CAJ | 학술논문

针对共形球面天线阵列,采用有向天线阵元,在保持阵列孔径不变的条件下,以阵元分布位置作为优化变量,以降低最大相对旁瓣电平为优化目标,运用改进的遗传算法对阵列进行稀疏优化,仿真结果表明：该方法能够降低球形阵列的旁瓣电平,达到了减少阵元个数、降低天线系统成本的目的。
침대공형구면천선진렬,채용유향천선진원,재보지진렬공경불변적조건하,이진원분포위치작위우화변량,이강저최대상대방판전평위우화목표,운용개진적유전산법대진렬진행희소우화,방진결과표명：해방법능구강저구형진렬적방판전평,체도료감소진원개수、강저천선계통성본적목적。
Improved genetic algorithm is adopted to thin spherical antenna array with directional elements under the condition of keeping array aperture.It takes elements distribution as optimized parameters,and reduces the maximum relative sidelobe level（MSLL）as an optimization objective.Simulation results show that this method can effectively reduce sidelobe level of spherical array and achieve the goal of reducing the number of elements and cutting the cost of antenna system.