学科分类
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18 个结果
  • 简介:NETWORKTELECOMmagazine,commencedpublicationin1999,isthenetwork&telecommunicationsindust0?sleadingpublicationinChina.specializinginthefieldofopticfibercommunications,accessnetwork,mobilecommunications,CATVnetwork,cablingsystemanddatacommunications;andhasestablisheditsrepuionbyacombinationofauthoritativeeditorialcontent,targetingackcuatlonofhigho.ualitycoveringtheentireChinaregiom

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  • 简介:NETWORKTELECOMmagazinecommencedpublicationin1999,isthenetwork

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  • 简介:NETWORKTELECOMmagazineisthenetwork&telecommunicationsindustry'sleadingpublicationinChina,specializinginthefieldofopticfibercommunications,accessnetwork,mobilecommunications,CATVnetwork,cablingsystemanddatacommunications;andhasestablisheditsreputationbyacombinationofauthoritativeeditorialcontent,targetingacirculationofhighqualitycoveringtheentireChinaregion.

  • 标签: 《网络电信》 期刊 光纤通信 移动通信 书评
  • 简介:Themainresearchobjectsinthispaperarethecausessearchingandriskestimatingmethodfortelecomenterprises'financialrisks.Themulti-modefinancingfortelecomenterprisesmakesitflexibletoinducethecapitalandobtaintheprofitbycorrespondingprojects.Buttherearealsopotentialrisksgoingwiththesefinancingmodes.Aftermakinganalysisofcategoriesandcausesoftelecomenterprises'financingrisk,amethodbyAnalyticHierarchyProcess(AHP)isputforwardtoestimatingthefinancingrisk.Andtheauthormakeshersuggestionandopinionbyexampleanalysis,inordertoprovidesomeideasandbasisfortelecomenterprise'sfinancingdecision-making.

  • 标签: 通信事业 融资 风险分析 AHP 分析层次处理
  • 简介:由于TSP和电信服务的差异的复杂性在中国测量电信服务价格(TSP)的全部的变化是困难的。这篇文章分析在电信服务收入和电信服务的交通体积之间的关系并且推出在电信价格的趋势测量全部的变化的方法,它基于消费者“s为电信服务的实际支付。在从1949~2000与时间系列数据描述TSP的变化趋势以后,TSP显示出连续衰退趋势during1949~1975。相反,TSP出现了从1976~1991的一个升起的趋势和在1992以后的一个锋利的衰退趋势。实验测试和电信改革的实际背景支持结果。

  • 标签: 中国 电信服务 通信资费 定价策略
  • 简介:Combinedwiththeanalysisofcharacteristicsofthecommunicationindustryandthesustainabledevelopmentrequirementsoftheenterprise,consideringthecurrentandthelong-termdevelopmentandtheexternalstakeholderinterestoftheenterprise,thesustainabledevelopmentindexsystemoftelecomoperatorwasconstructedincludingoperationmanagementability,innovationdevelopmentabilityandstrategyleadingability.Takingatelecomoperatoranditssubsidiaryasanexample,theindexsystemwasdesignedandthedesignelementsandassessmentrequirementswerealsopresentedclearly.Theevaluationandanalysisoftheindexcanhelpenterpriseseffectivelyidentifythekeyshortcomingsofsustainabledevelopment,andbetterimprovethesustainabledevelopmentability.

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  • 简介:Thehigh-temperaturesensitivityofthesiliconmaterialindexlimitstheapplicationsofsilicon-basedmicro-ringresonatorsinintegratedphotonics.Torealizealowbutbroadbandtemperature-dependent-wavelength-shiftmicroringresonator,designingabroadbandathermalwaveguidebecomesasignificanttask.Inthiswork,weproposeabroadbandathermalwaveguidethatshowsaloweffectivethermo-opticalcoefficientof1×10-6∕Kfrom1400to1700nm.Theproposedwaveguideshowsalow-lossperformanceandstablebroadbandathermalpropertywhenitisappliedtoringresonators,andthebendinglossofringresonatorswitharadiusof>30μmis0.02dB/cm.

  • 标签: TOC TELECOM APPLICATIONS TiO SiO
  • 简介:Thecontinuousinvestmentintomanpowerresource,istheradicalpowertoassurethesustainabledevelopmentofenterprises.Theenterprisesbothathomeandabroadattachhighimportancetothecontinuouseducationoftheiremployeesandconsolidatetrainingtoinspiretheiremployees.Inordertofaceincreasinglydrasticglobalcompetition,thetelecomenterprisesinourcountryshouldconsolidatecontinuouseducation,maketrainingplanstoadapttothelong-termdevelopmentoftheenterprisesandestablishtheeffectivemechanismofencouragementofcontinuouseducation.

  • 标签: 电信企业 人力资源 继续教育 可持续发展
  • 简介:Telecomenterprisesareinurgentneedofalargeamountoffundsforupdatingnetworksandexpandingmarketshares,whileasset-backedsecuritizationisthemostrapidlyandvigorouslygrowingproductoffinancialinnovationintheinternationalcapitalmarket.Sincetelecomassetischaracterizedbylongrecoveryperiod,poorliquidity,highqualityandstablecashflow,whicharethebasicconditionsforusingasset-backedsecuritizationtofinance,asset-backedsecuritizationcanbeanewfinancingwayfortelecomenterprises.

  • 标签: 电信工业 筹措资金 ABS 资产安全
  • 简介:11月10日,阿尔卡特朗讯与法国巴黎机场集团旗下运营商Hubtelecom共同签署战略合作协议,由阿尔卡特朗讯为Hubtelecom提供并集成一整套IP多媒体子系统(IMS)解决方案。在部署该系统后,Hubtelecom将能够为企业客户提供广泛的高附加值融合服务。

  • 标签: IMS系统 HUB 部署 IP多媒体子系统 阿尔卡特 法国巴黎
  • 简介:Thispapergivesanewmethodintotheevaluatingsystemoftelecominvestmentprojects,I.e.RealOption.ThismayovercomethedefectsresultedfromemployingNetPresentValue(NPV),whichisnowusedintheevaluationoftelecomprojects.AtheoreticalanalysisofRealOptionisprovided,followedbyanexampleoftelecominvestmentprojecttoillustratethedifferencesbetweenthetwomethods.

  • 标签: BLACK-SCHOLES模型 网络值 评估系统 NPV
  • 简介:Weprovidethefirstdemonstrationofpureredemissioninthevisiblelightregionviathree-photonexcitationinmonodisperseNa_3ZrF_7:Ernanoparticles(NPs)byusingalaseroperatinginthetelecommunicationband.NPsof~22nmindiameteraresynthesizedat260°Cbythethermaldecompositionmethod.TheexperimentalresultsrevealthattheNa_3ZrF_7:ErNPsexhibitpureredemissioninthevisibleregionunder1480nmlaserexcitation,andtheemissionintensityissignificantlyinfluencedbytheEr~(3+)ionconcentration.Thedecaytimesofthe~4S_(3∕2)→~4F_(15∕2)and~4F_(9∕2)→~4F_(15∕2)transitionsoftheEr~(3+)ionsat540and655nm,respectively,arereducedbyincreasingtheEr~(3+)ionconcentrationintheNa_3ZrF_7:ErNPs.Thesuppressedemissionintensityresultfromthedefect-relatedquenchingeffect:whentrivalentEr~(3+)ionsreplactetravalentZr~(4+)ions,extraNationsandFvacanciesareformedtore-balancethechargeintheNa_3ZrF_7matrix.TheemissioncoloroftheNa_3ZrF_7:ErNPsisrelatedtothecrossrelaxationbetweenEr~(3+)ions.Theseresultsprovideanimportantsteptowardmoreeffectivebiologicalimagingandphotodynamictherapybyminimizingthescatteringoftheexcitationlightandincreasingthepenetrationdepth.

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