Abstract

ADBF相控阵雷达通常采用子阵结构。子阵结构对系统性能具有显著影响,对相控阵进行最优子阵划分具有重要的理论与应用意义。该文利用多目标进化算法(MOEA)进行子阵结构优化,使系统在主瓣干扰下具有尽可能好的抗干扰及和、差波束旁瓣抑制性能。将和波束自适应方向图的旁瓣电平、系统输出SINR及差波束的旁瓣电平作为优化目标,构造了5种目标函数。给出了MOEA子阵结构的编码方法。基于Pareto秩排序的MOEA将3032的平面阵划分为64个子阵的仿真结果表明,系统的多种性能得到了提高。

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