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基于子阵列的低轨星载多波束相控阵天线的设计与实现 被引量：4

The Design and Implementation of Sub-arrayed Phased Array Antenna for LEO Satellite
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摘要 该文针对采用CDMA通信体制的低轨通信卫星,设计了具有"等通量"覆盖的平面阵列多波束天线,克服了卫星波束大角度扫描带来的"边缘问题"和"远近效应"。采用遗传算法对正六边形天线阵列进行综合,结合"子阵"分割理论,在波束空间和阵元空间进行子阵分割,简化了波束赋形的参量数目,同时还提出了一种波束成形网络复用结构,节省了2/3的资源。最后研制了16波束相控阵发射天线,其平面近场测试结果表明天线各指标都符合设计要求,有效验证了算法的正确性。 This paper presents a practical scheme of equal flux beams coverage and frequency multiplex according to CDMA standard utilized by LEO satellites,which can reduce the effect of ＂corner problem＂ and ＂near and far problem＂.Genetic algorithm is adopted to realize the synthesis of hexagonal antenna,based on ＂sub-array＂ theory.The partition of sub-array in beam-space or element-space can reduce the number of beam-forming coefficients.A multiplex structure for beam-forming network is proposed,which can reduce the resource consumption by 67%.Ultimately a phased array antenna（TX） is designed.The experiment result demonstrates that all the parameters of phased array antenna are consistent with the target of design,which validates the rationality and feasibility of genetic algorithm.
作者 梁广 龚文斌 余金培
机构地区 上海微小卫星工程中心 中科院上海微系统与信息技术研究所
出处 《电子与信息学报》 EI CSCD 北大核心 2010年第6期1435-1440,共6页 Journal of Electronics & Information Technology
基金 上海市科委重大科技攻关项目(03DZ15009) 上海市自然科学基金(09ZR1430400)资助课题
关键词 相控阵天线 数字波束形成 遗传算法 Phased array antenna Digital Beam Forming（DBF） Genetic algorithm
分类号 TN927 [电子电信—通信与信息系统] TN821.8 [电子电信—信息与通信工程]
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参考文献10

  • 1Rappaport T S.Wireless Communications Principles and Practice[M].Second Edition.New Jersey:Prentice Hall.Inc,2004:107-110.
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二级参考文献13

  • 1KHZMALYAN A D. The phase-only shaping and adaptive nulling of an amplitude pattern[J]. IEEE Transactions on Antennas and Propagation, 2003, 51(2): 264-272.
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  • 10BOERINGER D W, WERNER D H, MACHUGAACHUGA D W. A simultaneous parameter adaptation scheme for genetic algorithms with application to phased array synthesis[J]. IEEE Transactions on Antennas And Propagation, 2005, 53(1):356-371.

共引文献5

同被引文献33

引证文献4

二级引证文献35

电子与信息学报
2010年 第6期

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