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1、英文文献TheApplicationofonepointMultipleAccessSpreadSpectrumCommunicationSystemLiuJiangang,NanyangCity,HenanProvinceElectricPowerIndustryBureau【ABSTRACT】SpreadSpectrumDigitalMicrowavecommunicationasacommunication,becausetheirexcellentperformancehavebeenwidelyused.ThearticleinNanyangCityP
2、owerIndustryBureauonepointMultipleAccessSpreadSpectrumCommunicationSystemasanexample.briefedthespreadspectrumcommunications,thebasicconceptandcharacteristicsofthepowersystemcommunicationapplications.KEYWORDS：onepointmultipleaccess;Spread-spectrumcommunication;AttenuationNanyangCityin
3、theoutskirtsofCentralcloth35to11kvsubstationfarmterminals,theiroperationmanagementrightsbelongtotheCouncilEast,RuralPowerCompanywest(theeasternsuburbofagriculturalmanagementcompanies--four,thewesternsuburbsofRuralPowerCompanyManagement7),Schedulingofthevariousstationsofthemeansofcomm
4、unicationtotheoriginalM-150radioandtelephoneposts.2002Withthetransformationofruralnetwork,theremotestationequipmentintooperationandcommunicationchannelstoputahigherdemand.AsPUCDispatchCommunicationBuildingtotheeastandwestoffarmers--thedifferencebetweenacompanylinkedtofiber,Therefore,
5、if11substationsandtheestablishmentofatransferLinkBuildinglinksPointmaybethedataandvoiceweresenttotworuralpowercompaniesdispatchroom,RuralNetworkschedulingfortheimplementationofautomationtocreatethenecessaryconditions.Giventhestatusandpowergridsubstationlevel,nature,takingintoaccountt
6、hecarrierandoptical-fibercommunicationstoconductmultipleforwarding,increasingtheinstabilityfactor,consideringthecostandconditionsoftheurbanconstruction,Finallydecidedtoadoptwirelessspread-spectrumtechnologytoestablishthat11farmterminalsubstationcommunicationsystem.Thispaperdescribest
7、hespreadspectrumtechnologyandthecurrentsystemofthebuilding.1.Thebasicconceptofspread-spectrumcommunication.SpreadSpectrumCommunication'sbasiccharacteristics,isusedtotransmitinformationtothesignalbandwidth(W)isfargreaterthanthepracticalinformationrequiredminimum(effective)bandwidth(△F
8、),astheratio
