简介：Code-switchingisasocio-linguisticterm,whichreferstotheswitchingfromonelanguagetoanother.Thispaperattemptstoshowthatcode-switchingcanbeusedasateachingstrategyforsecondlanguageteachingbyillustratingthepossiblereasonsfortheswitching.Italsoexploresthepossibilityofviewingcode-switchingaslanguageinterferenvefromateachingperspective.Inaccordancewiththeseanalysisthispapermakesaconclusionthatwhencode-switchingistocompensateforalanguagecifficultyitmaybeviewedasinterfernceandwhenitisusedasasocio-linguistictoolitbecomesastrategy.

简介：Inthispaper,anautomotiveenginephasesignalsimulationalgorithmisproposedbasedonaclosed-loopfeedbackstrategy,anditscorrespondingmodelisbuilt.Thesignalincentivesarecarriedoutinthefront-end,andthesynchronizationcaptureandcomparisonareconductedintheback-end.Thephasesimulationofsignaloutputisachievedusingclosed-loopstrategy,whichcaneffectivelyeliminatetheinconsistencybetweencrankshaftandcamshaftphases,andthustheaccuracyandflexibilityofphasesignalgenerationareguaranteed.Experimentalresultsshowthattheproposedalgorithmisrealtime,andthedeviationofsimulatedsignalsfromactualphasesignalsissmall.

简介：Asymmetricstereoscopicvideocodingcantakeadvantageofbinocularsuppressioninhumanvisionbyrepresentingoneofthetwoviewsinlowerquality.Thispaperproposesabitallocationstrategyforasymmetricstereoscopicvideocoding.Inordertoimprovetheaccuracyofbitallocationandratecontrolintheleftview,aproportionalintegral-derivativecontrollerisadopted.Meanwhile,tocontrolthequalityfluctuationbetweenconsecutiveframesoftheleftview,aqualitycontrollerisadopted.Besides,afuzzycontrollerisproposedtocontrolthevariationinqualitybetweentheleftandrightviewsbycomparingthePSNRdisparityoftwoviewswithafixedthreshold,whichisusedtoquantizethebinocularpsycho-visualredundancyandadjustthequantizationparameter(QP)oftherightviewcorrespondingly.TheproposedalgorithmhasbeenimplementedinH.264/AVCvideocodec,andtheexperimentalresultsshowitseffectivenessinratecontrolwhilekeepingagoodqualityfortheleftview,andfewerbitsareallocatedfortherightviewsothattheoverallbitrateissavedby7.2%atmostwithoutthelossofsubjectivevisualqualityforstereoscopicvideo.

简介：基于自动电压，控制(AVC)和电池精力存储控制的改进自动电压协作控制策略(AVCCS)(BESC)被建议让光电的连接格子的系统(PVGS)减轻环境骚乱引起的电压变化。当小环境骚乱发生时，仅仅AVC被使用，当BESC与当大骚乱发生时，制止电压变化的AVC被合并时。决定电压变化的允许的振幅的一个可调节的参数被介绍认识到上述切换的进程。一个基准低电压分发系统包括PVGS被使用商业软件建立挖沉默。模拟结果证明在AVCCS下面的电压满足IEEE标准1547，并且安装电池电容是也减少了。同时，电池服务生活被在控制过程避免经常的控告/解除扩大。