人體運(yùn)動(dòng)參數(shù)無(wú)線采集系統(tǒng)的研究與設(shè)計(jì).pdf

1、浙江大學(xué)信息與電子工程學(xué)系碩士學(xué)位論文人體運(yùn)動(dòng)參數(shù)無(wú)線采集系統(tǒng)的研究與設(shè)計(jì)姓名：潘新春申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電路與系統(tǒng)指導(dǎo)教師：金文光20100101浙江大學(xué)碩十學(xué)位論文AbstractThreedimensionalhumancomputerinteractiontechnologybasedonsensorimageprocessingisahotresearchareaathomeandabroadHowevermostcurr

2、entresearchareusingwirednetworktotransmithumanmotionsensingdata，whichbringsalotoftroubleThisprojectraisedamethodtotransmithumanmotionparametersbywirelessnetworkAndtheworkinthispaperistodesignawirelessdataacquisitionsyste

3、m，whichaimsattransmittingthesensordatatoSinknodeTherearethreekindsofnodeinthissystem：sensornode，clusterheaderandSinknodeSensornodecollectshumanmotionparametersClusterheaderreceives，processesandtransmitssensordataSinknode

4、receivessensordatawhichistransmittedbyclusterheaderandtransmitsthedatatoPCmachineBesidesdesigningthehardwareandsoftwareofthesethreekindsofnodes，thispapermainlydiscussescommunicationprotocolofthissystem，andthetimesynchron

5、izationmechanismwhichisanimportantsupporttechnologyforwirelesssensornetworkCommunicationprotocolshouldbedesignedtominimizethenetworkenergyconsumption，andthissystemisonlyneededtoconsidertheissueofsensornodepowerconsumptio

6、nAtthesametime，theprotocolshouldbedesignedtominimizethesystempacketlossrate，packetlossrateisanimportantmeasurementofthecommunicationprotoc01Networkingandcommunicationprocessissimplyasfollows：First，thenodesareinitialized，

7、SinknodeperiodicallysendsbeaconingsignalsSecond，clusterheaderjoinsthenetworkaccordingtoSinknode’Sbeaconingsignal，andthenperiodicallysendsbeaconingsignals，receivesandtransmitssensordataThird，sensornodejoinsthenetworkaccor

8、dingtoclusterheader’Sbeaconingsignal，andthenperiodicallycollectsdataandsendsthemtoclusterheaderTheexperimentalresultsshowthatunderthiscommunicationprotocol，thesensornodehasasmallenergyconsumptionandthesystemhasalowpacket