简介：Brainisthemostcomplexorganofhumanbeings.Thecompleteunderstandingofhumanbrains’functionsisanongoingchallengeforneuroscience.Althoughtherearemanytechniquesusedforbrainresearch,neuroscientists,physicists,andengineersarestillexploringotheraccessofresearchforapplications.Terahertz(THz)spectroscopyandimagingmaycreatesuchaspaceforbrainresearch.THzspectroscopictechnique,whichisanovelmedicalimagingmodality,attractsattentionofbiomedicalapplicationsduetoitsuniquefeaturesincludingnon-invasive,non-ionizing,andhighsensitivitytobiomoleculesandtissues.Inthisarticle,weintroduceourrecentinvestigationsonneuroscienceusingTHztechniques,meanwhile,introduceother’sworkinthisfield.Ourandothers’investigationsindicatethattheTHzspectroscopyandimagingtechniquecanbeusefulfordiagnosingbraintumorsandneurodegenerativediseases.THzspectroscopyandimaginghasthepotentialtobecomereal-timeinvivodiagnosticmethods.

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简介：Thebasicsandapplicationsofacousto-opticdevicesaredescribed,Theapplicationsincludeacousto-opticspectrumanalyzer,acousto-opticdeflector,acousto-opticprocessorsandacousto-opticdigitalmatrixcomputer.

简介：ＡｐｐｌｉｃａｔｉｏｎｏｆＦＳＳｔｏＲｅｄｕｃｔｉｏｎｏｆＡｎｔｅｎｎａｓ＇ＲＣＳ￥ＦｅｎｇＬｉｎ＆ＲｏａｎＹｉｎｇｚｈｅｎｇ（ＵｎｉｖｅｒｓｉｔｙｏｆＥｌｅｃｔｒｏｎｉｃＳｃｉｅｎｃｅａｎｄＴｅｃｈｎｏｌｏｇｙｏｆＣｈｉｎａ，Ｃｈｅｎｇｄｕ６１００...

简介：Ageonetricalmoirémethodfordisplayingdirectlyisochromaticsandisoclinicsofadiametricallypressedcirculardiskispresented.ItisdemonstratedthatbyusingtwoidenticalordifferentWulffnets(orgrids)notonlythestressfieldsofacirculardiskcanbedisplayed,buttheu-andv-displacementfieldscanalsobeproduced.

简介：Thereexistmanymethodstomeasurebloodspeed,allofwhichhavesomeseriousshortcomings.Asfiberischaracterisedbytinydiameter,andlowlostratioofpowerandflexibility,itissuitableformeasuringbloodspeed.Itisprovedthatthespeedometerhashighspaceresolvingpower,hightimeresolvingpower,andoutstandingcapabilityofapproachingtarget,etc.

简介：一个新方法基于光线扫描的传统的方法被介绍了解决由采用线段在染色性图判定颜色的问题近似曲线--用多角形的近似闭曲线。然后，一个向量坐标能被用来描述曲线而不是曲线方程。判定在一个区域和一个点或一个地点之间的拓扑学关系因此是容易的。并且任何数据处理方法过时的人或物过去常节省存储器，它做改进光线扫描方法在颜色的测量是相当有用的。

简介：Theuniquepropertiesofsemiconductornanowiresareintroduced,andrecentresearchprogressesinapplication,self-assemblysynthesismethodsandmechanismsaresummarized.

简介：地理信息的网络服务开发了在网上分享的很快基于的数据。它有一个基本能力从搬运分享数据的效率的各种各样的用户，而是网络满足要求被网络资源的不同环境极大地影响。在以太网(FCoE)技术上的纤维隧道的出现最好解决这个问题。FCoE允许IP协议和纤维隧道网络交通在存在FCoE知道的驱动程序，网络信息中心，和开关上被带。它也向由保存所有纤维隧道的巩固构造的输入／输出(I/O)允许一条进化途径。FCoE由使用以太网并且允许工业避免创造另外一个简化顾客环境，为I/O的分开的协议巩固。FCoE增加的优点联网地理信息的运输效率。

简介：Toenhancethesecurityofnetworksystems,putsforwardakindofsoftwareagentisputforward,whichhastheinductionabilityofnetworkframeworksandtheabilityofbehaviorindependence.Itismobilescanningagent.Moreattentionsispaidtoexpoundhowtodesignandrealizemobilescanningagent.Besides,itisalsoexplainedtheprogramsofmobilescanningagentsystem.Intheend,itexpectsmobilescanningagent.

简介：Astheevolutionofmobiletechnology,mobiledeviceshavebecomeanessentialtoolinpeople’sdailylife.Moreover,withtherapidgrowthofInternetandmobilenetworks,peoplecaneasilyaccessvariousservicesprovidedbymobileplatforms.Manyservicescanbeexecutedonthemobiledeviceswithvariousmobileapplicationslaunchedtomobileplatforms.Peoplecanchoosewhattheyliketoinstallintheirmobiledevicesandhencemaketheirlifemoreconvenient,entertaining,andproductive.However,therearetoomanymobileapplicationsforuserstochoose.Thegoalofthisresearchistoproposeamethodologywhichcanrecommendtop-Nlistsformobileapplications.Acommentcorrelationmatrixisproposed.Furthermore,arecommendationalgorithmformobileapplicationsbasedonusercommentsandkeyattributesisbuilt.Withtheproposedmethod,itoutperformsGoogleplayandisclosertouserrealfeelings.

简介：Anovelfinite-difference(FD)approximationinfrequency-domainfortheMurboundaryconditionispresentedinthispaper.CombinedwiththeFDequationsderivedforinhomogeneousanisotropicmedia,thisboundaryconditionisconvenientandeffectivetobeappliedtotheEMscatteringbyelectricallylargeobjectsofcomplexmedia.Boththememoryrequirementandthecomputingtimearedramaticallysaved,comparedwiththeMM,withthecompressedstoragetechnique.Forthecasesofdifferentmedia,RCSofcircularandrectangularcylindersarecomputed.Goodagreementisobtainedbetweentheresultsbythismethodandthoseavailable.

简介：Aggregatesignaturesareausefulprimitivewhichallowsaggregatingmanysignaturesondifferentmessagescomputedbydifferentusersintoasingleandconstant-lengthsignatureandadaptstoMobileAdhocNETwork(MANETs)verymuch.JuminSong,etal.presentedanID-basedaggregatesignature,appliedittoMANETsandproposedasecureroutingscheme.Inthiswork,weanalyzeJuminSong,etal.’saggregatesignatureschemeandfindsomelimitationsonitsbatchverification.Inaddition,inthiswork,weapplyCraigGentry,etal.’sID-basedaggregatesignaturetoon-demandroutingpro-tocoltopresentasecureroutingscheme.Ourschemenotonlyprovidessoundauthenticationandasecureroutingprotocolinadhocnetworks,butalsomeetsthenatureofMANETs.

简介：ＯｐｔｉｃａｌＦｉｂｅｒＡｐｐｌｉｃａｔｉｏｎｔｏｔｈｅＯｂｊｅｃｔＲｅｃｏｇｎｉｔｉｏｎｏｆＤｅｘｔｅｒｏｕｓＨａｎｄ①ＸＩＥＸｕｑｉａｎｇ，ＷＡＮＧＳｈｏｕｙｕ，ＷＡＮＧＨｏｎｇｒｕｉ（ＹａｎｓｈａｎＵｎｉｖｅｒｓｉｔｙ，Ｑｉｎｈｕａｎｇｄａｏ０...

简介：Theforcesensingresistor(FSR)anditsconstructionandcharacteristicaredescribed.Byusingtheoptimalelectronicinterface,theendresultwhichisadirectproportionalitybetweenforceandvoltageisobtained.Thecircuitsofapplicationforforceandpositionmeasurementsintheroboticcontrolaregiven.TheexperimentthatFSRsareplacedonthefingersofBH-1dexteroushandastactilesensorstomeasurethecontactingforcesshowsFSR'sforcesensitivityisoptimizedforuseinthecontrolofrobotcontactingwithenvironment.

简介：Anoptimalpreviewmethodisappliedtothedesignofterrainfollowingcontrollerforcruisemissile.Inthismethod,trackingerrorsandcontrolincrementsarebothconsideredinthequadraticcostfunction.Integratingthegeneraloptimalservosystemwithapreviewfeedforwardcompensationthatfeedsforwardfuturecommandandfuturedisturbanceproducesanoptimalpreviewservosystem.Intheterrainfollowingsystem,theflightaltitudeofthecruisemissileisacommandsignal,anditsfutureinformationcanbeknownapriori.Hence,wehavedesignedaterrainfollowingcontrollerwithabasicstatefeedbackandafeedforwardcompensationforfuturealtitudeinformation.Simulationresultsshowthattheperformanceoftheterrainfollowingsystemwithsuchanoptimalpreviewcontrollerhasbeenimproveddramatically.

简介：Withthepropagationofapplicationsontheinternet,theinternethasbecomeagreatinformationsourcewhichsuppliesuserswithvaluableinformation.Butitishardforuserstoquicklyacquiretherightinformationontheweb.Thispaperanintelligentagentforinternetapplicationstoretrieveandextractwebinformationunderuser'sguidance.Theintelligentagentismadeupofaretrievalscripttoidentifywebsources,anextractionscriptbasedonthedocumentobjectmodeltoexpressextractionprocess,adatatranslatortoexporttheextractedinformationintoknowledgebaseswithframestructures,andadatareasoningtoreplyusers'questions.AGUItoolnamedScriptWriterhelpstogeneratetheextractionscriptvisually,andknowledgeruledatabaseshelptoextractwantedinformationandtogeneratetheanswertoquestions.

简介：Sonarimageshavecomplexbackground,lowcontrast,anddeteriorativeedges;thesecharacteristicsmakeitdifficultforresearcherstodisposethesonarobjects.Themulti-resolutionanalysisrepresentsthesignalsindifferentscalesefficiently,whichiswidelyusedinimageprocessing.Waveletsaresuccessfulindisposingpointdiscontinuitiesinonedimension,butnotintwodimensions.ThefiniteRidgelettransform(FRIT)dealsefficientlywiththesingularityinhighdimension.Itpresentsthreeimproveddenoisingapproaches,whicharebasedonFRITandusedinthesonarimagedisposaltechnique.Byexperimentandcomparisonwithtraditionalmethods,theseapproachesnotonlysuppresstheartifacts,butalsoobtaingoodeffectinedgekeepingandSNRofthesonarimagedenoising.

简介：Thecombineduseofthephotoelectricandelectro-opticpropertiesofBSOcrystal(Bi12SiO20)leadstorealizespatiallightmodulation.Undersomecondition,BSOcrystalcanbecomebirefringentdependingonalocalilluminance.Therelationshipbetweenthedistributionsofanilluminanceandabirefringencewillbediscussed.Thisspatiallightmodulatorcanworkinreal-time.Theexperimentshows,inordertoincreasethesensitivityofBSOcrystal,anelectricfieldof6kV/cmatanatmospherepressureof15×10^5PashouldbeappliedtoBSOcrystal.WithBSOwehavemeasured3-dimensionaldeformationbymeansofreal-timeholography.