摘要
针对WIFI通信频段,构建并研究了一种平板结构的小尺寸增益天线,借助HFSS仿真技术,讨论了天线的定向辐射特性和阻抗匹配特性随着平面尺寸以及板间距离变化的关系。该天线工作在频率为2.4 GHz附近区域,谐振点回波损耗小于-25 d B,辐射功率前后比达到5 d B,具有较强的定向辐射能力。通过构建天线实验模型并进行测试,较好地验证了理论与实验的一致性。
A small-size gain antenna model with planar structure is built and studied for WIFI communication. The directional radiation and impedance matching characteristics of antenna with the change of the plane size and the distance between the plates are analyzed in detail by means of HFSS simulation technology.The operating frequency of antenna is about 2.4 GHz and the return loss at resonance point is less than -25dB.The front to back ratio of radiated power is around 5dB,with a relatively strong directional radiation. The experimental model of antenna is constructed and measured.It is shown that the experimental results are consistent with the simulation.Since the antenna has such advantages as simple structure,easy adjustment and low cost,the antenna has a good engineering appli- cation.
出处
《无线电通信技术》
2015年第2期45-46,63,共3页
Radio Communications Technology
基金
江苏省实践创新训练计划项目(201411276018Z)
