基于遗传算法的圆形天线阵波束成形算法  

Genetic Algorithm Assisted Beamforming Algorithm for Circular Antenna Array

作　　者：李雷[1] 朱柏承[1] 周乐柱[1] 龚中麟[1] 

机构地区：[1]北京大学电子工程研究所,北京100871

出　　处：《电讯技术》2005年第4期97-102,共6页Telecommunication Engineering

摘　　要：将基于GA(遗传算法)的波束成形算法应用于二维圆形天线阵,研究了算法在解决抑制多个窄角度强干扰问题时的性能;同时提出了一种改进的二进制编码方法,该方法引入了若干参数用以方便地控制解的精度和搜索空间。仿真结果表明,算法可以使得天线阵在主波束对准有用信号的同时,有效地抑制多个强干扰。文中建立的模型适用于卫星通信抗空间恶意干扰问题。A genetic algorithm （GA） assisted beamforming algorithm is applied to a 2 -dimensional circular antenna array, and its performance of pattern nulling is studied. An improved binary code method is also proposed, which introduces several parameters to conveniently control the solution precision and search space. The simulation results show that the algorithm can make the antenna array track the signal and efficiently suppress several strong interferences at the same time. The model introduced in this paper is applicable to the problem of anti -jamming in satellite communications.

关 键 词：卫星通信 抗干扰 遗传算法 波束成形 圆形天线阵 

分 类 号：TN82[电子电信—信息与通信工程]