基于遗传算法的超宽带微带天线优化设计

Design and optimization of UWB antenna based on genetic algorithm

摘要: 将遗传算法应用于超宽带微带天线设计。建立了基于遗传算法和高频电磁仿真软件（HFSS）的优化工程。在此基础之上，优化设计出了一款超宽带微带天线。讨论了该优化工程的操作流程，并对天线特性进行了研究。研究结果表明：所设计天线在3.1~10.6 GHz频段内的回波损耗小于-10 dB，具有良好的超宽频带特性。

Abstract: In this paper,the use of genetic algorithm for ultra wideband(UWB) antenna design applications is explored.A new optimizing project based on the combination of genetic algorithm(GA) with high frequency structure simulator(HFSS) is presented to facilitate the antenna design, and its operations are discussed.A novel UWB antenna, which covers the frequency band from 3 GHz to 11 GHz is proposed with 10 dB return loss good UWB characteristics.