【电磁】基于Matlab模拟3 个偶极子的辐射图

【电磁】基于Matlab模拟3 个偶极子的辐射图

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智能优化算法  神经网络预测 雷达通信  无线传感器

信号处理 图像处理 路径规划 元胞自动机 无人机  电力系统

⛄ 内容介绍

研究了直线天线的两种简单分析模型:无穷小偶极子和有限长偶极子.建立了偶极子辐射强度和方向性系数数学模型.应用MATLAB对其性能进行了仿真分析.通过仿真分析比较,得出了和实际结果相符的结论,从而为天线的研究提供了有价值的基础理论.

⛄ 部分代码

% --- Outputs from this function are returned to the command line.

function varargout = dipola_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 wave_length_Callback(hObject, eventdata, handles)

% hObject    handle to wave_length (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 wave_length as text

%        str2double(get(hObject,'String')) returns contents of wave_length as a double

wavelength = str2double(get(hObject,'string'));

handles.wavelength=wavelength;

if isnan(wavelength)

  errordlg('You must enter a numeric value','Bad Input','modal')

  uicontrol(hObject)

return

end

guidata(hObject,handles)

handles.wavelength;

% --- Executes during object creation, after setting all properties.

function wave_length_CreateFcn(hObject, eventdata, handles)

% hObject    handle to wave_length (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 dipole1_Callback(hObject, eventdata, handles)

% hObject    handle to dipole1 (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 dipole1 as text

%        str2double(get(hObject,'String')) returns contents of dipole1 as a double

dipole1 = str2double(get(hObject,'string'));

handles.dipole1=dipole1;

if isnan(dipole1)

  errordlg('You must enter a numeric value','Bad Input','modal')

  uicontrol(hObject)

return

end

guidata(hObject,handles)

handles.dipole1;

⛄ 运行结果

⛄ 参考文献

[1]张清泉, 吉安平, 行小帅,等. 基于MATLAB的偶极子辐射性能仿真分析[J]. 仪器仪表与分析监测, 2011(3):3.

⛄ 完整代码

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