共查询到20条相似文献,搜索用时 31 毫秒
1.
1 IntroductionTheAccessNetworkisaseriesoftransferenti tiesbetweenservicenodeinterfacesandtherespon dentusernetworkinterfaces,providingtransfer ring ,multiplexer,cross connectionandotherloadtelecommunicationservices[1 ] .AstheCommunica tionTechnologiesdevelop… 相似文献
2.
DesignofIREDMSystemwithaDSPPhaseDetector①LIUJianguo,WEIQingnong(AnhuiInstituteofOpticsandFineMechanics,ChineseAcademyofScienc... 相似文献
3.
NetWareAccesServices在NetWare41网络中实现远程通信的问题分析●席亚伟NetWareAccessServices(简称NAS)是Novel公司为解决远程用户、移动用户通过拨号线、专线、X25(PSTN、CHINAPAC)... 相似文献
4.
刘恩荣 《电子工业专用设备》2002,31(1)
AAauditoriumacoustics厅堂音质AAAauthentication ,authorization ,account (server)(用户 )认证、授权、计帐 (服务器 )AACATMaccessconcentrator异步传送模式接入集中器AACSadvancedautomaticcompilationsystem高级自动编译系统AADaudioanalogdisc模拟录音光盘AANCadaptiveactivenoicecancellation自适应有源噪声对消 ,自适应有源消噪AASPa… 相似文献
5.
1 IntroductionMultiple AccessInterference (MAI)owingtomanysimultaneoususersconstitutesthemainlimita tionofDS CDMAsystems .MultiuserdetectiontechniquescanefficientlysuppressMAIandsub stantiallyincreasethecapacityofCDMAsystems.Variousmultiuserdetectionschem… 相似文献
6.
TU Yaqing 《半导体光子学与技术》1997,(2)
NeuralNetworkSignalProcesingApproachforDamageAssessmentinFiberopticSmartMaterialSystemsandStructures①②TUYaqing(Depart.ofAutom... 相似文献
7.
8.
1 IntroductionRecently ,DirectSequencespreadCodeDivisionMultipleAccess (DS CDMA)hasbecomealeadingmultipleaccesstechnologyforcellularwirelesssys tems,inwhichtherehavebeensignificantchieve ments.Intheliterature ,therehavebeenresearchesonpowercontrolalgorithm… 相似文献
9.
StructuralDamageAssessmentbyanEmbeddedFiberopticSensorArrayandItsANNSignalProcessor¥ZHAOTingchao;HUANGShanglian;CHENWeimin(Ch... 相似文献
10.
1 INTRODUCTIONANDMOTIVATIONAsoneofthetwomajorresearchdirectionsininfraredimagingguidance ,thesub imagingguidanceisimportantintheterminalguidanceforitslowercost,betterportability ,shootingfacilityandgoodtrackingperformance .Inthispaper,ageneticalgorithmapp… 相似文献
11.
《固体电子学研究与进展》1999,(4)
NanjingElectronicDevicesInstituteimportedModularGenⅡMBEsystemrevealedinthefrontcoverfromEPIMBEProductsGroupin1995.Ithascapabilityoffabricating75mmand50mmⅢ-Ⅴcompoundmaterials.GaAs,AlGaAs,InGaAs,InAlAslayerswithgoodelectricalperformancesahvebeengrown… 相似文献
12.
1 IntroductionInthepastthirtyyears,randomaccesstech niqueshavewidelybeenappliedinsatellitesystems,groundradionetworks,andcomputerandcommuni cationsystems.TheoriginalrandomaccessschemewasALOHAsystemwhichwasintroducedbyAbramsonin 1 970 .Thissystemschemewassim… 相似文献
13.
1 IntroductionIn 1 980s,twoadvancesintechnologybegantochangeourworld .Thefirstwasthedevelopmentofpowerfulmicroprocessors.Theseconddevelopmentwastheinventionofhigh speedcomputernetworks.Andnowthenew generationoftechnologycouldraisethebarfordistributedcomputi… 相似文献
14.
15.
AFrequency-DiversitySpread-SpectrumMultipleAccessSystemwithRandomSignatureSequencesCaoYewen;XiangHaige(PekingUniversity,Beiji... 相似文献
16.
Asuccesivescalingdownoffeatureprocessingdimensionhasgivenrisetoaserialofvariationsinmanufacturingtechnologies[1]... 相似文献
17.
1 IntroductionThethirdgenerationofmobilecommunicationsystemswillbeabletoprovideawholevarietyofvoice ,dataandvideoservicesfortheuser.Muchre searchhasbeendoneontheuseofwideband CDMAforsuchsystems.ThemainadvantagesofCDMAarewellknown ,however,itscapacityislim… 相似文献
18.
19.
1 Introduction Assetsservicesaretheservicesthathandlefund .Financialorganizationsrealizebusinessopera tionbyturningthefundsabsorbedintoeconomicre sultsthroughassetsservices.Becauseofitsnetworkandcredit,thesavingsdepositabsorbedby postmustbehandledeffect… 相似文献
20.
SHI Jianjun 《半导体光子学与技术》1998,(3)
1IntroductionAcousto-optictechniqueshavebensuccesfulyappliedtovariousareasofsignalprocesingsuchasspectrumanalysis[1]andambigu... 相似文献