简介：Thispaperisconcernedwithahighcharacteristicimageprocessingandrecognitionsystemthatisusedforinspectingreal-timeblemishes,streaksandcracksontheinnerwallsofhighaccuracypipes.Asaregulardetector,theBPneuralnetworkisusedforextractingfeaturesoftheimageinspectedandclassifyingtheseimages,ittakesfullyadvantageofthefunctionofartificialneuralnetwork,suchastheinformationdistributedmemory,largescaleself-adaptingparallelprocessing,highfault-tolerantabilityandsoforth.Besides,animprovedBPalgorithmisusedinthesystemfortrainingthenetwork,andmakingthelearningprocedureofthenetconvergestotheminimumofoverallsituationathighrate.

简介：为了为光电子满足当前的高效光电子，有双同轴的包裹(剧降)的二种包裹类型和球格子数组(BGA)的电、热的表演要求，被建模并且热地模仿了，他们的热描述被在免费的空中使用温度轮廓和模仿的加热描述曲线比较并且讨论并且强迫了空气周围。结果证明那BGA有上级在内并且在全部的表演外面，并且在高度综合的光电子有有希望的未来。

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简介：Alasersimulatorisproposedwhichisbasedonahardware-in-loop(HWIL)simulationtestsystem.Asanimportantdeviceinthesimulationtestsystem,itisusedtosimulatethelaserenergyandthedivergenceangle.ThelasersimulatorsimulatestheattenuationprocessoflaserenergybythecontinuousrotationofGlanprismsandthechangingoflaserspotsizethroughthecontinuousmotionofthelaserbeamexpandingtelescopeonthestraightplatform.Thedynamicattenuationvelocityofthelasersimulatorisupto4dB/s,andthedivergenceangleadjustmentvelocityisupto3mrad/s.Themethodisfeasibleforthesimulationtest.

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简介：Themonophthalocyaninecomplexesofsamariumandterbiumcontainingaxial2-mercaptobenzothiazole(PcSm(MBT)(1)),2-(2-benzoxazol-2-yl)phenolate(PcTb(OON)(2))or2-(2-benzothiazol-2-yl)phenolate(PcTb(SON)(3))ligandsweresynthesizedandidentifiedbyelemental,LDI-TOFandX-ray(for1)analysis.Photoluminescence(PL)andelectroluminescence(EL)spectraofthecompoundscontainedonlyemissionbandsofphthalocyanineandaxialligandsbutdidnotcontainthebandsoff-ftransitions.Itwasfoundthatamongthecomplexes1,2,3thelatterhadhighestphotoconductivity(~10–7S/cm)andphotovoltaicproperties.Anorganicphotovoltaicdevice(OPV)ofconfigurationofITO/3/C60/Alq3/Alrevealedopen-circuitvoltage(VOC)of0.24Vandshortcurrentdensity(ISC)of0.3μA/cm2underilluminationbyaxenonlampat17mW/cm2.

简介：Nanocrystallineundoped和镍做了锌氧化物(Zn1?xNixO，x=0.00，0.01)粉末被简单、低温度的鈥渁u燃烧方法鈥成功地综合吗？微结构和光吸收和同样准备的样品的排放性质用X光检查衍射(XRD)被获得，扫描电子显微镜学(SEM)，Fourier变换红外线的分光计(FTIR)，紫外可见并且光致发光(PL)。没有任何第二等的阶段，结构学习在做Ni的样品证实六角形的wurtziteZnO的形成。光吸收大小在镍做之上在吸收乐队边显示红移动。乐队差距精力从3.21eV减少到3.17eV。在房间温度下面的同样准备的样品的光致发光系列出现强壮紫外(紫外)并且蓝排放山峰。PL排放研究强烈表明做的Ni能有效地调整在紫外区域在排放山峰导致红移动的精力水平。

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简介：采用Fabry-Perot(FP)的一个新奇紧缩的optoelectronic振荡器(OEO)反响电镀物品眼(EO)调节的人被建议并且试验性地示威了。反响的调节的人象模式选择元素一样被用作光存储元素，它能极大地减少系统复杂性并且使系统更便携式。而且，为FP反响的EO调节的人的光回声和电的传播反应理论上并且试验性地被学习。建议OEO在proof-of-concept实验，和噪音能分别地在1MHz偏移量频率在118和108dBc/Hz下面到达的相应单个边带的阶段在10和20GHz震荡。

简介：TheoptoelectronicandmagneticpropertiesofpureHoMnO3andHo0.67T0.33MnO3(T=La,Y)alloysinhexagonalphasearetheoreticallyinvestigatedbyusingthefirst-principlescalculations.TheinvestigationsareperformedbymeansofthedensityfunctionaltheorythroughusingthespinpolarizedgeneralizedgradientapproximationplustheHubbardpotential(SPGGA+U,Ueff=3eV).ThestudiedmaterialHoMnO3exhibitstwoindirectbandgaps:1.58eVforthespinupstateand0.72eVforthespin-downstatealongtheS–GdirectionwithintheSPGGA+Uapproximation.ItisfoundthatthebandgapofpureHoMnO3forthespin-upstateincreaseswithincreasingLaandYdopants.Theresultsshowthatallofthestudiedmaterialshavesemi-metallicbehaviorsforthespin-upstateandsemiconductingcharacterforthespin-downstate.ThesubstitutionsofLaandYforHoinHoMnO3causethestaticdielectricconstant(ε0)toincreaseinthexdirectionbuttodecreaseinthezdirection.ThecalculatedopticalconductivityspectrumofHoMnO3inalowenergyrangeisingoodagreementwiththerecentexperimentaldata.

简介：当microsatellite技术发展，精确内部卫星的测量在分布式的卫星系统显示出它的意义。在这封信，一种新奇技术为测量内部卫星的距离被建议，它采用optoelectronic回声并且有功能自我引用。回声洞有高度光谱纯净和高摆动频率。由利用积聚的扩大原则把距离的测量变换成频率的，高精确性被完成。在实验，这个测量计划有在1和6km之间的一个大测量范围(能潜在地更大)，并且精确性比1.5m好。相对精确性到达1010的水平。

简介：A100-Gb/shigh-speedopticaltransmitterisproposedandexperimentallydemonstrated.Basedonfrequency-quadruplingtechnique,twosub-channelswithafixed50-GHzspacingareobtainedfromonelasersource.Usingreturn-to-zerodifferentialquadraturephase-shiftkeying(RZ-DQPSK)modulationformatandpolarizationmultiplexing(PolMux),onlylow-speedelectronicdevicesof12.5GHzareneededforthe100-Gb/stransmitter.Thiseliminatestheneedofultrahigh-speedoptoelectronicdevicesandthusgreatlyreducesthecost.Theexperimentalresultsshowthatthistransmittercanachievegoodperfor-manceindispersiontoleranceofa25-kmsinglemodefiber(SMF).

简介：Wepresentamicrowave-assistedone-potpolymerizationwiththree-componentsofalkynes,aldehydesandaminesforthesynthesisofnewamino-functionalizedoptoelectronicpolymers.Thepolymerizationofdiynes（1a-1c）,dialdehydes（2aand2b）anddibenzylaminecatalyzedbyInCl3wascarriedoutsmoothlywithin1hundermicrowaveradiation,yieldingfoursolublepolymerswithhighmolecularweights.TheresultingpolymersP1andP2couldbeeasilydissolvedinalcoholandthusutilizedasthecathodeinterlayerforpolymersolarcells（PSCs）.Comparedwiththecontroldevice,thePSCswithP1andP2asthecathodeinterlayerandPTB7-Th:PC71BMasthephotoactivelayerexhibitedsignificantlyhigherpowerconversionefficiencies（PCEs）of9.49%and9.16%,respectively.Theseresultssuggestthatthispolycouplingreactionisanefficientapproachtoconstructthree-componentpolymersforthepracticalapplications.