RIGOL示波器编程使用
2024-05-10 06:25:18
RIGOL编程使用
RIGOL示波器可由多种语言编程进行操作。
这里仅仅给出RIGOL编程手册给出的MATLAB的例程，以及自己写的程序。并提供读取的波形数据的工作区（1000Hz，5V有效值），可在无示波器下进行测试。
RIGOL MATLAB 例程
编程手册例程
源代码
% clear;
% 创建 VISA 对象。'ni'为销售商参数，可以为 agilent、NI 或 tek，
% 'USB0::0x1AB1::0x04B0::DS2A0000000000::INSTR'为设备的资源描述符。创建后需设置设备的属性，
% 本例中设置输入缓存的长度为 2048
% MSO2000A = visa( 'ni','USB0::0x1AB1::0x04B0::DS2A0000000000::INSTR' );
MSO2000A = visa( 'ni','USB0::0x1AB1::0x04B0::DS2F210800048::INSTR' );
MSO2000A.InputBufferSize = 2048;
N = MSO2000A.InputBufferSize;
%打开已创建的 VISA 对象
fopen(MSO2000A);
%读取波形
fprintf(MSO2000A, ':wav:data?' );
%请求数据
[data,len]= fread(MSO2000A,N);% ------------------自加部分------------------% 获取周期
fprintf(MSO2000A,':MEASure:PERiod? <CHANnel1>');
T = fscanf(MSO2000A);
T = str2num(T);
F = 1/T % 计算频率% 获取采样频率
fprintf(MSO2000A,':ACQuire:SRATe?');
Fs = fscanf(MSO2000A);
Fs = str2num(Fs)
% 计算采样总时间
Tmax = N/Fs% ------------------自加部分------------------%关闭设备
fclose(MSO2000A);
delete(MSO2000A);
clear MSO2000A;
% 数据处理。读取的波形数据含有 TMC 头，长度为 11 个字节，其中前 2 个字节分别为 TMC 头标志符
% #和宽度描述符 9，接着的 9 个字节为数据长度，然后是波形数据，最后一个字节为结束符 0x0A。所
% 以，读取的有效波形数据点为 12 到倒数第 2 个点。
wave = data(12:len-1);
wave = wave';
subplot(211);
plot(wave);运行结果
主要的语句命令格式及使用方法都在这个例程里了。详细的描述见编程手册。
资源在这，免费下载：https://download.csdn.net/download/qq_41683065/12100339
自写带GUI界面的MATLAB程序
源代码
% GUI里不能带clear，会清空GUI的工作变量
% 我的一个猜想，采样点数为2048是固定的，但采样得到的波形不一样，即所测信号的频率不一样。
function varargout = gaopinGUI(varargin)
% GAOPINGUI MATLAB code for gaopinGUI.fig
% GAOPINGUI, by itself, creates a new GAOPINGUI or raises the existing
% singleton*.
%
% H = GAOPINGUI returns the handle to a new GAOPINGUI or the handle to
% the existing singleton*.
%
% GAOPINGUI('CALLBACK',hObject,eventData,handles,...) calls the local
% function named CALLBACK in GAOPINGUI.M with the given input arguments.
%
% GAOPINGUI('Property','Value',...) creates a new GAOPINGUI or raises the
% existing singleton*. Starting from the left, property value pairs are
% applied to the GUI before gaopinGUI_OpeningFcn gets called. An
% unrecognized property name or invalid value makes property application
% stop. All inputs are passed to gaopinGUI_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 gaopinGUI% Last Modified by GUIDE v2.5 10-Jan-2020 11:15:03% Begin initialization code - DO NOT EDIT
gui_Singleton = 1;
gui_State = struct('gui_Name', mfilename, ...'gui_Singleton', gui_Singleton, ...'gui_OpeningFcn', @gaopinGUI_OpeningFcn, ...'gui_OutputFcn', @gaopinGUI_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 gaopinGUI is made visible.
function gaopinGUI_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 gaopinGUI (see VARARGIN)% Choose default command line output for gaopinGUI
handles.output = hObject;% Update handles structure
guidata(hObject, handles);% UIWAIT makes gaopinGUI wait for user response (see UIRESUME)
% uiwait(handles.figure1);% --- Outputs from this function are returned to the command line.
function varargout = gaopinGUI_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;% --- Executes on button press in pushbutton1.
function pushbutton1_Callback(hObject, eventdata, handles)
% hObject handle to pushbutton1 (see GCBO)
% eventdata reserved - to be defined in a future version of MATLAB
% handles structure with handles and user data (see GUIDATA)% ------------------------------示波器操作---------------------------------
MSO2000A = visa( 'ni','USB0::0x1AB1::0x04B0::DS2F210800048::INSTR' );
MSO2000A.InputBufferSize = 2048;
N = MSO2000A.InputBufferSize;
%打开已创建的 VISA 对象
fopen(MSO2000A);
%读取波形
fprintf(MSO2000A, ':wav:data?' );
%请求数据
[data,len]= fread(MSO2000A,N);% 获取周期
fprintf(MSO2000A,':MEASure:PERiod? <CHANnel1>');
T = fscanf(MSO2000A);
T = str2num(T);
Fread = 1/T % 计算频率
str5 = num2str(Fread);
set(handles.Fread,'string',str5);% 获取采样频率
fprintf(MSO2000A,':ACQuire:SRATe?');
Fs = fscanf(MSO2000A);
Fs = str2num(Fs)
str6 = num2str(Fs);
set(handles.Fs,'string',str6);
% 计算采样总时间
Tmax = N/Fs
str4 = num2str(Tmax);
set(handles.Tmax,'string',str4);%关闭设备
fclose(MSO2000A);
delete(MSO2000A);
clear MSO2000A;
% 数据处理。读取的波形数据含有 TMC 头，长度为 11 个字节，其中前 2 个字节分别为 TMC 头标志符
% #和宽度描述符 9，接着的 9 个字节为数据长度，然后是波形数据，最后一个字节为结束符 0x0A。所
% 以，读取的有效波形数据点为 12 到倒数第 2 个点。
wave = data(12:len-1);
wave = wave';
% ------------------------------示波器操作---------------------------------% load('RFdata.mat');
% N = 2048;
F = 1:1:1025;% 获取输入量
IgnoredF=get(handles.IgnoredF, 'String');
IgnoredF=str2double(IgnoredF);
rage_rate=get(handles.rage_rate, 'String');
rage_rate=str2double(rage_rate);% 去均值化
ave = mean(wave);
wave = wave - ave;
plot(handles.wave, wave) % 绘制波形图像% fft
fftSpec = fft(wave',2048);
fftRms = abs( fftSpec');
% 取一半
fftRms = fftRms(1:N/2+1);
fftRms(2:end-1) = 2*fftRms(2:end-1);
% 取log
fftLg = 20*log(fftRms);
% 绘图
plot(handles.fft1, F, fftLg)[fmax,~,fft_max,~] = Find_extremum_of_RowVector(fftLg', F);% plot them on a figure
plot(handles.fft2,F,fftLg);
hold(handles.fft2,'on')
plot(handles.fft2, fmax, fft_max, 'r+');
xlabel(handles.fft1,'f/Hz'),ylabel(handles.fft1, 'V/mv')
set(handles.fft2,'YLim',[0 250])[fmax,~,fft_max,~] = Find_extremum_of_RowVector(fftLg(:,IgnoredF:end-1)', F(:,IgnoredF:end-1));% 查找最大的谐波数
f1_pred=peak(fft_max,fmax,rage_rate,1);
f2_pred=peak(fft_max,fmax,rage_rate,2);str2 = ['测得信号的最大的频率分量为: ',num2str(f1_pred),' Hz'];
str3 = ['测得信号的次大的频率分量为: ',num2str(f2_pred),' Hz'];
set(handles.string2,'string',str2);
set(handles.string3,'string',str3);function string1_Callback(hObject, eventdata, handles)
% hObject handle to string1 (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 string1 as text
% str2double(get(hObject,'String')) returns contents of string1 as a double% --- Executes during object creation, after setting all properties.
function string1_CreateFcn(hObject, eventdata, handles)
% hObject handle to string1 (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 edit2_Callback(hObject, eventdata, handles)
% 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% --- 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');
endfunction string2_Callback(hObject, eventdata, handles)
% hObject handle to string2 (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 string2 as text
% str2double(get(hObject,'String')) returns contents of string2 as a double% --- Executes during object creation, after setting all properties.
function string2_CreateFcn(hObject, eventdata, handles)
% hObject handle to string2 (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 string3_Callback(hObject, eventdata, handles)
% hObject handle to string3 (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 string3 as text
% str2double(get(hObject,'String')) returns contents of string3 as a double% --- Executes during object creation, after setting all properties.
function string3_CreateFcn(hObject, eventdata, handles)
% hObject handle to string3 (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 IgnoredF_Callback(hObject, eventdata, handles)
% hObject handle to IgnoredF (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 IgnoredF as text
% str2double(get(hObject,'String')) returns contents of IgnoredF as a double% --- Executes during object creation, after setting all properties.
function IgnoredF_CreateFcn(hObject, eventdata, handles)
% hObject handle to IgnoredF (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 rage_rate_Callback(hObject, eventdata, handles)
% hObject handle to rage_rate (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 rage_rate as text
% str2double(get(hObject,'String')) returns contents of rage_rate as a double% --- Executes during object creation, after setting all properties.
function rage_rate_CreateFcn(hObject, eventdata, handles)
% hObject handle to rage_rate (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 Tmax_Callback(hObject, eventdata, handles)
% hObject handle to Tmax (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 Tmax as text
% str2double(get(hObject,'String')) returns contents of Tmax as a double% --- Executes during object creation, after setting all properties.
function Tmax_CreateFcn(hObject, eventdata, handles)
% hObject handle to Tmax (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 Fread_Callback(hObject, eventdata, handles)
% hObject handle to Fread (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 Fread as text
% str2double(get(hObject,'String')) returns contents of Fread as a double% --- Executes during object creation, after setting all properties.
function Fread_CreateFcn(hObject, eventdata, handles)
% hObject handle to Fread (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 Fs_Callback(hObject, eventdata, handles)
% hObject handle to Fs (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 Fs as text
% str2double(get(hObject,'String')) returns contents of Fs as a double% --- Executes during object creation, after setting all properties.
function Fs_CreateFcn(hObject, eventdata, handles)
% hObject handle to Fs (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运行结果
仅仅有这个不能运行，还有相应的.fig文件才能运行。
这是自己写的，就不免费了嗷：https://download.csdn.net/download/qq_41683065/12100350
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