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54 个结果
  • 简介:RVON-1卡可以直接装入KP-32和KP-812通讯面板,通过互联网协议(IP)为RTS^TMAdam^TM矩阵内部通讯家族产品提供VOIP(VoiceOverInternetProtocol)通讯功能,并提供一种综合解决方案,使通讯面板能连接内部通话矩阵系统。RVON-1能够和任何一个装有RVON接口(RVON-8或RVONI/O)的RTS矩阵内部通话系统兼容,连接任何全新或现有的KP-32或KP-812通讯面板,

  • 标签: RTS^TM RVON-1 VOIP Keypanel CARD 通讯系统
  • 简介:Twosignaturesystemsbasedonsmartcardsandfingerprintfeaturesareproposed.Inonesignaturesystem,thecryptographickeyisstoredinthesmartcardandisonlyaccessiblewhenthesigner'sextractedfingerprintfeaturesmatchhisstoredtemplate.Toresistbeingtamperedonpublicchannel,theuser'smessageandthesignedmessageareencryptedbythesigner'spublickeyandtheuser'spublickey,respectively.Intheothersignaturesystem,thekeysaregeneratedbycombiningthesigner'sfingerprintfeatures,checkbits,andarememberablekey,andtherearenomatchingprocessandkeysstoredonthesmartcard.Additionally,thereisgenerallymorethanonepublickeyinthissystem,thatis,thereexistsomepseudopublickeysexceptarealone.

  • 标签: 数字签名 指纹特征 纠错码 密码 智能卡
  • 简介:在上面提到的由消费明星做的那些广告中,明星做广告,由消费明星把消费伦理宣扬得赤裸裸的莫过于王志文做的"派"牌服装广告

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  • 简介:在上面提到的由消费明星做的那些广告中,明星做广告,由消费明星把消费伦理宣扬得赤裸裸的莫过于王志文做的"派"牌服装广告

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  • 简介:在上面提到的由消费明星做的那些广告中,明星做广告,由消费明星把消费伦理宣扬得赤裸裸的莫过于王志文做的"派"牌服装广告

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  • 简介:踏雪寻熊:2004年10月底,在一次在线谈话的活动中,微软的资深数字身份构架师KimCameron表示,通过对.NetPassport服务以往经验教训的总结,微软在下一代Windows系统LonghornDesktop中将集成一种新的身份验证系统——Infocard。它用于取代.NetPassport,并增强Longhorn的安全控制性能,是一种开放的,可用于交换和共享身份信息的新途径。

  • 标签: PASSPORT INFO CARD 微软.NET LONGHORN Windows系统
  • 简介:文通名片管理系统e-card包括一款外观精巧时尚的扫描仪和成熟的名片管理系统。它的扫描仪型号为A8C.体积与普通钱包相似,便于携带.外观色彩为红银搭配。A8C采用USB接口.它光学分辨率为600dpi.扫描速度为4秒,张(300dpi灰度)和5.5秒,张(300dpi彩色)。它可以自动识别简体/繁体中文.并支持双面扫描.可将名片正反面信息输送到同一记录中。

  • 标签: 名片管理系统 E-CARD 光学分辨率 USB接口 外观色彩 扫描速度
  • 简介:Duringthelastfewdecades,photothermalradiometry(PTR)hasbeengreatlydevelopedandwidelyappliedinthefieldofnondestructivetesting.However,thetraditionalPTRsystememploysanexpensivelock-inamplifiertodetecttheweakphotothermalsignal,whichleadstohighcostandlongtesttime.Inthispaper,afasttransmissionPTRsystembasedonsamplingbyusinganinternalcomputersoundcardwasdevelopedtolowerthesystemcostandshorterthetesttime.Apieceofamorphoussilicon(a:Si)thinfilmsolarcellswithartificialdefectswaspreparedandtestedbythesystem.Theresultsshowthatthesharpeneddefectscanbeidentifiedeasilyandquicklyaccordingtothesignificantpeaksoftheoriginalinfraredsignalsampledbytheinternalcomputersoundcard.Furthermore,moredetaileddefectscanbeinvestigatedbyprocessingtheinfraredsignal.ThesevalidatetheeffectivenessoftheproposedtransmissionPTRsystemasalowcostandefficientnon-destructivetesttechnique.

  • 标签: 光热辐射测量 过采样 声卡 传输 无损检测技术 薄膜太阳能电池
  • 简介:糖尿病已成为威胁我国人群健康的重大公共卫生问题.随着人们生活水平提高及饮食结构的改变,糖尿病的发病率呈不断上升趋势.临床调查结果显示,我国2009-2012年2型糖尿病患者血糖控制的情况不理想.

  • 标签: 2型糖尿病 疗效评价 管理模式 患者 家庭 社区
  • 简介:Nowadays,thepassword-basedremoteuserauthenticationmechanismusingsmartcardisoneofthesimplestandconvenientauthenticationwaystoensuresecurecommunicationsoverthepublicnetworkenvironments.Recently,Liuetal.proposedanefficientandsecuresmartcardbasedpasswordauthenticationscheme.However,wefindthatLiuetal.’sschemeisvulnerabletotheoff-linepasswordguessingattackanduserimpersonationattack.Furthermore,italsocannotprovideuseranonymity.Inthispaper,wecryptanalyzeLiuetal.’sschemeandproposeasecurityenhanceduserauthenticationschemetoovercometheaforementionedproblems.Especially,inordertopreservetheuseranonymityandpreventtheguessingattack,weusethedynamicidentitytechnique.Theanalysisshowsthattheproposedschemeismoresecureandefficientthanotherrelatedauthenticationschemes.

  • 标签: AUTHENTICATION OFF-LINE PASSWORD guessing ATTACK smart
  • 作者: 佚名
  • 学科: 文学
  • 创建时间:2019-05-14
  • 简介:随着商务来往逐渐增多,人们在日常社交场合也都习惯带上自己的名片来认识更多的朋友。虽然不需要再像以前那样随身带个本子记录一堆联系电话及地址,但越来越多的名片却使我们难以进行分类、整理。名片盒与名片夹虽然都有一定优势,但检索起来仍需大量时间,而且对于那些平时不太注意整理名片的人来说,更为查找带来了

  • 标签: 名片 扫描仪 识别率 性价比
  • 简介:Purpose:Acuteexercisehasbeenlinkedtothefacilitationofexecutivefunction,butlittleisknownregardingexecutivefunctionassessedbytheWisconsinCardSortingTest(WCST).ThepresentresearchconsistedoftwoexperimentsaimedtodeterminewhetheracuteaerobicexerciseinfluencessuccessiveWCSTperformance.Methods:InStudy1,27youngadultswererandomlyassignedtotheexerciseorreadingcontrolgroupandtheninstructedtoperformtheWCSTbeforeandafterassignedtreatment.Inexercisegroup,participantscompletedasingleboutaerobicexercisewithmoderateintensityfor20minonastationarybike.AsimilarexperimentalprotocolwasreplicatedinStudy2with24latemiddle-agedadultstolookforagedifferencesduringadulthoodandcontrolforapotentialceilingeffectatyoungadultage.Results:Althoughasignificanttimeeffectwasobservedinyoungadults,bothstudiesrevealedthattherewasnomaineffectfortreatmentoraninteractionbetweentreatmentandtimeonanyoftheWCSTindices.Conclusion:AcuteaerobicexercisefailedtoinfluenceexecutivefunctionasassessedbytheWCST,revealingthatthisclassicalneuropsychologicaltesttappingexecutivefunctionmaynotbesensitivetoacuteexercise.Ourfindingssuggestthatacuteexercisedoesnotbroadlyaffecttheentirefamilyofexecutivefunctions,oritseffectonaspecificaspectofexecutivefunctionmaybetask-dependent,asproposedbyEtnierandChang(2009).

  • 标签: 运动效果 急性 评估 测验 分类 卡片
  • 简介:In2010,Hwang,etal.proposeda'DoS-resistantID-basedpasswordauthenticationschemeusingsmartcards'asanimprovementofKim-Lee-Yoo's'ID-basedpasswordauthenticationscheme'.Inthispaper,wecryptanalyzeHwang,etal.'sschemeandpointoutthattherevealedsessionkeycouldthreatthesecurityofthescheme.Wedemonstratethatextractinginformationfromsmartcardsisequaltoknowingthesessionkey.Thusknownsessionkeyattacksarealsoeffectiveundertheas-sumptionthattheadversarycouldobtaintheinformationstoredinthesmartcards.WeproposedanimprovedschemewithsecurityanalysistoremedytheweaknessesofHwang,etal.'sscheme.Thenewschemedoesnotonlykeepallthemeritsoftheoriginal,butalsoprovidesseveraladditionalphasestoimprovetheflexibility.Finally,theimprovedschemeismoresecure,efficient,practical,andconvenient,becauseellipticcurvecryptosystemisintroduced,theexpensivesmartcardsandsynchronizedclocksystemarereplacedbymobiledevicesandnonces.

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