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1、英文文献TheApplicationofonepointMultipleAccessSpreadSpectrumCommunicationSystemLiuJiangang,NanyangCity,HenanProvinceElectricPowerIndustryBureau【ABSTRACT】SpreadSpectrumDigitalMicrowavecommunicationasacommunication,becausetheirexcellentperformancehavebeenwid
2、elyused.ThearticleinNanyangCityPowerIndustryBureauonepointMultipleAccessSpreadSpectrumCommunicationSystemasanexample.briefedthespreadspectrumcommunications,thebasicconceptandcharacteristicsofthepowersystemcommunicationapplications.KEYWORDS：onepointmult
3、ipleaccess;Spread-spectrumcommunication;AttenuationNanyangCityintheoutskirtsofCentralcloth35to11kvsubstationfarmterminals,theiroperationmanagementrightsbelongtotheCouncilEast,RuralPowerCompanywest(theeasternsuburbofagriculturalmanagementcompanies--four
4、,thewesternsuburbsofRuralPowerCompanyManagement7),SchedulingofthevariousstationsofthemeansofcommunicationtotheoriginalM-150radioandtelephoneposts.2002Withthetransformationofruralnetwork,theremotestationequipmentintooperationandcommunicationchannelstopu
5、tahigherdemand.AsPUCDispatchCommunicationBuildingtotheeastandwestoffarmers--thedifferencebetweenacompanylinkedtofiber,Therefore,if11substationsandtheestablishmentofatransferLinkBuildinglinksPointmaybethedataandvoiceweresenttotworuralpowercompaniesdispa
6、tchroom,RuralNetworkschedulingfortheimplementationofautomationtocreatethenecessaryconditions.Giventhestatusandpowergridsubstationlevel,nature,takingintoaccountthecarrierandoptical-fibercommunicationstoconductmultipleforwarding,increasingtheinstabilityf
7、actor,consideringthecostandconditionsoftheurbanconstruction,Finallydecidedtoadoptwirelessspread-spectrumtechnologytoestablishthat11farmterminalsubstationcommunicationsystem.Thispaperdescribesthespreadspectrumtechnologyandthecurrentsystemofthebuilding.1
8、.Thebasicconceptofspread-spectrumcommunication.SpreadSpectrumCommunication'sbasiccharacteristics,isusedtotransmitinformationtothesignalbandwidth(W)isfargreaterthanthepracticalinformationrequiredminimum(effective)bandwidth(△F),astheratio
