面向多用户相控阵雷达通信的宽带波束赋形研究（英文）-豆柴文库

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面向多用户相控阵雷达通信的宽带波束赋形研究（英文）
ResearchonWidebandBeamformingforCommunicationswithMulti-UserPhasedArrayRadarSystems
Abstract:
Inrecentyears,theadventofmulti-userphasedarrayradarsystemshasrevolutionizedthefieldofradarcommunications.Thesesystemshavethecapabilitytosimultaneouslycommunicatewithmultipleusers,providinghighdataratesandincreasedcapacity.However,inordertoachieveefficientcommunication,theradarsystemmustemploywidebandbeamformingtechniques.Thispaperpresentsacomprehensivestudyonwidebandbeamformingforcommunicationswithmulti-userphasedarrayradarsystems.
1.Introduction:
Multi-userphasedarrayradarsystemshavegainedsignificantattentionduetotheirabilitytosimultaneouslycommunicatewithmultipleusers.Thisenablestheradarsystemtoprovidehighdataratesandimprovedcommunicationcapacity.However,inordertoachieveefficientcommunication,theradarsystemmustemploywidebandbeamformingtechniques.Thispaperaimstoinvestigatevariouswidebandbeamformingtechniquesformulti-userphasedarrayradarcommunications.
2.Background:
2.1PhasedArrayRadarSystems:
Phasedarrayradarsystemsconsistofmultipleantennaelementsthatcansteerthebeamelectronically.Thisallowstheradarsystemtoscanthebeamoveralargeareainashortperiodoftime.Theabilitytoelectronicallysteerthebeammakesphasedarrayradarsystemshighlyagileandadaptabletovariousscenarios.
2.2WidebandCommunications:
Widebandcommunicationsreferstothetransmissionandreceptionofsignalsoverawiderangeoffrequencies.Thisallowsforincreaseddataratesandimprovedcapacity.Widebandbeamformingtechniquesareessentialforefficientcommunicationinmulti-userphasedarrayradarsystems.
3.WidebandBeamformingTechniques:
3.1AdaptiveBeamforming:
Adaptivebeamformingtechniquesadjusttheweightsofeachantennaelementdynamicallytooptimizethebeampattern.Thisallowsforimprovedsignalqualityandinterferencerejection.
3.2Space-TimeBeamforming:
Space-timebeamformingcombinesthespatialandtemporaldimensionstoimprovethesignalqualityandinterferencerejection.Thistechniquetakesintoaccountthelocationoftheusersandtheirrelativemotionto