关键词: 波束形成网络, 波束优化, 通信卫星, 多波束天线, 每束多馈源

Abstract: Asaconfigurationthemultiplefeedsperbeamcaneffectivelyreducethenumberof  aperturesinmultiplecolorreusecondition.Becausethisconfigurationisresearchedintheprimarystageathomeandabroad,thetraitsofantennausingthiskindof   configurationneedtoberesearchedurgently.Thedesignrequirementsanddifferencesofthiskindofantennarelativetothesingle  feedperbeamantennawereresearched.Thenotionofthemaxinterferenceofneighborcocolorbeamswaspresentedasa  keypoint.Andinordertoensuretherealizabilityoffeednetworksintheory,adesigncombiningthefeednetworkswiththebeamoptimizationwaspresentedforthefirsttime.Finally,twopointsofideasforfurtherimprovementofbeams′propertiesweregiven,alongwithanalysisofthefeasibilityofthem.

Key words: beamformingnetworks, beamoptimization, communicationsatellites, multiplebeamantennas, multiplefeedsperbeam