shiboqi.rar_matlab示波器_tek_tek matlab_示波器

set(handles.hhtpanel,'Visible','off'); g=visa('tek', 'TCPIP::192.168.0.110::INSTR'); handles.g=g; guidata(hObject,handles); set(g,'inputbuffersize',200000); fopen(g); fprintf(g,'header off'); mt=str2double(get(handles.mainscale,'String')); samplerat=str2double(get(handles.samplerate,'String')); fprintf(g,'hor:main:scale %d', mt); fprintf(g,'hor:main:samplerate %d',samplerat); px5=query(g,'hor:main:scale?'); px6=query(g,'hor:main:samplerate?'); px5=str2double(px5); px6=str2double(px6); set(handles.mainscale,'string',(px5)); set(handles.samplerate,'string',(px6)); fprintf(g,'DATA:SOURCE ch1,ch2,ch3,ch4'); fprintf(g,'DATA:ENCDG SRIBINARY'); fprintf(g,'DATA WIDTH 2'); trilev=str2double(get(handles.trilevel,'String')); fprintf(g,'hor:trig:position %d',trilev); %选择触发信号 trigchanel=get(handles.selecttrigch,'value'); switch trigchanel case 1 fprintf(g,'trigger:a:edge:source ch1'); case 2 fprintf(g,'trigger:a:edge:source ch2'); case 3 fprintf(g,'trigger:a:edge:source ch3'); case 4 fprintf(g,'trigger:a:edge:source ch4'); end %设定触发电平，根据两个单选框被选中情况选择触发模式 trigtemp=get(handles.selecttri1,'value'); switch trigtemp case 1 trigleveltemp=str2double(query(g,'trig:a:level?')); set(handles.triglevel,'string',(trigleveltemp)); case 0 trigleveltemp=str2double(get(handles.triglevel,'String')); fprintf(g,'trig:a:level %d',trigleveltemp); set(handles.triglevel,'string',trigleveltemp); end trilev=query(g,'hor:trig:position?'); trilev=str2num(trilev); set(handles.trilevel,'string',(trilev)); fprintf(g,'ACQUIRE:STATE OFF'); fprintf(g,'ACQUIRE:MODE NORMALSAMPLE'); fprintf(g,'ACQUIRE:STOPAFTER SEQUENCE'); fprintf(g,'ACQUIRE:STATE RUN'); while query(g,'BUSY?','%s','%e'); end; horizLen = query(g,'HORIZONTAL:RECORD?','%s','%e'); fprintf(g,'DATA:START 1'); fprintf(g,'DATA:STOP %d',4*horizLen); fprintf(g,'CURVE?'); %读取数据 waveform=zeros(horizLen,4); for i=1:4 dummy_string1=fscanf(g,'%c',1); dummy_string1=fscanf(g,'%c',1); dummy_string2=fscanf(g,'%c',str2num(dummy_string1)); [waveform(:,i),count] = fread(g,str2num(dummy_string2)/2,'int16'); end xttt=waveform; sampleInterval = query(g,'WFMOUTPRE:XINCR?','%s','%e'); handles.sampleInterval=sampleInterval; fprintf(g,'data:source ch1'); ymult1 = query(g,'WFMOUTPRE:YMULT?','%s','%e'); yoff1= query(g,'WFMOUTPRE:YOFF?','%s','%e'); yzero1 = query(g,'WFMOUTPRE:YZERO?','%s','%e'); xttt(:,1)=ymult1.*(xttt(:,1)-yoff1)-yzero1; fprintf(g,'data:source ch2'); ymult2 = query(g,'WFMOUTPRE:YMULT?','%s','%e'); yoff2 = query(g,'WFMOUTPRE:YOFF?','%s','%e'); yzero2 = query(g,'WFMOUTPRE:YZERO?','%s','%e'); xttt(:,2)=ymult2.*(xttt(:,2)-yoff2)-yzero2; fprintf(g,'data:source ch3'); ymult3=query(g,'WFMOUTPRE:YMULT?','%s','%e'); yoff3=query(g,'WFMOUTPRE:YOFF?','%s','%e'); yzero3=query(g,'WFMOUTPRE:YZERO?','%s','%e'); xttt(:,3)=ymult3.*(xttt(:,3)-yoff3)-yzero3; fprintf(g,'data:source ch4'); ymult4=query(g,'WFMOUTPRE:YMULT?','%s','%e'); yoff4=query(g,'WFMOUTPRE:YOFF?','%s','%e'); yzero4=query(g,'WFMOUTPRE:YZERO?','%s','%e'); xttt(:,4)=ymult4.*(xttt(:,4)-yoff4)-yzero4; set(handles.tabwave,'Visible','on'); set(handles.tabposition2,'Visible','off'); set(handles.addition,'Visible','off'); axes(handles.locate_face1); drawnow; plot([1:length(xttt(:,1))]/25,xttt(:,1)); axes(handles.locate_face2); drawnow; plot([1:length(xttt(:,1))]/25,xttt(:,2)); axes(handles.locate_face3); drawnow; plot([1:length(xttt(:,1))]/25,xttt(:,3)); axes(handles.locate_face4); drawnow; plot([1:length(xttt(:,1))]/25,xttt(:,4)); handles.xttt=xttt; handles.sampleInterval=sampleInterval; guidata(hObject,handles); fclose(g); delete(g); new('det_len_way_Callback',gcbo,[],guidata(gcbo)); charge=get(handles.radiobutton4,'Value'); new('pushbutton13_Callback',gcbo,[],guidata(gcbo)); if charge==1 new('start_acq_Callback',gcbo,[],guidata(gcbo)); end