一、Introduction

MD3000biologicalsignalacquisitionandprocessingsystemispackedwithmanyexpertsandprofessorsformanyyearsthe

developmentofthePCbiologysignalacquisitionandprocessingsystemexperienceandtheintroductionofanotherhigh-tech

products,toreplacethetraditionalrecorder,oscilloscopeandstimulatorexperimentalapparatususedinphysiology,pharmacology

andpathophysiologyofcollegesinteachingandresearchlaboratory.Meanwhile,MD3000softwarecanprovideeasyoperation,good

observation,todealwithapowerfulexperimentaltoolforthemajorityofstudents,experimentsresearchersandteachersinthestable

runningunderWindows2(XX)/XPbyusingNTtechnology.

二、MD3000systemintroduce

(一)Systemcomponentsandbasicprincipal

Accordingtothecharacteristicsoftheelectrophysiologicalexperiments,MD3000biologysignalacquisitionandprocessing

systemisacombinationofgoodqualityoftraditionalinstrumentsandpowerfulprocessingcapabilitiesofcomputersdesignsystem.

MD3000isthemulti-CPUparallelsetofsignalamplification,dataacquisition,display,storage,processingandoutputofthe

experimentalsystem.Itiscomposedfromtwopartsofthehardwareandsoftware.Hardware'smainlytaskthatitisconditioningand

amplificationavarietyofbiologicalsignals(suchas:ECG,EMGEEG)andnon-electricbiologicalsignal(suchas:bloodpressure,

tension,respiration),andthusthesignalanalog/digital(A/D)converttomakeitintothecomputer.However,softwareistocomplete

thecontrolsystemandbiologicalsignalhasbeendigitizeddisplay,recording,storage,processing,andprintoutput.

(2)Components

diagram:

(3)MD3000isamulti-CPUparallelworkofthebiologicalsignalacquisitionandprocessingsystem,thebasicprincipaldiagramis

Accordingtotheacquisitionsystemprincipaldiagram,suggestingthatweshouldconsiderthefollowingwhendoingthe

experiments:

(1).Whethertheneedtostimulate?(controlonechipmachine1,setthestimulationmodeandparameters)

(2).Whethertheneedforsensor?(accordingtothenon-electricalsignalsorelectricalsignalstodetermine)

(3).Directcurrent(DC)oralternatingcurrent(AC)input?(selectthelowerboundfrequencybythesoftware)

(4).Tlicmagnification?(controlonechipmachine2,setthemagnification)

(5).Onthespeedofanalogsignalsampling?(controlonechipmachine2,setthesamplinginterval)

(6).Whetherthedataisdigitalfiltering?(thegreaterinterferencewiththedigitalfilteringtoobtainthebettercurve.)

(7).Whichisselectedmappingway,arecorderoroscilloscope?Ifthecontinuousoscilloscopeusesignalorsynchronization

toggle?

(8).Whatdataandindexbythereal-timeprocessing?

(9).Whetherthesampleddatareserved?

(lO).whetherthedataforfurtherprocessing?

ApplicationMD3000systemneedtomakeclearthemeaningoftheaboveproblemsandfamiliarwiththesetormodifythe

method.

MD3000biologicalsignalacquisitionandprocessingsystem

(二)Systemapplicationsoftwareintroduce

MD3000biologicalsignalacquisitionandprocessingsystemapplicationsoftwareeasiedtolearnanduseisthestandard

Windows32-bitapplicationprogram,becauseofthegraphicoperationinterfaceconsistentwithotherMicrosoftapplicationprogram

style.MD3(X)0applicationsoftwareiseasytoinstallandunload,nospecialrequirementsonthehardwareanddonotseizurethe

specialresourcesofthePC.Tlicusersdonothavetoadjustthemicrocomputerport,andothercomplexoperations.Doneoutofthe

box,veryfastandconvenient.

Mycompanyhasdevelopeddedicated98/2000/XPdevicedriver.Thisdevicedrivercaneffectivelyandcompletehardware

acquisitiondatatransmittedfromthePCmemorytotheupperapplicationprogram,whichisdevelopmentWINDOWSsampling

applicationprogramthekey.Thisisanimportantsymbolofourproductswithothersimilarproducts,butalsotheMD3000biological

signalacquisitionandprocessingsystemisfullyembodiesahigh-techproduct.

Becauseofthestandardandspecificationprogramdevelopment,Ithasbroughtgreatconveniencetotheusers.Includingall

mouseclicks,easyandconvenient,muti-windowoperationsamplingandprocessingthedata.Samplingwindowsizeisadjustable,

X,Vaxiscompressedextendedfreely.Supportsallprinters,andnetworkresourcesharing.EspeciallyMD3000canseamless

connectionwithotherWindowsapplication(ACCESS,Excel,Word)asresources,meanwhile,Itcansharedatathatdataprocessing

workfromthecomplex,alargenumberoflaborhavebeenliberated.Longtimerecords,whilesamplingsidesave,nomaximumfile

sizeandtimelimited.SupportChineselongfilenamescanbeanyfilenamed.Ontheotherside,WINDOWSsoftware'sadvantages

canbereflectedintheMD3000.

ThehardwareisworkbaseandthesoftwareisthecoretocompletethetaskintheMD3000.MD3000canpassthroughsoftware

settingsonthehardwarebythedifferentwaysofworkingtoorganizethesoftwareprocess.Soitcanreplacetherecorder,

oscilloscopeandstimulator,etal.Andotherexperimentequipment.

Accordingtotheoperatingmethod,MD3000isdividedintothreeoperatingmodes:

Recorder:multi-channelrecorderlakethepapertracingsoperatingmodeofthesignalcurve.Drawingwayismovingfromright

toleftinfull-screen.Signaloftheslow,continuousrecordoftheexperiment.Suchasbloodpressure,respirationandECGetal.

Oscilioscope:theworkingmodeoftheinulti-lincmemoryoscilloscope,thedrawingmethodislefttoright,adoptapaintedone.

Forfastersignals,especiallytheexperimentsoftheperiodicsignal.Suchasneutralstemactionpotentials.

Slow-wavescanning:multi-lineslowscanmodeofoperationofthememoryoscilloscope.Thedrawingisfromlefttoright,

whilewipingedgepainting.Continuousrecordonthefastersignalrecorderwaytofull-screenmobilecausedvertigocanbeavoided

inthisway,difficulttoobservetheshortcomingsofthecurve.Adoptforcontinuousrecordingatafastersignaloccasions.Suchas

depressornervedischarge.

Aboveallthreewaysintheuserscanchooseone.Inadditiontothecurvedrawingisabitdifferent,andothersoftwaretouseis

thesame.Thisalltheconsistencyoftheoperatingmodetouse,butalsooneofthebigadvantageofMD3000system.

三MD3000systemsoftwareoperatinginstruction

Accordingtothefunctioncompletedivision,MD3000mainlycompletethefollowingthreeaspectsoftheoperation:

▲Fileoperation,editingofthedata,showingthestyleofregulation.

▲Datameasurement,processing,andResultsofthechartoutput.

▲Real-timetoadjustthevariousparametersoftheMD3000'shardware,soastomakethehandwarecanbeinthebest

conditionofthework.

Whenused,weshouldbeclearthatthefunctionofthemenuorbuttonfromthethreeaspectsoperation.Suchwemayshootthe

arrowatthetargetatourselveswill.

However,MD3000systemisamult-windowssoftware.Inadditiontosomesettingwindows,mainlyworkingwindowshave

threeasfollows.

▲"samplingwindow"：showingsamplingwaveform,observation,measurement,selectthewaveformtobeprocessed.

▲“printeditwindow"：editingofprintedcurvewhichcanadjustsizeandpatternandcanbefreelyadd,delete,modifythe

characterstring.

▲"datawindow"：similartotablewindowoftheExcel,,measurementresultsshownonthecurve.

Inthesoftwaremenufunctionsdescribedbelowisquitedifferentfordifferentwindow.Inaccordancewiththecurrently

activewindow,thebasicprinciplemaketoinvoketheappropriateprocessingmethodsandfunctions.

（一）MD3000interfaceoverview

Interfaceincludes:titlebar,menubar,toolbar,statepromptbarandsamplingwindow,dealwindow,datawindow,etal.andother

appropriatechildwindowcomposition.MD3000starttheinterfaceasbelowfollow:

MD3000systemsoftware

1.Titleblock:promptexperimentname,savethefilepath,filenameandincludeas“zoomout","expand","close“button.

2.Menublock:accordingtodifferentoperatingfunction,classificationselectingoperation.Includemainmenunameas

follows:

A.File:includingallfileoperations.Suchasopen,save,print,exit,etc.

B.Edit:includingalleditingfunctionsforthesignalgraphics.Suchascut,copy,paste,etc.

C.View:whetherornottoswitchshowingonthemainvisiblepartoftheinterface.

D.Set:choosethesystemtorunontheset.

E.Expcriment:selectthespecificteachingandscientificresearchandexperimentalprojectshavebeencompleted

customexperimentalconfiguration.

F.Deal:includingallaftersamplingprocessingcapabilitiesforsignalgraphics.SuchasFFTcalculate,digitalfiltering.

G.Window:providingaboutwindowoperation.

H.Help:includingonlinehelp,copyrightinformationandWebsiteLinks.

3.Shortcuttoolbar:thecommonlyusedtoolbuttons,aslongasthemousearrowispointingtothebutton,clicktheleftbutton

inmouse,youcanentertheoperating.

4.Markbar:addandeditofexperimenttags,andpositioningoftheexperimentaldata.

5.Channelsamplingwindow:includingthreeparts:Firstly,"'channelcontrolarea“isdisplayingchannelnumberandreal-time

controlamplifierhardware,whichisontheleft-mostofsamplingwindow.Secondly,“waveformdisplayarea“isincentralof

samplingwindow.Whichdisplaydynamicsignalwaveformwhensamplinganddisplaystaticwaveformcurvewhenprocessing.

What,simportant,furtheranalysisandprocessingofartificialselectedpartofwaveform.MD30006.0isadvancedmulti-windowto

sharedatamethod,meanwhile,nwlti-windowdynamic,staticobservationormeasurement.Lastly,'"resultdisplaycontrolarea”ison

theright-mostofsamplingwindow.WhichisshowingY-axisscale,samplingchannelcontentandunit;controlbaselineregulation,

Y-axiswaveformcompression,expansion,scalingoperation,etc.

6.X-axisdisplaycontrolarea:dynamicdisplayofsamplingtime(X-axis),dragcontrolX-axisofthewaveform,X-axis

wavefonncompressionandexpansion.

7.Samplingcontrolarea:ontherightof"X-axisdisplaycontrolarea"，functionincludingstartsampling,stopsamplingand

samplingsave.

8.Stimulatorcontrolarea:ontheleftof"X-axisdisplaycontrolarea”,selectstimulatemodeofstimulator,tostimulatethe

startswithandstimulusparameterswhentherealadjustment.

9.Promptbar:suggestingthattherelevantoperationalinfonnationatthelowerpartofinterface.MD3000stateandcurrent

spaceavailableofharddisk.

(二)Mouseoperatinginstruction

MD3000biologicalsignalacquisitionandprocessingsystem'sgraphicalinterface,aslongasmovethemousearrowtothe

appropriateoperatingpositionundernormalcircumstances,clicktheleftbuttontocompletetheoperation,similartotheoperationof

Office.

I.Mainmenuoperation:whenthemousearrowpointtomainmenubar,presstheleftmousebutton(donotlift)continueto

movethemousetotheselecteditemandthenlifttocompletetheoperation.

2.Toolbarpromptoperation:whenthemousearrowstaysinthetoolbarbuttontodisplaythetoolbar,clicktheleftmouse

buttontocompleteoperation.

3.Scrollbaroperation:themousearrowpointstothescrollbanpresstheleftbutton(donotlift)dragthemousetoquickly

completethecurvegraphicalX-axisorientation.

4.Right-keyshortcutoperation:clickthemouserightbuttonpopthemainoperationatdifferentwindowandscreenposition,

selectandclicktheleftbuttontocompletetheoperation.

5.Channelsamplingwindow:includingsomeareas.SpecialoperationsseethefollowingontheMD3000systemsoftware.

(三)Titlebar

Titlebaronthetopoftheinterface,mainlyfunctionsasfollows:

1.Displaysystemname,windownameorexperimentname.

2.Displaythecurrenttemporaryfilename,savethefilename.

3.Windowcontrolbuttonscanfreelyadjustwindowsizeandplace,includeas“maximize"，“minimum","close”.

(四)Menubar

Themenubarmainlycompletecontrolandoperationsattheupperpartofinterface.Asshownbelow:

FileEditViewSetupExperimentProcesingWindowHelp

1.File(F)

Afteropenfilemenu,drop-downmenutoseethenght:EditViewSetupExperiment?rccesi

New?

A.New:themainfunctionistocreatatnewwaveformdatafiles,andcleartheOpenClxlIO

SaveCtrl+S

wavefbnndatafileintheoriginalsamplingwindow.Save&s...

Dataexport>

MD3000systemhasanewinstrumentationwork-styledifferentwithotherapplicationRecrclitemporarydxtafile...

Rsrpor?pypPTimpntalrApnrf

program.the“new”hasdrop-downmenuincludingthreeways,respectively:recorder,

Filelink?

oscilloscopeandslowscanningoscilloscope.Generally,slowsignalneedselectrecorder

UpenUintiger

way(bloodpressure,respiratorytractpressure,skeletalmuscletension,cardiacmuscleSaveCjnfignraticn

Customizeezperirrent>

contraction,intestinemuscletension,etc.)periodandfastsignalneedselectoscilloscopeCurrentcon:i^

way(suchas:nervestemactionpotential).ContinuousobservationoffastsignalneedPageS?tup

selectslow-wavescanningway.MD3000solvedtheplotslowwithcomputerdisplay,fastPrint?review>

Pirat..Ctrl+P

signalcanalsousedtodisplayarecorder,buttheamountofdata.

RecentADDfiles?

Itisnoteworthythatinoscilloscopeisselected,butalsotoselectsamplingtriggerExitCtrltQ

whichisstimulator.Adjusttheparametersofthestimulator,onestimulatingandonesampling,aperiodicsignalonthescreeniseasy

toobservemafixedposition.

B.Open:openreservedwaveformdatafile(*.ADD),thenopenprocessedresultdatafileindatawindow(*.XLS),openprint

editfileinprinteditwindow(*.MEP).clickshortcutbutton—/oftoolbarhavesamefunction.

C.Reserve:thereservedwaveformdatabycurrentfilename(*.ADD)orprocessedresultwaveformdata(*.XLS)andprint

editfile(*.MEP).clickshortcutJbuttonoftoolbar.

D.Saveas:thesaveaswaveformdatabyuser-definedfilename(*.ADD)orprocessedresultwaveformdata(*.XLS)andprint

editfile(*.MEP).

Abovethreeoperations,theclickofamousewillpopupthecorrespondingdialogueoperationinthedialogbox,enterthefile

name(additionalname),presstheOKbuttontocompletetheoperation.

E.Exportdata(seetorightdiagram:):

(1).Selecteddata

usepartofthesegmentdatainexportsamplingdata,saveas

datafile(*.ADD).thisfunctionisavailabletoextractsomeinterest

Filelink

Upeng?r

segmentsfromalargesampledata,theselectedsegmentcanbeaSaveCm￡ig^raticn

Castomizeezperiirent

singleparagraph,butmulti-segment(behindtheselectionmethodCurrentcon:ig.

PageSitup...

described).Meanwhile,singleormulti-segment,savefilesincludingPrint?review

Pirat..Ctrl+P

allchannel.RecentADDfiles

Ctrl+Q

(2)single/multi-datachannel

Separateoutoneorafcw-channcldataatsampleddatafiles,whichsaveasdatafile(*.ADD).itisdisplayingseparatechannel

waveformwhenopen(henewfile.Whichsaveastextform(*.TXT).thisformneedbefurtherprocess,ordirectlyprinttoanalysis

data.

(3)channeldataextract:largerthantheoriginal

3KD3000DataAuquiniliunSyxlea-[SaapliitgViiiduw]

samplingintervaltimeisextractedinthesampleddataEditViewSetupExperiment?rccesingVindovXelp

files,inordertoreducefilebytecount.

(4)MD3000datafile-formconversion:

waveformdatafiles(*.ADD)converttobinarysystem

datafiles(*.BIN),providingfbrotherapplicationstor

CustomizeexperirrentCommonexperiments..

furtheranalysis.CurrentconficPhvsioloKicalsciencesexperiments...

PageSattjp...

expei-im±nts...

F.Openconfiguration:openreservedPriat?review

Pathophysiologyexperitrends...

Pint..Ctrl+P

Sportphysio-ogyexperiment...

configurationfiles(*.adc).thisfileisthenequipmentRecentADDfilesScienceexperiments..

MedLabExjer:Experiner.ts..

ExitCtrl+Q

configuration,includesdisplayway,samplinginterval,

stimulateway,channelnumber,magnification,samplingcontent,filteringwayandparameter,scalevalue,stimulatewayand

parameter,X-axiscompressionratio,Y-axiscompressionratio,etc.Oceopentheconfigurationfile,allconfigurationistransferred

outtostartexperiment,whichisanimportantmethodtosimplifytheexperimentalconfiguration.

G.Reserveconfiguration:reservedcurrentequipmentconfigurationbyuser-definedfilename:configurationparameter

includes:displayway,samplinginterval,stimulateway,channelnumber,magnification,samplingcontent,filteringwayand

parameter,scalevalue,stimulatewayandparameter,X-axiscompressionratio,Y-axiscompressionratio,etc.thissystemiseasyto

setandsavetheconfiguration,theuseoffunctionisanimportantmethodtosimplifytheconfigurationofscientificexperiment.

H.Customexperiment:seetoupper-rightdiagram.Thissystemcanconvenientlycustomvariousofexperimental

configuration.Includinggeneralphysiology,generalpathophysiology,athleticphysiologyandself^configurationexperiment.When

customexperiment,currentexperimentalparameterofMD3000saveasconfigurationfiledatabase(MD3000.adb)connectwith

user-definedexperimentalname,ifrestartMD3000,after“experiment“menuupdate,wecangetinexperimentalcircumstancewhen

doexperiment.Convenientandflexiblecustomizationforuser-self,maintenanceofavarietyofspecialexperimentalpurposes.

I.Pageset:setsizeandqualityetcofprintpage.

J.Printpreview:previewcontentofprinteditwindowbeforeprint.Theopenwindowcanbefurtheredit.Clickshortcut

button±^,oftoolbar.

K.Print:printeditedcontentintheprinteditwindow.Ifwchavemultfile,directlyprintcurrentpage.Clickshortcut

button』oftoolbar.

L.RecentlyADDdatafiles:directlyshortcutopenfiles.

M.Exit:exitMD3000system,endexperiment.Systemautomaticallysaveconfigurationparameter(includescalevalue)for

MD30(K).adcfilewhenexit.

1D3000DataAcquisitionSystea一

2.Edit(E)

Openeditmenu,seetorightdiagram:

A.Cancel:cancellastcutorpasteoperation,thedatafilebacktothe

last.Inthecurrentversion(V6.0),youcanrepeatedlyexecutionthis

6

operationuntilyourestoretheoriginalstate.Clickshortcutbutton____of

toolbar.

B.Cut:cutselectedspanofwaveformfigure.Connectandmergeresiduefilesaftercutonthecontinuoustime,soyouneed

saverawdata.ClickshortcutbuttonMoftoolbar.

C.Copy:copyselectedspanofwaveformdatatomemory,meanwhile,waveformbypixelfiletoclipboardofWindowssystem.

WavefonnispastedatMD3000system.GraphicfilesarepastedusingclipboardatOfficeanddrawing-boardetcprocessing.Click

shortcutbutton.oftoolbar.

D.Paste:pastewaveformdatatoselectedpositionthatyouneedtoclickmousebeforepaste.Then,waveformwindowhasblue

line,ornothing.Clickshortcutbuttonoftoolbar.

E.Editexperimentalmark:editmarkcontentforcustomexperimentat“edilexperimentalmark“childmenu.Forexample

physiologyexperiment,therestoftheexperimenttagseditor.Enter“physiology”twosub-menu.Clickmousealter^experimental

number"and''experimentalname”column.Findthereadyfbreditingtagcontentofexperimentalprojectorname.accordingtothe

rowbyedittagcontentat“markcontent”window(note:eachlineisamarkedcontent),fillinthecontentsofunrestricted(ic:

Chinese,English,number,symbols).Thisexperimentprojectedited,thenclickthearrowbuttonsinthelowerpartofleftandright

tochangethe^experimentalnumber"and^experimentalname“tocontinueeditingcontentuntilcompleted,click“OK”buttontoexit.

Tagcontentintothedatabase,repeateduse.

F.Editstimulatingmark:editdisplaycontentforvariousstimulateways.Selectedcontentsaveasdisk.

G.Editexperimentalguidance:editexperimentalguidanceofacustomexperimentv.

JSetupExperimentProcesing

3.View(V)3Toolbar

=?StatusBar

-?Channelwindow

Deucedispl&ych&imelheight

A.toolbar:displayorblanktoolbaroption."J"isdisplay,orisblank.Showamplifyingrange

；?Showgrid

B.statebar:displayorblankstatebar."V"isdisplay,orisblank.3Showseparateline

Allowindividualadjustmentofcharnels

C.dividechanneldisplay:dividc/con-channeldisplayoption.Achannelcurvetake

upadisplaywindowwhendivide-channcldisplay.However,allcurvetakeupadisplaywindowwhencon-channeldisplay.Call

“singlewindowdisplay”.

D.bisectiondisplaychannelheight:bisectionrespectivelydisplaychannelheight.

E.displayrunway:displayorblankdisplayrunwayoption.Whichreferstodisplayonthescreencanbetheinputsignalrange

todrawthegrid.Thesignalisoutofthisrangewillbean“overflow“ofcurve“decapitalion”.Otherpartsofthegraycover,shaped

somewhatlikea“runway”.

F.displaychannelgrid:displayorblankchannelgrid.

G.displaysegmentationline:displayorblanksegmentationlineoption.MD3000canrepeatsamplingandstop,suchasdisplay

segmentationline,samplingdatauseonthemiddleofsegmentationlinetoprompt.Ifun-displaysegmentationline,thenalldata

continuetofigures.

H.allowadjusteachwindow:whetherornotallowadjusteachwindowoption.Allwindowscanadjustparameter(compression

ratio,shiftscreenspeed,etc)whenoptionthisbutton.Differentwith“drom-papcr“speedofeachchannel,thespeedcanbedifferent.

I.experimentalguidanceofpromptwindow:whetherornotdisplay

SetupExperimentProcesing

experimentalguidanceofpromptwindowwhenopenselectedexperiment.Channelsetting...Ctrl+F2

Windowsetting...Ctrl+W

Define/Inserttransducer...

Transducercalibrationwizard...

Markcontentselection?

Pathsetting...

Timerreset

Standard,configurationF4

4.Set(S)

A.Workingstyle

Includestwoways,sub-menuhave“"whichiscurrentoptionandsystemworkingonlyoneofways.Signalacquisition:

systemdefault.Demonstrationexperiment:dynamicwaveformchangeexperimenttoteachd