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1、英文文献TheApplicationofonepointMultipleAccessSpreadSpectrumCommunicationSystemLiuJiangang,NanyangCity,HenanProvinceElectricPowerIndustryBureau【ABSTRACT】SpreadSpectrumDigitalMicrowavecommunicationasacommunication,becausetheirexcellentperformancehavebeenwidelyused.Theartic
2、leinNanyangCityPowerIndustryBureauonepointMultipleAccessSpreadSpectrumCommunicationSystemasanexample.briefedthespreadspectrumcommunications,thebasicconceptandcharacteristicsofthepowersystemcommunicationapplications.KEYWORDS:onepointmultipleaccess;Spread-spectrumcommun
3、ication;AttenuationNanyangCityintheoutskirtsofCentralcloth35to11kvsubstationfarmterminals,theiroperationmanagementrightsbelongtotheCouncilEast,RuralPowerCompanywest(theeasternsuburbofagriculturalmanagementcompanies--four,thewesternsuburbsofRuralPowerCompanyManagement7
4、),SchedulingofthevariousstationsofthemeansofcommunicationtotheoriginalM-150radioandtelephoneposts.2002Withthetransformationofruralnetwork,theremotestationequipmentintooperationandcommunicationchannelstoputahigherdemand.AsPUCDispatchCommunicationBuildingtotheeastandwes
5、toffarmers--thedifferencebetweenacompanylinkedtofiber,Therefore,if11substationsandtheestablishmentofatransferLinkBuildinglinksPointmaybethedataandvoiceweresenttotworuralpowercompaniesdispatchroom,RuralNetworkschedulingfortheimplementationofautomationtocreatethenecessa
6、ryconditions.Giventhestatusandpowergridsubstationlevel,nature,takingintoaccountthecarrierandoptical-fibercommunicationstoconductmultipleforwarding,increasingtheinstabilityfactor,consideringthecostandconditionsoftheurbanconstruction,Finallydecidedtoadoptwirelessspread-
7、spectrumtechnologytoestablishthat11farmterminalsubstationcommunicationsystem.Thispaperdescribesthespreadspectrumtechnologyandthecurrentsystemofthebuilding.1.Thebasicconceptofspread-spectrumcommunication.SpreadSpectrumCommunication'sbasiccharacteristics,isusedtotransmi
8、tinformationtothesignalbandwidth(W)isfargreaterthanthepracticalinformationrequiredminimum(effective)bandwidth(△F),astheratio