简介:Themethodofthetemperaturemeasurementbasedonthefluorescencelifetimeandfibertransmittingtechnologyisproposed.Thecertainoruncertainrelationshipbetweentemperatureandopticalcharacteristicsofsomefluorescencematerialexcitedbyfunctionpulseorsquare-wavepulse,andthetemperaturerelativityofthefeatureareanalyzed.Themethodbasedonthewavelettransformationtheoryisgiventoacquiretemperaturesignalsaccuratelyandtoremovethenoise.
简介:Basedontheelectromagneticfieldtheory,theopticalsignaltransmissioncharacteristicsininput/outputwaveguides,slabwaveguidesandarrayedwaveguidesofthearrayedwaveguidegrating(AWG)multi/demultiplexerareanalyzed.TherelationshipbetweenthephysicalparameterssuchasgeometrysizesandrelativerefractiveindexinAWGmulti/demultiplexerandtheopticalsignaltransmissioncharacteristicsarediscussed.ThistheoreticalstudycanbeusedforoptimizingthedesignandimprovingtheperformanceoftheAWGmulti/demultiplexer.
简介:Byapplyingswitch-signaltheory,theinteractionbetweenMOStransmissionswitch-ingtransistorandcurrentsignalincurrent-modeCMOScircuitsisanalyzed,andthetheoryoftransmissioncurrent-switcheswhichissuitabletocurrent-modeCMOScircuitsisproposed.Thecircuits,suchasternaryfull-adderetc.,designedbyusingthistheoryhavesimplercircuitstruc-turesandcorrectlogicfunctions.Itisconfirmedthatthistheoryisefficientinguidingthelogicdesignofcurrent-modeCMOScircuitsatswitchlevel.
简介:Self-configurationofphysicalcellidentity(PCI)isakeyfeatureforthelongtermevolutionadvanced(LTE-A)network.ThePCIisusedtoidentifythedifferentcellsinthesystem,becominganessentialcellconfigurationparameter.ConsideringtheuncoordinateddeploymentsoftheevolvedNodeB(eNodeB)andthelimitednumberofPCI,thePCIassignmentforcellswouldbequitecomplex.ThispaperpresentsandputsforwardagraphtheorybasedcentralizedPCIself-configurationscheme(GT-PCIS).ThePCIself-configurationproblemismappedtothewell-knownminimumspanningtree(MST)probleminordertooptimizethePCIreusedistanceanddecreasethemultiplexinginterferencethroughouttheentirenetwork.TheproposalprovidesagreedysearchtomakethelocallyoptimalselectionofPCIateachstage,andtoachieveaglobaloptimum.Todemonstratethealgorithmvalidity,performancesofGT-PCISandmanualconfigurationareevaluated.SimulationresultsshowthattheproposedGT-PCISoutperformsotherconfigurationalgorithmsevenundertheconditionofseverePCIdeficiency.
简介:Themicroscopicmechanismoflowlevellaserirradiation(LLLI)mendingrheologyforbloodisanalyzedbythequantumtheory.Theresultsshowthatthelasercanresolvethefibrinclot,sothepropertyofbloodrheologyisimproved,andsomebondsofthecholesterolinbloodarefracturedbythelowlevellaser(LLL).Hencetheratioofmembranecholesteroltomembranephosphatideoftheredcellisreduced,andthenthebloodcirculationcanbeimproved.Theclinicalcuredtestsandsomecorrelativetestdatacanbeexplainedbythetheoreticalanalysesinthispaper.
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简介:传统的不对称的Mach-Zehnder干涉仪(AMZI)上的分析基于方向性的couplers(DC)显示出的二3dB,那由产生阶段的coupler(PGC)由增加一个另外的非线性的阶段产生了到AMZI的原来的阶段差别的光过滤器,它的非周期性的频率反应能被修改,并且一个严格地周期的系列能被获得。用在AMZI区域前后的二PGC的AMZI过滤器的新奇结构被建议。与20nm的需要的免费光谱范围(FSR),设备的设计和优化作为缓冲区作为核心和PMMA-GMA用聚合物SU-8被执行。尽管插入损失(IL)变得比传统的AMZI过滤器的大,FSR作为20nm的期望的时期将近一致。