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文章设计了一款基于互补裂环谐振结构加载的新型双频小型化微带天线。天线的贴片刻蚀了传统的互补裂环谐振结构,同时为了保证结构的紧凑和沿带的反向电流,天线的接地板加载了新型的互补裂环谐振结构,该结构由两组搭载过孔的交叉带组成。在第一个工作频段内,天线相当于一个偶极子天线,其电尺寸比传统偶极子天线缩小60%。在第二个工作频段内,天线同样相当于一个偶极子天线,其电尺寸缩小54%。天线的设计和性能特征由高频电磁仿真软件所获得,同时由实验所验证。天线的测试和仿真结果具有很好的一致性。文中所设计的天线覆盖了部分2.11GHz~2.20GHz的全球移动通信系统频段以及部分2.40GHz~2.48GHz的低频无线局域网频段。
This paper designs a new dual-band miniaturized microstrip antenna based on the complementary split-ring resonant structure. At the same time, in order to ensure the compact structure and the reverse current along the strip, the antenna ground plate is loaded with a new type of complementary split-ring resonant structure, which consists of two sets of vias Cross with the composition. In the first operating band, the antenna is equivalent to a dipole antenna with a 60% smaller electrical dimension than a conventional dipole antenna. In the second operating band, the antenna also acts as a dipole antenna, reducing its electrical size by 54%. Design and performance characteristics of the antenna obtained by the high-frequency electromagnetic simulation software, verified by the experiment. The antenna test and simulation results have good consistency. The designed antenna covers part of 2.11GHz ~ 2.20GHz global mobile communication system frequency band and some 2.40GHz ~ 2.48GHz low frequency wireless LAN frequency band.