Optimization of Unequally Spaced Antenna Arrays Using Fuzzy Discrete Particle Swarm Algorithm

Optimization of Unequally Spaced Antenna Arrays Using Fuzzy Discrete Particle Swarm Algorithm
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利用模糊离散粒子群算法优化不等距天线阵列

DOI:
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发表时间:
2012
期刊:
电子科技大学学报
影响因子:
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通讯作者:
聂在平
聂在平
中科院分区:
其他
文献类型:
--
作者:
阳凯;赵志钦;聂在平

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为了获得阵列的低旁瓣,首先将模糊离散粒子群优化算法应用于薄化天线阵列的单元位置优化。与遗传算法等进化算法相比,该算法具有参数少、易于实现等优点。为了避免算法陷入局部最优,在优化过程中引入了混沌动态过程。在主瓣宽度的约束中采用了惩罚方法。线性阵列的仿真结果表明,该算法能较好地处理离散问题。
Aiming to obtain a low sidelobe of an array,fuzzy discrete particle swarm optimization(FDPSO) algorithm is firstly applied in the optimization of the element positions of thinned antenna arrays.Compared with some evolutionary algorithms such as genetic algorithm,the FDPSO has the advantages of less parameters and easier to be implemented.In order to avoid the algorithm being trapped into local optimum,a chaotic dynamic procedure is introduced in the optimization.A penalty approach is used in the constraint of the width of mainlobe.Simulation results of a linear array show that the algorithm can handle discrete problem properly.
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影响因子: --
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