Pattern Symmetry of Planar Spiral Antenna and Improvement

被引：0
|
作者：
Huang, Jing Jian [1 ]
Chen, Xi [1 ]
Wang, Chao [1 ]
Yuan, Nai Chang [1 ]
机构：
[1] Natl Univ Def Technol, State Key Lab Complex Electromagnet Environm Effe, Changsha 410073, Peoples R China
来源：
2019 INTERNATIONAL CONFERENCE ON MICROWAVE AND MILLIMETER WAVE TECHNOLOGY (ICMMT 2019) | 2019年
关键词：
D O I：
10.1109/icmmt45702.2019.8992338
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We analyze the far-field pattern symmetry of the planar spiral antenna backed by a ground plane. And a method to improve the pattern symmetry is proposed. By reducing the back radiation of the higher frequency band, an improved spiral antenna configuration is presented. This configuration replaces the center section of the planar spiral with a conical spiral. The broadside gain, axial ratio and pattern symmetry are compared. The results show that this novel configuration can achieve better far-field symmetry at a wider band.
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页数：3
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