简介：A16-channeldualtuningwavelengthdivisionmultiplexer/demultiplexerbasedonsilicononinsulatorplatformisdemonstrated,whichisbothpeakwavelengthtunableandoutputopticalpowertunable.Thewavelengthdivisionmultiplexer/demultiplexerconsistsofanarrayedwaveguidegratingforwavelengthdivisionmultiplexing/demultiplexing,aheaterforpeakwavelengthtuningandavariableopticalattenuatorbasedonp–i–ncarrier-injectionstructureforopticalpowertuning.Theexperimentalresultsshowthattheinsertionlossonchipofthedeviceis3.7dB–5.7dBandthecrosstalkis7.5dB–9dB.Forthetunabilityofthepeakwavelength,1.058-nmwavelengthtunabilityisachievedwith271.2-mWpowerconsumption,andtheaveragemodulationefficiencyis3.9244nm/W;forthetunabilityoftheopticalpower,theopticalpowerequalizationisachievedinall16channels,20-dBattenuationisachievedwith144.07-mWpowerconsumption,andtheraise/falltimeofVOAis35ns/42ns.

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简介：Thequantumbacterialforagingoptimization(QBFO)algorithmhasthecharacteristicsofstrongrobustnessandglobalsearchingability.IntheclassicalQBFOalgorithm,therotationangleupdatedbytherotationgateisdiscreteandconstant,whichcannotaffectthesituationofthesolutionspaceandlimitthediversityofbacterialpopulation.Inthispaper,animprovedQBFO(IQBFO)algorithmisproposed,whichcanadaptivelymakethequantumrotationanglecontinuouslyupdatedandenhancetheglobalsearchability.Intheinitializationprocess,themodifiedprobabilityoftheoptimalrotationangleisintroducedtoavoidtheexistenceofinvariantsolutions.Themodifiedoperatorofprobabilityamplitudeisadoptedtofurtherincreasethepopulationdiversity.Thetestsbasedonbenchmarkfunctionsverifytheeffectivenessoftheproposedalgorithm.Moreover,comparedwiththeintegerorderPIDcontroller,thefractional-orderproportionintegrationdifferentiation(PID)controllerincreasesthecomplexityofthesystemwithbetterflexibilityandrobustness.Thusthefractional-orderPIDcontrollerisappliedtotheservosystem.ThetuningresultsofPIDparametersofthefractional-orderservosystemshowthattheproposedalgorithmhasagoodperformanceintuningthePIDparametersofthefractional-orderservosystem.

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简介：近年来兴起的“欧洲研究”，发展速度较快，获得的社会关注度较高。该学科将整个欧洲区域作为研究对象，分析各个国家的发展及跨国合作交流的情况。它既是跨学科研究领域，也是多学科研究领域，核心是深入分析欧洲一体化。“欧洲研究”是欧洲高校教育结构调整（Tuning）项目的一个分支学科，在学位设置方面，“欧洲研究”学科常设有本科学位和硕士学位。关于欧洲本质和欧洲认同的问题，是该学科人才培养方案中的重点。此外，“欧洲研究”学科注重知识的广阔性、人才的多元化发展，这使得该专业的毕业生在就业时选择面较广，就业机会较多。