基于C_S结构的移动警务系统的研究与实现

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1、Y977981长安大学硕士学位论文基王gS结掏的整动鳖釜圣筮的监窒皇塞堡指导教师姓名童量蠖——申请学位级别亟±学科名称窒望』直：盈王捏毽塑生』论文提交日期2QQ鱼：生!曼论文答辩日期2鱼Q互生垒旦2：王且答辩委员会主席：学位论文评阅人：彦永砖匡堑盗』窒ABSTRACTThetradiuonalpoliceinformationsystemhaslotsofdefects，suchasout—of-dateinformalioncollection,obsoleteinformationmanagement,poorsha

2、re，redundantconstruction,ineffectiveanifiedcommendmdcoordinatedcombat．ere．InordertOsolvetheseproblemsofthepoliceinformationsystem，thispaperdesignsandrealizesamorcconvenientandefficientpolicecomprehensivemobilesystemwhichmakesUSCofthewirelessmobileplatform，theinte

3、rnetplatformandpolicespecialnetworkplatformonthebasisofrequirementanalyses，tasks，characteristicsandactualstatus．BasedOilpolicespecialnetwork,modemmobilecommurticatioilstechnologyandpoliceinformationresources，thesystemprovidesapowerfulanpportofdataforfrontlinepoli

4、cemenattheworkspot．Thissystemhasenhancedtheefficiencyandfightingabilitiesoffrontlinepolicemeninasignificantway,andhasalsoprovidedtechnicalsupportsfortheimplementationofpolicemobilesystem：n璩mainresultsintheresearchareasfollows：(1)Akindofwirelessmobilepolicesyst锄ba

5、sedonC／Sstruetttreisdeveloped．Usingmiddlewaretechnologies，thissystemadoptsthethreelayerC／Sstructuretoachievedataexchangebetweenthefronthnepolicemenandtlledatacentre．Moreover,thesystemachievesthesystemfunctionsandsatisfiedtheperformancerequirementsintheenvironment

6、ofPDA(dopod686)．(2)Asolutionofdatatransmissionisdesignedfordatatransmissionofwirelesspolicemobilesystem．hlthissolution,basedOntheUSeofxMLdataexchangetechnology,thedevelopedsystemcancnsurethatdatawillbeconvenientlyandrelishlytransmittedinthenetwork．Atthe8anletime，

7、securityisolationtechnologyofintemalandexternalnetworkisadoptedinthedesignofsystem109icstructure．Inthecircumstancesofnormaldataexchangeandtransmission,thesystemerlsul-esthatthepolicespecialnetworkandpublicnetworksarecompletelyphysicalieolatiom(3)Inordertoapplytow

8、irelessnetworkcommunications,ahybriddataeneryptionalgorithmisproposed．耽eproposedalgorithmemploystheAdvancedEncryptionStandard(AES)torealizedataencryption,makes