【matlab】GUI信号发生器软面板

设计GUI软件界面,能够实现信号发生器软面板功能,可以产生任意参数的方波、正弦波、三角波等

面板设计如下： 

关键代码如下：

这里给出关键部分：回调函数，其他部分均为系统初始化时的内容，就不再占篇幅赘述了。
%方波函数
function pushbutton1_Callback(hObject, eventdata, handles)
A=str2num(get(handles.edit1,'string'));
w=str2num(get(handles.edit2,'string'));
z=str2num(get(handles.edit5,'string'));
fanweil=str2num(get(handles.edit6,'string'));
fanweir=str2num(get(handles.edit7,'string'));
fanweiu=str2num(get(handles.edit8,'string'));
fanweid=str2num(get(handles.edit9,'string'));
t=fanweil:0.01:fanweir;
y=A*square(w*t,z);
plot(handles.axes1,t,y);
axis([fanweil fanweir fanweiu fanweid]);
%正弦波函数
function pushbutton2_Callback(hObject, eventdata, handles)
fanweil=str2num(get(handles.edit6,'string'));
fanweir=str2num(get(handles.edit7,'string'));
fanweiu=str2num(get(handles.edit8,'string'));
fanweid=str2num(get(handles.edit9,'string'));
A=str2num(get(handles.edit1,'string'));
w=str2num(get(handles.edit2,'string'));
t=fanweil:0.01:fanweir;
y=A*sin(w*t);
plot(handles.axes1,t,y);
axis([fanweil fanweir fanweiu fanweid]);
%三角波函数
function pushbutton3_Callback(hObject, eventdata, handles)
fanweil=str2num(get(handles.edit6,'string'));
fanweir=str2num(get(handles.edit7,'string'));
fanweiu=str2num(get(handles.edit8,'string'));
fanweid=str2num(get(handles.edit9,'string'));
kuan=str2num(get(handles.edit3,'string'));
xie=str2num(get(handles.edit4,'string'));
A=str2num(get(handles.edit1,'string'));
w=str2num(get(handles.edit2,'string'));
t=fanweil:0.01:fanweir;
y=A*tripuls(w*t,kuan,xie);
plot(handles.axes1,t,y);
axis([fanweil fanweir fanweiu fanweid]);
%清空函数
function pushbutton4_Callback(hObject, eventdata, handles)
try
    delete(allchild(handles.axes1));
end
%白噪声函数
function pushbutton5_Callback(hObject, eventdata, handles)
fanweil=str2num(get(handles.edit6,'string'));
fanweir=str2num(get(handles.edit7,'string'));
fanweiu=str2num(get(handles.edit8,'string'));
fanweid=str2num(get(handles.edit9,'string'));
t=fanweil:0.01:fanweir;
y=randn(1,length(t));
plot(handles.axes1,t,y);
axis([fanweil fanweir fanweiu fanweid]);
%锯齿波函数
function pushbutton6_Callback(hObject, eventdata, handles)
fanweil=str2num(get(handles.edit6,'string'));
fanweir=str2num(get(handles.edit7,'string'));
fanweiu=str2num(get(handles.edit8,'string'));
fanweid=str2num(get(handles.edit9,'string'));
A=str2num(get(handles.edit1,'string'));
w=str2num(get(handles.edit2,'string'));
t=fanweil:0.01:fanweir;
y=A*sawtooth(w*t);
plot(handles.axes1,t,y);
axis([fanweil fanweir fanweiu fanweid]);

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