简介：为光学地抽的兆兆赫激光由电容的长带栅栏和挤的高抵抗力的硅底层组成的产量coupler理论上被设计，它的发射度表演也被讨论。经常发生在以前的实验的etalon效果有效地被压制，并且因此，一个扁平、精确的发射度系列在2厘米的狭窄的wavenumber间隔被获得?1接近特别中心wavenumber。而且，到底层厚度的细微移动的发射度敏感完全也被消除。挤的产量coupler是容易的制作，它的底层可以反复被使用满足各种各样的发射度要求。

简介：Thispaperpresentsanovelapproachtodetectanddiagnosefaultsinthedynanmicpartofachisofstochasticsys-tems.theSuchagroupofsystemsaresubjectedtoasetofcrispinputsbuttheoutputsconsideredarethemeasurableprobabilitydensityfunctions(PDFs)ofthesystemoutput,ratherthanthiesystemoutputalone.Anewapproximationmodelisdevelopedfortheoutputprobabilitydensityfunctionssothatthedynamicpartofthesystemisdecoupledfrontheoutputprobabilitydensityfunctions.Anonlinearadaptiveobserverisconstructedtodetectanddiagnosethefaultinthedynamicpartofthesystem.Convergencyanalysisisperfomedfortheerrordynamicsraisedfromthefaultdetectionanddiagnosisphaseandanapplicabilitystudyonthedetectionanddiagnosisoftheunexpectedchangesinthe2Dgrmmagedistributionsinapaperformingprocessisincluded.

简介：紧缩的diode-side-pumpedTm:钇铝柘榴石激光被介绍，它能在2.02mm输出cw力量的51W。Tm:钇铝柘榴石杆是九个二极管数组在25degC与783nm的中央波长和大约2.5nm的with带宽抽的方面。减少热效果在上结束并且有效地驱散热，一合成Tm:有undoped钇铝柘榴石结束的钇铝柘榴石杆盖住，螺丝钉在杆的方面表面上穿被用作激光水晶。2.02公里激光产量的最大的optical-to-optical变换效率是14.2%，与26.8%的斜坡效率。[从作者抽象]

简介：ＡｎＡｎａｌｙｓｉｓｏｆｔｈｅＰｏｔｅｎｔｉａｌｏｆＣｈｉｎａ′ｓＧｒａｉｎＯｕｔｐｕｔｉｎ２０００———ＢｙｔｈｅＨｅａｄＲｕｒａｌＳｕｒｖｅｙＴｅａｍｏｆｔｈｅＳｔａｔｅＳｔａｔｉｓｔｉｃａｌＢｕｒｅａｕｈｉｎａ′ｓｇｒａｉｎｏｕｔｐｕｔｉｎｃｒ...

简介：在这份报纸，易于不同骚乱的一般异构的非线性的多代理人系统的输出一致问题被考虑。一种Takagi-Sukeno模糊建模方法被用来描述非线性的代理人动力学。基于模型，一个分布式的模糊观察员和控制器基于分布式的赔偿计划和内部引用建模的平行被设计以便异构的非线性的多代理人系统能完成输出一致。然后，一个必要、足够的条件为产量一致问题被介绍。并且全球模糊模型的一致轨道被网络拓扑学和内部参考书模型的起始的状态决定，这被显示出。最后，一些模拟被给说明并且验证建议计划的有效性。

简介：Nyquistfoldingreceiver(NYFR)isatypicalwidebandanalog-to-informationarchitecture.Focusingonthenoncooperativereceiving,thepulseradarsignalinterceptedbytheNYFRintimedomainisanalyzed.TheNYFRoutputsunderdifferentinputconditionsareinvestigatedbasedontheextendedFouriertransform(EFT)andthesamplingtheorem.CombiningwiththecharacteristicoftheNYFRoutputintimedomain,anewtimeofarrival(TOA)estimationmethodbasedontheenergyenvelopeandthewavelettransformisproposed.Theproposedestimationmethodcanbeadaptedforthenon-cooperativesituation.Ithasnorequirementforpriorinformationtodeterminethethresholdandisnotnecessarytotransformthesignalintobaseband.SimulationresultsprovethecorrectnessoftheNYFRoutputexpressionsandshowtheefficacyoftheproposedestimationmethod.

简介：Changesoftheaveragebrightnessandnon-uniformityofdarkoutputimages,andqualityofpicturescapturedundernaturallightingforthecolorCMOSdigitalimagesensorsirradiatedatdifferentelectrondoseshavebeenstudiedincomparisontothosefromtheγ-irradiatedsensors.Fortheelectron-irradiatedsensors,thenon-uniformityincreasesobviouslyandasmallbrightregiononthedarkimageappearsatthedoseof0.4kGy.Theaveragebrightnessincreasesat0.4kGy,increasessharplyat0.5kGy.Thepictureisveryblurryonlyat0.6kGy,showingthesensorundergoessevereperformancedegradation.ElectronradiationdamageismuchmoreseverethanγradiationdamagefortheCMOSimagesensors.Apossibleexplanationispresentedinthispaper.

简介：Weproduceamaximum1.45Wlaseroutputat1064nmusinganeodymium-dopedsilicateglassfiberthathasarectangularcorewithdimensionsof~6.3μm×31.5μm.Themeasureddivergenceanglesoftheoutputlaserintwodimensionsare3.22°and1.76°,respectively.Theoutputpowerisstableandlimitedonlybytheavailablepumppower.

简介：Wepresentacontinuous-wavesingly-resonantopticalparametricoscillatorwith1.5%outputcouplingoftheresonantsignalwave,basedonanangle-polishedMgO-dopedperiodicallypoledlithiumniobate(MgO:PPLN),pumpedbyacommercialNd:YVO4laserat1064nm.Theoutput-coupledopticalparametricoscillatordeliversamaximumtotaloutputpowerof4.19Wwith42.8%extractionefficiency,acrossatuningrangeof1717nminthenear-andmid-infraredregion.Thisindicatesimprovementsof1.87Winoutputpower,19.1%inextractionefficiencyand213nmintuningrangeextensionincomparisonwiththeopticalparametricoscillatorwithnooutputcoupling,whileattheexpenseofincreasingtheoscillationthresholdbyafactorof～2.Moreover,itisconfirmedthatthefiniteoutputcouplingalsocontributestothereductionofthethermaleffectsincrystal.

简介：基于1D波浪的特征，在在不同装载下面的标本的压力一致性进程调节矩形并且一半正弦输入波浪在裂口Hopkinson压力被分析工具条(SHPB)测试。结果证明从一个宣传的一个有弹性的波浪的时间在一个标本结束到其它达到压力平衡，与在标本和输入／输出酒吧之间的输入波形和相对机械阻抗有关。在此中与相对阻抗的increae，在装载的矩形的输入波浪下面的时间减少，当它在一半正弦输入下面增加时，飘动装载。相应于有相对机械阻抗的增加的压力平衡增加的地位的标本的尺寸更少压力价值。然而，在一半正弦输入波浪装载下面的尺寸更少压力值是比在矩形的输入波浪与低机械阻抗，和更少的应力不到二珍视随相对机械阻抗的增加装载条件减少的尺寸的相对差异为标本装载下面的值显著地低的。一般来说，有在一半正弦输入波浪装载下面的相对低的机械阻抗的标本的强迫的状态比在矩形的输入波浪在装载随相对机械阻抗的增加弱的拐弯的一半正弦输入波浪下面在强迫的状态的SHPB测试，和优点装载下面的状态显然优异。

简介：Thispaperdealswiththedesignofanoutputfeedbackpredictivecontrollerforinductionmotors.Thefundamentalinterestoftheproposedcontrolleristhecapabilityofdecouplingthemechanicalspeedandtherotorfluxes,withoutdegradationagainstthevariationofrotorresistanceandloadtorque.Hence,thecontributionistoapplytwoestimationproceduresinordertoachievethisgoal.Namely,anunknowninputobserver（UIO）isusedfortheconstanttimeestimationwhereasaheuristicsolutionisexploitedfortheloadtorqueupdate.Moreover,rotorfluxcomponentsarerecoveredasanunavailablestateofthesystem.Effectivenessoftheproposedobserversandtheperformanceofthecontrollerareconfirmedbysimulationresults.

简介：Thetime-delaysignature(TDS)ofchaosoutputina1550nmvertical-cavitysurface-emittinglaser(VCSEL)subjecttofiberBragggrating(FBG)feedbackisinvestigatedexperimentally.Autocorrelationfunction(ACF)andmutualinformation(MI)areusedforquantitativelyidentifyingtheTDSofchaos.Forvariousbiascurrents,theTDSevolutionwiththefeedbackstrengthisdifferent,astheFBGprovideswavelength-selectivefeedback.Furthermore,basedontheTDSmapoftheFBGfeedbackVCSEL(FBGF-VCSEL)intheparameterspaceoffeedbackstrengthandbiascurrent,theoptimalTDSsuppressionregions,wherethedominantpolarizationmodeofFBGF-VCSELlocatesattheedgeofthemainlobeofFBGreflectionspectrum,havebeendetermined.Finally,forcomparativepurpose,theTDSofchaosinmirrorfeedbackVCSEL(MF-VCSEL)alsohasbeenpresented,andtheresultsshowthatanFBGF-VCSELpossessesbetterTDSsuppressionperformancethananMF-VCSEL.

简介：Thelow-resistanceinternalsoftheDRtypedouble-layeredmethanolsynthesisreactordevelopedbyShijiazhuangZhengyuanEquipmentCo.,Ltd.hasbeengrantedaChinesepatent.Currentlythisequipmentisunderinstallationand

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简介：Inthispaper,weproposeandexperimentallyinvestigatealinearlypolarizednarrow-linewidthrandomfiberlaser(RFL)operatingat1080nmandboosttheoutputpowertokilowattlevelwithnear-diffraction-limitedbeamqualityusingamasteroscillationpoweramplifier.TheRFLbasedonahalf-openedcavity,whichiscomposedofalinearlypolarizednarrow-linewidthfiberBragggratinganda500mpieceofpolarization-maintainedGe-dopedfiber,generatesa0.71Wseedlaserwithan88pmfullwidthathalf-maximum(FWHM)linewidthanda22.5dBpolarizationextinctionratio(PER)forpowerscaling.Atwo-stagefiberamplifierenhancestheseedlasertothemaximal1.01kWwithaPERvalueof17dBandabeamqualityofM_x~2=1.15andM_y~2=1.13.NostimulatedBrillouinscatteringeffectisobservedattheultimatepowerlevel,andtheFWHMlinewidthoftheamplifiedrandomlaserbroadenslinearlyasafunctionoftheoutputpowerwithacoefficientofabout0.1237pm∕W.Tothebestofourknowledge,thisisthefirstdemonstrationofalinearlypolarizednarrow-linewidthRFLwithevenkilowatt-levelnear-diffraction-limitedoutput,andfurtherperformancescalingisongoing.

简介：由有固有的技巧此处，在房间膜上与高度选择的离子隧道和泵在液体从盐内容产生可观的bioelectricity的生物系统启发了一只充分不能生活的、单个杯子圆锥形的nanopores收获精力被表明。圆锥形的nanopores被显示出被取决于离子散开的方向的电解质集中坡度控制的否定地控告的玻璃里的离子当前的校正(ICR)。ICR的度与向前增加被提高集中差别。当集中坡度相对地被使用时，不平常的校正倒置被观察。有单个nanopore的最大的力量产量接近104 pW。这个灵巧、成本效率的收获精力的系统有潜力驱动干净精力的恢复种的微小的生物医学的设备或构造未来。

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简介：Anewarchitectureofwaveletneuralnetworkwithmulti-input-layerisproposedandimplementedformodelingaclassoflarge-scaleindustrialprocesses.Becausetheprocessesareverycomplicatedandthenumberoftechnologicalparameters,whichdeterminethefinalproductquality,isquitelarge,andtheseparametersdonotmakeactionsatthesametimebutworkindifferentprocedures,theconventionalfeed-forwardneuralnetworkscannotmodelthissetofproblemsefficiently.Thenetworkpresentedinthispaperhasseveralinput-layersaccordingtothesequenceofworkprocedureinlarge-scaleindustrialproductionprocesses.Theperformanceofsuchnetworksisanalyzedandthenetworkisappliedtomodelthesteelplatequalityofcontinuouscastingfurnaceandhotrollingmill.Simulationresultsindicatethatthedevelopedmethodologyiscompetentandhaswellprospectstothissetofproblems.

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