns contents of work_frequency as a doublework_frequency = str2double(get(hObject, 'String'));% if isnan(work_frequency)% set(hObject, 'String', 0);% errordlg('Input must be a number','Error');% end% Save the new volume valuehandles.metricdata.work_frequency = work_frequency;guidata(hObject,handles)% --- Executes during object creation, after setting all properties.function work_frequency_CreateFcn(hObject, eventdata, handles)% hObject handle to work_frequency (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');% endusewhitebg = 1;if usewhitebgset(hObject,'BackgroundColor','white');elseset(hObject,'BackgroundColor',get(0,'defaultUicontrolBackgroundColor'));end?beam1=abs(beam1);beam1=beam1/max(beam1);beam1=20*log10(beam1);?axes(handles.directional_diagram_axes)plot(ang,beam1)set(handles.directional_diagram_axes,'XMinorTick','on')grid on
3 仿真结果
4 参考文献
[1]张晓东. 基于MATLAB GUI的几种数字波束形成算法设计与仿真[J]. 2022(5).
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