SUN Hao-ran,DAI Xiao-jun,TANG Tao,et al.Design of Broadband Circularly Polarized Antenna for S-band Application[J].Journal of Chengdu University of Information Technology,2018,(01):50-53.[doi:10.16836/j.cnki.jcuit.2018.01.010]
一种工作于S波段的圆极化微带天线设计
- Title:
- Design of Broadband Circularly Polarized Antenna for S-band Application
- 文章编号:
- 2096-1618(2018)01-0050-04
- Keywords:
- S-band; bandwidth; circular polarization; microstrip antenna
- 分类号:
- TN926
- 文献标志码:
- A
- 摘要:
- 提出了一种S波段宽带圆极化微带天线。该天线采用在圆形辐射贴片的对角增加一对1/4圆形结构,实现圆极化辐射的要求。通过对矩形微带馈线进行尺寸调整进一步改善了天线的轴比带宽。测试结果表明该天线在实现宽带工作的同时具有良好的圆极化特性,同时满足反射系数S11≤-10 dB的轴比带宽达到了36.9%。该天线适用于S波段的圆极化应用。
- Abstract:
- A novel broadband circularly polarized(CP)antenna operating in the S-band is proposed in this paper. To achieve circular polarization radiation requirements, a pair of circular metal structures are etched in the diagonal of the circular radiation patch. The axial-ratio bandwidth of the antenna could be improved effectively by adjusting the dimensions of microstrip feeder structure. The simulated and measured results indicate the antenna has good circular polarization characteristics within a broadband range, and the3 dB axial-ratio bandwidth can reach 35.9%.The proposed antenna is suitable for circular polarization applications in S band.
参考文献/References:
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备注/Memo
收稿日期:2017-10-10 基金项目:四川省教育厅基金资助项目(15ZA0180); 四川省科技厅资助项目(2017GZ0300; 2017GZ0432)