›› 2017, Vol. 37 ›› Issue (4): 49-55.doi: 10.16708/j.cnki.1000-758X.2017.0063

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Investigationfortraitsofmultiplefeedsperbeamantenna

 CHEN  Xiu-Ji, WAN  Ji-Xiang*   

  1. ChinaAcademyofSpaceTechnology(Xi′an),Xi′an710100,China
  • Received:2016-12-15 Revised:2017-02-08 Online:2017-08-25 Published:2017-06-29

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