A double population genetic algorithm(DPGA) combined with finite-difference time-domain(FDTD) method is introduced to optimize the element spacing and lengths of Yagi-Uda antennas.

• 采用双种群遗传算法(DPGA)结合时域有限差分法(FDTD)优化八木天线的单元间距和长度,以实现更优方向图。