第46卷第1期2023年2月电子器件ChineseJournalofElectronDevicesVol.46No.1Feb．2023收稿日期:2022－06－07修改日期:2022－07－12CharacteristicAnalysesoftheSpectraofFiberGratingsandAntennaPatternsofＲadarZHANGXuanyu1*，ZHUCongcong2，ZHOUChuanrui1(1．NanjingＲesearchInstituteofElectronicTechnology，NanjingJiangsu210039，China;2．TheFirstMilitaryＲepresentativeOfficeinNanjingoftheMilitaryＲepresentativeBureau，EquipmentDevelopmentDepartmentoftheCentralMilitaryCommission，NanjingJiangsu210007，China)Abstract:Fibergratingsplayimportantrolesinareaofradar，meanwhile，thereflectionspectraoffiberBragggratingsandtheantennapatternsofradaralsohavecertainsimilarities，suchas，theapodizationtothefibergratingsspectrumandtheweightingtotheantennapatternhavesimilareffects，botharetosuppressthesidelobesorminorlobesofthesignals．SimulationstothereflectionspectraofthefiberBragggratings，suchasuniformgratings，phase-shiftedgratings，apodizedgratingsandchirpedgratingsareconducted，basedonthecoupledmodetheory．Atthesametime，accordingtothestructuremodelsofabovegratings，themodelsoftheunidimensionalarrayradarareestablished，andanalysesandsimulationstotheantennapatternsofthecorrespondingarraysareconducted．Thesimulationsshowthatrelatedstructureshavetheeffectsofmodulationtothearraypattern，suchassuppressingtheminorlobes．Theresearchcontentscouldpromotetheachievementtransformationandtheinterdisciplinarydevelopmentinareasoffiberopticsandradar．Keywords:fiberBragggratings;arrayradar;reflectionspectrum;antennapatternEEACC:6135;6310doi:10．3969/j．issn．1005－9490．2023．01．015光纤光栅光谱与雷达方向图特性分析张轩宇1*，朱聪聪2，周传睿1(1．南京电子技术研究所，江苏南京210039;2．中央军委装备发展部军事代表局驻南京地区第一军事代表室，江苏南京210007)摘要:光纤光栅在雷达领域发挥着重要作用，与此同时光纤Bragg光栅的反射光谱和雷达方向图间也存在一定的相似性，如光栅的光谱切趾和雷达的方向图加权有类似的作用，都是为了抑制信号的旁瓣或者副瓣。基于耦合模理论对均匀光栅、相移光栅、切趾光栅、啁啾光栅等光纤Bragg光栅的反射光谱...
