简介：Traditionally,thedecisiontreemethodisdefinedandusedforfindingtheoptimalsolutionofaBayesiandecisionproblem.Anditisdifficulttousethedecisiontreemethodtofindthesub-optimalsolution,nottomentiontorankalternatives.Thispaperdiscusseshowtousethedecisiontreemethodforthealternativeselectingandranking.Apracticalcasestudyisgiventoillustratetheapplicability.

简介：Thispaperpresentsanewmethodforresynchronizationattack,whichisthecombinationofthedifferentialcryptanalysisandalgebraicattack.Byusingthenewmethodonegetsasystemoflinearequationsorlow-degreeequationsaboutinitialkeys,andthesolutionofthesystemofequationsresultsintherecoveryoftheinitialkeys.Thismethodhasalowercomputationalcomplexityandbetterperformanceofattackincontrasttotheknownmethods.Accordingly,thedesignoftheresynchronizationstreamgeneratorsshouldbereconsideredtomakethemstrongenoughtoavoidourattacks.WhenimplementedtotheToyocrypt,ourmethodgainsthecomputationalcomplexityofO(217),andthatofO(267)forLILI-128.

简介：Anewiterativemethodforsignal,restorationhasbeenpresented.AnestimateoperatorW_κwhichisrelatedtoerroroperatorB_κintherestorationprocessisintroducedtodecreasetheestimateerrorandincreasetheconvergencerate.Theeffectofnoiseontheestimateprocesshasalsobeendescribed.Finally,themethodhasbeenappliedtothedeconvolutionofablurredsignal,andtheresultsvalidatethemethod.Acomparisonbetweenthepresentedmethodandthegeneralmethodhasalsobeengiven.

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简介：Someshortcomingsofcommonfractalimagecodingmethodsarestudied,thentheyarecorrectedwithanewmethod.ThenewmethodisimprovedfurtherinDCTdomain.Codingresultsshowtheadvantageofthenewmethod.

简介：AnewsingularityextractiontechniqueispresentedtocalculateaccuratelythesingularintegralsinTimeDomainElectricFieldIntegralEquation(TDEFIE).Insingularityextractionpro-cedure,throughtheaidofthefirstorderTaylorseriesoftimebasefunctionincludingtime-retardation,thesingularityoftheintegrandcanberemoved.Thesurfacecurrentdensityandbackscatteredfar-fieldresponseofaconductingcubeilluminatedbyaGaussianplanewaveiscom-putedusingthepresentedtechnique.ComparisonsaremadewiththeresultsobtainedbytheInverseDiscreteFourierTransform(IDFT)ofthefrequencydomainandtheresultsobtainedbyusingVe-chinski'stimeaveragingtechnique,whichdemonstratethatthepresentedmethodwiththisnewtimedomainsingularityextractiontechniquetosolveTDEFIEisveryaccurateandstable.

简介：AnewFFTalgorithmhasbeendeduced,whichiscalledthebase-6FFTalgorithm.TheamountforcalculatingtheDFTofcomplexsequenceofN=2rbythebase-6FFTalgorithmisMr(N)=14/3*Nlog6N-4N+4formultiplicationoperationofrealnumberandAr(N)=23/3*Nlog6N-2N+2foradditionoperationofrealnumber.TheamountforcalculatingtheDFTofrealsequenceisahalfofitwiththecomplexsequence.

简介：Anewopticalfiberfluoropticthermometerbasedonthetemperature-fluoropticcharacteristicoffluoropticmaterialsispresented.Theratiotechniqueofintensitiesoffluorescentemissionlinesofcertainrareearthphosphorsisused,makingthemeasurementoftemperaturesofthesystemto0.5℃precision.Thecharacteristicsofthermometerarediscussedandtheexperimentresultsoftemperaturearegiven.

简介：Twotypesofnewsubliminalchannelsareconstructedrespectivelybasedonprovablesecurepublickeycryptosystemsandidentityrecognitioninsomenetworkapplications.Researchshowsthattherearesomenewcharacteristicswhichareinfavorofcovertcommunicationinourconstructions.Itishardtomakethesubliminalchannelsfree,andthechannelshavelargecapacityandhightransmissionefficiency.Wealsopointoutthatthehardnesstomakethechannelsfreeisdisadvantageoustothewardenwhotriestothwartthecovertcommunication.

简介：Thedatausedintheprocessofknowledgediscoveryoftenincludesnoiseandincompleteinformation.Theboundariesofdifferentclassesofthesedataareblurandunobvious.Whenthesedataareclusteredorclassified,weoftengetthecoveringsinsteadofthepartitions,anditusuallymakesourinformationsysteminsecure.Inthispaper,optimalpartitioningofincompletedataisresearched.Firstly,therelationshipofsetcoverandsetpartitionisdiscussed,andthedistancebetweensetcoverandsetpartitionisdefined.Secondly,theoptimalpartitioningofgivencoverisresearchedbythecombingandpartingmethod,acquiringtheoptimalpartitionfromthreedifferentpartitionssetfamilyisdiscussed.Finally,thecorrespondingoptimalalgorithmisgiven.Therealwirelesssignalsofftencontainalotofnoise,andtherearemanyerrorsinboundarieswhenthesedataisclusteredbasedonthetradionalmethod.Inourexperimant,theproposedmethodimprovescorrectrategreatly,andtheexperimentalresultsdemonstratethemethod’svalidity.

简介：Anewsetupofmeasuringtemperatureisdeveloped,whichtheprobeisamicro-powerconsumptiveonewithCMOScircuitandisdrivenbyopticalpower.Fortransmittingthemeasuredsignalandopticalsignalinalongdistance,thefibertechnologyisappliedinthissetup.

简介：Inbandpasssigmadeltamodulator,resonatoristhekeyblock.Thispaperproposedanewresonatorwhichcansimplifythecircuitimplementationwhendesigningbandpassmodulatorwithlowpassprototype.Theeffectoffinitegain,finitebandwidth,andpathmismatchontheresonatorisanalyzed.ThefunctionoftheproposedresonatorandthedeviredequationsaboutpathmismatchhavebeenverifiedbyswitchedcapacitorsoftwareSWITCAP.

简介：Inordertoformanemergencycontrolpolicytablequickly,thispaperproposesafastalgorithmofemergencycontrolnamed'micro-stepdiscretemethod',whichisbasedonthephysicalmeaningofthegradientandthediscretecharacteristicsofemergencycontrol.Thenitisimprovedthroughthestabilitycriterion,integralstep,andmicro-stepfactor.Thispapertakesgenerator-sheddingastheemergencycontrolmeasures.Astheoptimalgenerator-sheddingcontrolisessentiallyanoptimalcontrolproblemandthegenerator-sheddingvariablesarealwaysconstant,itisconvenienttousethecontrolparameteralgorithmtosolvetheproblem,whichcancalculatethegradientofthetransientstabilityfunctiontocontrolvariables.

简介：新纤维眼的水中听音器被描述。基于分布式的反馈纤维激光(DFB纤维激光)，试验性的安排由DFB-FL组成，失衡的Mach-Zehnder干涉仪，压电(PZT)调节的人，察觉和反馈控制电路，和示波器。试验性的结果证明赤裸的DFB-FL水中听音器对在他们的环境的小不安极其敏感并且能获得准确声学的信号。CLC数字TN256由中国奖学金委员会支持了，中国的自然科学基础(别同意NSFC60677027)，中国的山东省的自然科学基础(别同意Y2006G08)，并且为科学的山东学院的博士研究的基础(别同意2005-79)。

简介：ＮｅｗＣｏｌｏｒｉｍｅｔｒｉｃＰｙｒｏｍｅｔｅｒｗｉｔｈＯｐｔｉｃａｌＦｉｂｅｒＬｉｎｋ①ＺＨＵＧｕａｎｇｒｏｎｇ，ＬＩＵＬｉｗｅｉ（ＹａｎｓｈａｎＵｎｉｖｅｒｓｉｔｙ，Ｑｉｎｈｕａｎｇｄａｏ０６６００４，ＣＨＮ）Ａｂｓｔｒａｃｔ：Ｂａｓｅｄｏｎｔｈ...

简介：AdmissioncontrolplaysanimportantroleinprovidingQoStonetworkusers.Motivatedbythemeasurement-basedadmissioncontrolalgorithm,thisletterproposedanewadmissioncontrolapproachforintegratedservicepacketnetworkbasedontrafficprediction.Intheletter,FARIMA(p,d,q)modelsintheadmissioncontrolalgorithmisdeployed.AmethodtosimplifytheFARIMAmodelfittingprocedureandhencetoreducethetimeoftrafficmodelingandpredictionissuggested.Thefeasibility-studyexperimentsshowthatFARIMAmodelswhichhavelessnumberofparameterscanbeusedtomodelandpredictactualtrafficonquitealargetimescale.Simulationresultsvalidatethepromisingapproach.

简介：Morestableandaccuraterecursiveformulasandacomputingprocedureforscat-teringcoefficientcalculationofamultilayeredsphereareproposed,ThisprocedureinvolvesthreelogarithmicderivativesofRicatti-Besselfunctionψ_n~＇(z)/ψ_n(z),X_n~＇(z)/X_n(z),ξ_n~＇(z)/ξ_n(z),aswellastheratioψ_n(z)/X_n(z).Theasymptoticbehavior,stability,andaccuracyoftheprocedureandscatteringcoefficientsa_nandb_narediscussedforvariouscomplexrefractiveindices.Thisprocedurecanbeappliedtolargeandsmallinhomogeneoussphericalparticles.

简介：新表面声学的波浪微分quadraphase换档键(锯DQPSK)扩频(SS)信号匹配滤波器基于SS和微分调制的熔化被报导。多相的编码的锯匹配滤波器的设计被建议而非锯DQPSK的另一个图案过滤，它能在锯DQPSK匹配滤波器的延迟时间的一半切并且看见了固定延迟线(软式磁碟机为微分解调使用了。这突破被成为系统大部分容易很减少一种尺寸和过程。当调整阶段数字比4大时，这个方法能也特别在另外的SAWMPSK匹配滤波器设计是可行的。设计例子和它的试验性的结果被给。

简介：Toseekforlower-dimensionalchaoticsystemsthathavecomplextopologicalattractorstructurewithsimplealgebraicsystemstructure,anewchaoticsystemofthree-dimensionalautonomousordinarydifferentialequationsispresented.Thenewsystemhassimplealgebraicstructure,andcandisplaya2-scrollattractorwithcomplextopologicalstructure,whichisdifferentfromtheLorenz's,Chen'sandLu¨'sattractors.Byintroducingalinearstatefeedbackcontroller,thesystemcanbecontrolledtogenerateahyperchaoticattractor.Thenovelchaoticattractor,hyperchaoticattractoranddynamicalbehaviorsofcorrespondingsystemsarefurtherinvestigatedbyemployingLyapunovexponentspectrum,bifurcationdiagram,Poincar′emappingandphaseportrait,etc.,andthenverifiedbysimulatinganexperimentalcircuit.

简介：Basedontheconceptofthermo-radiationtheory,theprincipleofnon-contacttemperaturemeasurementwithopticalfiberisintroduced.Thenewpyrometeroperatesonthebasisoftwo-waytemperaturesignaldivisioncalculationviamrcrocom-putersignalprocessingsystem.Itsdesignmethodandsmartconstructionoftheelectro-opticalsystempossesssuchadvantagesashighmeasurementaccuracy,freedomfromelectricinterferenceandotherperturbationsaswellasflexibleapplications.Theindica-tionscaleofthemeasuredtemperatureandexperimentresultsaregiveninthispaper.