简介:AnewmethodisproposedtoimplementanopticalS-Rflip-flopbypolarizationencodedlightsignal,necessaryopticalnonlinearmaterialandhalf-waveplate.Inthissystemtherealtimespeedofoperationcanbeachieved,andatthetimeoftransmissiontheaveragepowerofabyteremainsconstant.Thispolarizationencodedflip-flopcanactasamemorycell.
简介:Soft-switchingtechniquesareattractivetounity-power-factorAC/DCconverterintheviewofthesizereductionandEMIsuppression.Asoft-switchedboostPFCconverterhasbeenstudiedbasedonitstopologyanalysis,PSIMsimulationandcircuitexperiment.Aspeciallimitationofsoft-switchingtechniqueshasbeenfoundintheirAC/DCapplications.
简介:Inthispaper,anewadaptiveoptimalguidancelawwithimpactangleandseeker’sfield-of-view(FOV)angleconstraintsisproposed.Tothisend,thegeneralizedoptimalguidancelawisderivedfirst.Achangeableimpactangleweighting(IAW)coefficientisintroducedandusedtomodifytheguidancelawtomakeitadaptiveforallguidanceconstraints.Afterintegratingtheclosed-formsolutionoftheguidancecommandwithlinearizedengagementkinematics,theanalyticpredictivemodelsofimpactangleandFOVanglearebuilt,andtheavailablerangeofIAWcorrespondingtoconstraintsiscertain.Next,acalculationschemeispresentedtoacquirethereal-timevalueofIAWduringtheentireguidanceprocess.Whenapplyingtheproposedguidancelaw,theIAWwillkeepsmalltoavoidatrajectoryclimbinguptolimitFOVangleataninitialtimebutwillincreasewiththeclosingtargettoimproveimpactpositionandangleaccuracy,therebyensuringthattheguidancelawcanjuggleordersofguidanceaccuracyandconstraintscontrol.
简介:这研究调查堵塞的multitone的频率偏移量怎么影响调音的快跳跃频率的二进制频率移动(FFH/BFSK)自我使添加剂白人Gaussian噪音(AWGN)正常化(SNZ)在\O下面的接收装置。FFH/BFSKSNZ接收装置的平均bit-error-rate(BER)表情和有频率的通讯系统multitone抵消为理解模拟更好结果的缘故堵塞的FFH/BFSK传播光谱(SS)的普通BER表情。当堵塞力量是中等的时,有在堵塞的最糟的casemultitone(MTJ)和AWGN下面的差异的FFH/BFSKSNZ接收装置的BER性能受不了multitone堵塞的模拟结果表演是频率偏移量,它被几模拟验证,不同频率偏移量在堵塞的multitone设置了。因此,在堵塞的multitone下面的FFH/BFSKSNZ接收装置能在堵塞的multitone的频率偏移量的帮助下被作斗争。
简介:UnlikethepreviousresearchworksanalyzingthestabilityoftheT-S(Takagi?Sugeno)fuzzymodel,anextensiononthestabilityconditionofT-Sfuzzysystemswithadifferentstrategyisprovided.Inthestrategyanewvariable,whichisrelativetothegradeoffuzzymembershipfunction,isintroducedtothestabilityanalysisandanewstabilityconclusionisdeduced.Thedefinitionofstabilityconditioninthispaperisdifferentfrompreviousworks,thoughtheyaresimilarinform.Withtheproposedmethod,thesimulationinflightcontrollawshowsabettereffectiveness.