太赫兹科学与电子信息学报, 2019, 17 (4): 671, 网络出版: 2020-01-09  

一种基于遗传算法的不等间距二维非周期阵面

A genetic algorithm based unequal spacing 2D aperiodic array design
作者单位
西北核技术研究院强电磁物理研究所, 陕西 西安 710024
摘要
目前大规模地基固态相控阵由于成本原因, 普遍采用大单元间距以减少通道数。在这种间距下, 可视空间会出现栅瓣效应, 天线性能恶化, 雷达扫描范围受限。对阵面设计方法进行研究, 提出一种不等间距阵面优化方法。仿真结果表明, 在 λ×λ单元口径下, 实现 ±20°的扫描角度内栅瓣低于 -20 dB; 由于阵面口径增大, 阵面方向性增强, 单元数减少 18%。
Abstract
Large spacing is widely used in building large scale ground based solid state phased array due to the cost. Grating lobe will appear under this large spacing, which leads to performance deterioration. The sweep angle can be broadened by using the thinning method. In this paper, the array design methods are studied, and an unequal spacing optimization method is presented. An array with grating lobe lower than -20 dB is implemented in ±20° sweep angle by using λ×λ element. The number of units is reduced by 18% due to the enlarged aperture.
参考文献

[1] 汪茂光,李周淼,吴黎明.阵列天线分析与综合[M].成都:电子科技大学出版社, 1999. (WANG Maoguang,LI Zhoumiao,WU Liming. Array antenna analysis and synthesis[M]. Chengdu,China:University of Electronic Science and Technology Press, 1999.)

[2] ISHIMARU A,CHEN Y-S. Thinning and broadbanding antenna arrays by unequal spacings[J]. IEEE Transactions on Antennas and Propagation, 1965,13(1):34-42.

[3] HARRINGTON R F. Sidelobe reduction by nonuniform element spacing[J]. IRE Transactions on Antennas and Propagation, 1961,9(2):187-192.

[4] KUMAR B P,BRANNER G R. Design of unequally spaced arrays for performance improvement[J]. IEEE Transactions on Antennas and Propagation, 1999,47(3):511-523.

[5] TOYAMA N. Aperiodic array consisting of subarrays for use in small mobile earth stations[J]. IEEE Transactions on Antennas and Propagation, 2005,53(6):2004-2010.

[6] 陈客松,何子述,韩春林.非均匀线天线阵优化布阵研究[J].电子学报, 2006,34(12):2263-2269. (CHEN Kesong,HE Zishu, HAN Chunlin. Research on synthesis of the linear sparse arrays[J]. Acta Electronica Sinica, 2006,34(12):2263-2260.)

[7] 费阿莉,朱瑞平,刘明罡.非周期阵列形式研究[C]// 中国天线年会.成都:中国电子学会, 2009:714-717. (FEI Ali,ZHU Ruiping,LIU Minggang. Study of the forms of aperiodic array[C]// National Conference on Antenna. Chengdu,China:China Electronics Society, 2009:714-717.)

[8] 徐茜,宫海波.基于 Matlab的阵列天线数值分析[J].现代电子技术, 2013,36(13):84-89. (XU Qian,GONG Haibo. Matlab-based numerical analysis of array antenna[J]. Modern Electronics Technique, 2013,36(13):84-89.)

[9] 马云辉.阵列天线的遗传算法综合[J].电波科学学报, 2001,16(2):172-176. (MA Yunhui. Synthesis of the array antennas using genetic algorithm[J]. Chinese Journal of Radio Science, 2001,16(2):172-176.)

[10] 韩志甲,邓海峡,李晓平.基于遗传算法的排产优化方法[J].太赫兹科学与电子信息学报, 2014,12(4):595-599. (HAN Zhijia,DENG Haixia,LI Xiaoping. Scheduling optimization based on genetic algorithm[J]. Journal of Terahertz Science and Electronic Information Technology, 2014,12(4):595-599.)

[11] 张浩斌,杜建春,聂在平.稀疏阵列天线综合的遗传算法优化[J].微波学报, 2006,22(6):48-54. (ZHANG Haobin,DU Jianchun,NIE Zaiping. Thinned array synthesis using genetic algorithm[J]. Journal of Microwaves, 2006,22(6):48-54.)

[12] 逯志宇,王大鸣,王建辉,等.基于多种群并行遗传算法的融合定位[J]. 太赫兹科学与电子信息学报, 2016,14(2):195- 200. (LU Zhiyu,WANG Daming,WANG Jianhui,et al. Fusion location based on parallel genetic algorithm of multi-population[J]. Journal of Terahertz Science and Electronic Information Technology, 2016,14(2):195-200.)

[13] 王玲玲,方大纲. 运用遗传算法综合稀疏阵列[J]. 电子学报, 2003,31(12):2135-2138. (WANG Lingling,FANG Dagang. Genetic algorithm for the synthesis of thinned array[J]. Acta Electronica Sinica, 2003,31(12):2135-2138.)

[14] BIRD T S,GRANET C. Optimization of profiles of rectangular horns for high efficiency[J]. IEEE Transactions on Antennas and Propagation, 2007,55(9):2480-2488.

谢少毅, 李佳伟, 郭乐田, 邓广健, 巴涛, 姜悦, 邵浩. 一种基于遗传算法的不等间距二维非周期阵面[J]. 太赫兹科学与电子信息学报, 2019, 17(4): 671. XIE Shaoyi, LI Jiawei, GUO Letian, DENG Guangjian, BA Tao, JIANG Yue, SHAO Hao. A genetic algorithm based unequal spacing 2D aperiodic array design[J]. Journal of terahertz science and electronic information technology, 2019, 17(4): 671.

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