米波超短间距八木天线设计与实现  

Theory and Realization of Closely Spaced Yagi Antenna for Meter Waves

作　　者：梅涛[1] 袁斌[1] 余容[1] 钮佳隽[1] 

机构地区：[1]上海交通大学电子工程系,上海200240

出　　处：《电视技术》2007年第11期17-18,21,共3页Video Engineering

摘　　要：在密距天线原理、折合振子技术和遗传算法电磁领域的应用研究基础上,利用遗传算法对融合了折合振子与八木天线技术的新型八木天线结构——双折合八木天线进行了多目标优化,找到了一条切实可行的八木天线小型化途径。理论和仿真证明,4单元双折合八木天线单元间距和振子长度都得到了有效减小,同时超短间距天线普遍存在的失配和效率问题得到了解决,获得了较为理想的增益和输入阻抗。In this paper,the theory and realization method Based on the theory mentioned,a closely spaced, two-folded ing its input impedance in a physically compact size. Genetic spacing between folded arms of Yagi antenna. The simulation Yagi antenna. about closely spaced Yagi antenna for meter waves are discussed. Yagi antenna design is proposed for achieving high gain and match- algorithms are used to optimize the lengths,the element spacing and result proves the possibility of realizing a closely spaced and folded

关 键 词：密距天线 折台振子 八木天线 遗传算法 

分 类 号：TN823.17[电子电信—信息与通信工程]