简介：AlosslessimagesecretsharingusingasimpleBooleanoperationisproposed.Theconceptofvisualcryptographyinthesecretsharingschemeisusedtoredesignalosslesssecretsharingscheme.Toensurethatthereconstructedimageisthetruesecretimage,anauthenticationmechanismisimportedintotheproposedschemetoverifywhethertheshadowsareauthenticbeforereconstructingthesecretimage.TheproposedschemedeliversmuchmoreeffectiveperformancethanChenandWu'sscheme.

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简介：Inisnecessarytostudydynamicoperationefficiencyoftransmissionnetworksinordertorealizehighintensificationofcommunicationnetworks.Theoperationefficiencydiscussedhereshouldexistnotinlogic-circuitlayer,butalsoinbothpathlayerandmediumlayer.Atheoreticalmethodofthemeasurementoflayersanscomprehensiveevaluationsispresentedbasedontheconceptoftransmissionefficiency.

简介：用极化的做镱的锁模式的纤维激光敏感隔离乾和极化控制器(PC)被报导。在正常分散，纤维激光能由调整PC的位置以多脉搏状态震荡。在极化状态isn鈥檛改变了的条件上，从单身者的做镱的锁模式的纤维激光变化的产量由增加泵力量搏动到多脉搏。纤维激光能由小心地调整PC1和PC2完成不同多脉搏输出。CLC数字TN253这个工作被中国(栅栏号码60577019和号码60137010)的国家科学基金支持了。

简介：Byutilizingtotalmagneticfluxφoftheprimaryandsecondarywindingsoftheflybacktransformerasastatevariable,thediscrete-timemodelofcurrent-modecontrolledflybackconverterisestablished,uponwhichthebifurcationbehaviorsoftheconverterareanalyzedandtwoboundaryclassificationequationsoftheorbitstateshiftingareobtained.Theoperation-stateregionsofthecurrent-modecontrolledflybackconverterarewellclassifiedbytwoboundaryclassificationequations.Thetheoreticalanalysisresultsareverifiedbypowerelectronicssimulator(PSIM).Theestimationofoperation-stateregionsfortheflybackconverterisusefulforthedesignofcircuitparameters,stabilitycontrolofchaos,andchaos-basedapplications.

简介：Demandresponse(DR)isgainingmoreandmoreimportanceinthearchitectureofpowersystemsinacontextofflexibleloadsandhighshareofintermittentgeneration.ChangesinelectricitymarketsregulationinseveralcountrieshaverecentlyenabledaneffectiveintegrationofDRmechanismsinpowersystems.Throughitsflexiblecomponents(pumps,tanks),drinkingwatersystemsaresuitablecandidatesforenergy-efficientDRmechanisms.However,thesesystemsareoftenmanagedindependentlyofpowersystemoperationforbotheconomicandoperationalreasons.Indeed,asufficientlevelofeconomicviabilityandwaterdemandsriskmanagementarenecessaryforwaterutilitiestointegratetheirflexibilitiestopowersystemoperation.Inthispaper,weproposedamathematicalmodelforoptimizingpumpschedulesinwatersystemswhiletradingDRblocsinaspotpowermarketduringpeaktimes.Uncertaintiesaboutwaterdemandswereconsideredinthemathematicalmodelallowingtoproposepowerreductionscoveringthepotentialriskofreal-timewaterdemandforecastinginaccuracy.NumericalresultswerediscussedonarealwatersysteminFrance,demonstratingbotheconomicandecologicalbenefits.

简介：AninputcouplerfortheTE021circularelectricmodeinagyroklystronamplifierthroughusingTE811asatransitioncouplingmodeinacoaxialcavityhasbeenproposedandnumericallysimulatedinafrequencyrangeofKa-BandwithHFSScode.ThecouplingefficiencyoftheTE021modeandthesuppressionfortheTE811modeinthemaincylindricalcavityaredeliberatelyconsideredbyadjustingthepositionandsizeofcouplingholesaswellastheradiusofthedrifttubes.ThenumericalresultsshowthattheTE021modecansuccessfullybeexcited,andrationalcouplingefficiencyandhighmodepurityfortheTE021modeinthecylindricalcavitycanbereachedfortheengineeringapplicationofgyroklystronamplifierstudy.