共查询到20条相似文献,搜索用时 15 毫秒
1.
XU Shun dou 《中国邮电高校学报(英文版)》2002,9(2)
1 IntroductionInordertoimprovethequalityofpostalserviceandtakeadvantageofautomatedmailsortingequip ments,ithasbeendeterminedtoconstructthepostalareacenterofficesysteminChinaPostalSer vice (CPS) .ThecruxoftheproblemfacedbyCPSistoredesignthepostalcommunica… 相似文献
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Wen H. Chen 《中国邮电高校学报(英文版)》1994,(2)
CompressedDigitalVideo:AcceleratingtheVideoCommunicationsRevolutionWenH.Chen(CompressionLabs,Inc.2860JunctionAveSanJose,CA951... 相似文献
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《红外与毫米波学报》2002,21(4)
Editor in Chief (主编 )CHUJun Hao(褚君浩 )ShanghaiInstituteofTechnicalPhysics ,ChineseAcademyofSciences4 2 0ZhongShanBeiYiRd ,Shanghai 2 0 0 0 83,ChinaExecutiveEditor in Chief (执行主编 )MIZheng Yu(糜正瑜 )ShanghaiInstituteofTechnicalPhysics ,ChineseAcademyofSciences4 2 0ZhongShanBeiY… 相似文献
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CCI┐BasedContinuous┐TimeCurent┐ModeBiquadFilterManuscriptreceivedJun.29,1996.Thisworkissupportedbythescienceandtechnologyfoun... 相似文献
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IntroductionMostofmodernHg1-xCdxTeternarycompoundIRphotodetectorsaremanufacturedfromLPEfilmsgrownonCdTeandCdZnTesubstrates[1~ 4 ] .Compo sitionaldepthnonuniformityseemstobeaninherentfeatureofthesefilms[5,6 ] .Itcausesthevariationsofband gapwiththedepth ,thusaff… 相似文献
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AA(ArtificialAntenna)仿真天线 ABC(AutomaticBandwidthControl自动带宽控制 AutomaticBassCompensation自动低音补偿 AutomaticBassControl自动低音调整 AutomaticBrightnessControl自动亮度控制 ABCC(AutomaticBrightnessContrastControl)自动亮度对比度调整 ABL(AutomaticBrightnessLimiterCircuit)自动亮度限制电… 相似文献
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AbstractTheresearchinCoherentOpticalFiberCommunicationSystems(COFCS)usinglongwavebandsemiconductorlaserdiodesastransmiterand... 相似文献
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1 IntroductionTheMulti CarrierCodeDivisionMultiplexingAccess(MC CDMA)spreadspectrumcommunica tionsystem providedfortheThirdGenerationmo bilesystemhasgainedwideacceptanceowingtoitsabilitytocombatmultipathfadinginwirelesschan nels.Sourour[4] proposesanewkindo… 相似文献
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AnalysisofCrostalkInducedbyOpticalCros-ConnectioninMultiwavelengthNetworksShenXiaoandYePeida(BeijingUniversityofPostsandTelec... 相似文献
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GAO Ze hua QIAN Zong jue XU Da xiong Foundation item: This work is supported by the National Foundation Natural Science of China under project No. 《中国邮电高校学报(英文版)》2001,8(1)
1 IntroductionOpticalCodeDivisionMultipleAccess(OCD MA)systemshavebeeninvestigated[1 ] .Manyen coders/decodershavebeen proposed ,forexample,opticalfiberdelay lines[2 ] .Inthispaper,weemploythelow weightOpticalOrthogonalCode(OOC s) [3~5] withthelengthMandtheweightΩaso… 相似文献
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OntheRealizationofCurrent-ModeContinuousTimeOperationalTransconductanceCapacitanceFilter¥GuoJingboandHanQingquan(ChangchunPos... 相似文献
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《红外与毫米波学报》2002,21(3)
Editor in Chief (主编 )CHUJun Hao(褚君浩 )ShanghaiInstituteofTechnicalPhysics ,ChineseAcademyofSciences4 2 0ZhongShanBeiYiRd ,Shanghai 2 0 0 0 83,ChinaExecutiveEditor in Chief (执行主编 )MIZheng Yu(糜正瑜 )ShanghaiInstituteofTechnicalPhysics ,ChineseAcademyofSciences4 2 0ZhongShanBeiY… 相似文献
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《红外与毫米波学报》2002,21(6)
Editor in Chief (主编 )CHUJun Hao(褚君浩 )ShanghaiInstituteofTechnicalPhysics ,ChineseAcademyofSciences4 2 0ZhongShanBeiYiRd ,Shanghai 2 0 0 0 83,ChinaExecutiveEditor in Chief (执行主编 )MIZheng Yu(糜正瑜 )ShanghaiInstituteofTechnicalPhysics ,ChineseAcademyofSciences4 2 0ZhongShanBeiY… 相似文献
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ApplicationsofchaosinspreadspectrumcommunicationsApplicationsofSolitonTransmissionControlinOptimalDesignofLong-HaulSolitonCom... 相似文献
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《红外与毫米波学报》2002,21(5)
Editor in Chief (主编 )CHUJun Hao(褚君浩 )ShanghaiInstituteofTechnicalPhysics ,ChineseAcademyofSciences4 2 0ZhongShanBeiYiRd ,Shanghai 2 0 0 0 83,ChinaExecutiveEditor in Chief (执行主编 )MIZheng Yu(糜正瑜 )ShanghaiInstituteofTechnicalPhysics ,ChineseAcademyofSciences4 2 0ZhongShanBeiYiRd ,Shanghai 2 0 0 0 83,ChinaHonoraryAdvisors (名誉顾问 )TANGDing Yuan(汤定元 ) ,Shanghai,China KUANGDing Bo(匡定波 ) ,Shanghai,ChinaEditorialBoard (编委 )C .R .Becker ,W櫣rzburg ,GermanyCHENChen Jia(陈辰嘉 ) ,Beijing ,ChinaDOUXiao Ming(窦晓鸣 ) ,Shanghai,... 相似文献
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1 IntroductionTheCDMAsystembasedontransmittingpar allelmulti carrierswasfirstproposedatPIMRC’93byN .Yee,A .Choulyandsoon[1 ] .Thisschemeap pliesOFDMtechniquetoCDMAsystems,whichef fectivelyutilizestheperformanceofanti fading ,an ti interferenceofOFDM ,andcombinest… 相似文献
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1 IntroductionFortheMC CDMAmobilecommunicationsys tembasedonorthogonalfrequencydivisionmulti plexing ,thesynchronizationofthecarrierfrequencyatthereceivermustbeperformedveryaccurately ,ortherewillbealossoforthogonalityamongthesymbolsandamongthesub channe… 相似文献
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TrafficSourceCharacterization:ConsideringRealDemandsofCommunicationAttemptsCaiBin;ZhengHuisongANDWangLiangyuan(Department,ofM... 相似文献
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N/A 《半导体光子学与技术》1998,4(1):36-39
SpatialLightModulatorwithBSOCrystalandItsApplicationinHolography①WANGWensheng(ChangchunColegeofOpticsandFineMechanics,Changch... 相似文献