| 摘要: |
| 根据圆极化和双频天线的设计原理，总结了双频圆极化天线的设计方法,通过不同馈电方式和谐振方式分为四类进行阐述。归纳了近几年拓展双频圆极化天线带宽的方法，从结构上分别按照微带缝隙天线、平面单极子天线和阵列天线进行介绍。列表分析了各种设计方法的实现难度和典型天线各项性能参数，最后简述了适用于双频圆极化天线小型化的优化方案，并对未来发展趋势进行了展望。 |
| 关键词: 双频圆极化天线 微带缝隙天线 平面单极天线 阵列天线 |
| DOI： |
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| 基金项目:国家自然科学基金资助项目(61771490)；陕西省自然科学基金资助项目(2018JM6055)；武警工程大学基础基金项目（WJY201606）；科研团队项目（KYTD201803） |
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| Summarization of Design Methods for Dual-band Circularly Polarized Antenna |
| TANG Lanling,ZHU Yongzhong,DONG Lin,XIE Wenxuan |
| (School of Information Engineering,Engineering University of PAP,Xi′an 710086,China) |
| Abstract: |
| According to the principle of circular polarization antenna and dual-band antenna,this paper summarizes the design methods of dual-band circularly polarized antenna and classifies the antenna to four types according to different feeding and resonance modes.At the same time,it overviews the methods of expanding the bandwidth of dual-frequency circularly polarized antenna in recent years,including microstrip slot antenna,planar monopole antenna and array antenna.It analyzes the difficulties of various methods and the performance parameters of typical antenna with listing table,and describes the miniaturization method for dual-band circularly polarized antenna.Finally,it gives prospects for the development trend of dual-frequency broadband circularly polarized antenna. |
| Key words: dual-band circularly polarized antenna microstrip slot antenna planar monopole antenna array antenna |
《电讯技术》编辑部 