The Design of an Ultra-Wideband Circularly Polarized Antipodal Exponential Tapered Slot Antenna

被引：0
|
作者：
Zhang, Yanbo [1 ]
Liu, Jiashan [1 ]
Yang, Shengjie [1 ]
Liu, Yong [1 ]
Lv, Xin [1 ]
机构：
[1] Beijing Inst Technol, Beijing Key Lab Millimeter Wave & Terahertz Tech, Beijing 100081, 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/icmmt45702.2019.8992534
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：
Circular polarized(CP) antennas are widely utilized in various industries. It is found that antipodal tapered slot antenna(ATSA) demonstrates some extraordinary qualities in CP radiation. In this paper, the basic ATSA model has been established in HFSS simulation software. The shape of the slot curve is changed from linear to exponential, leading an impressively increase of the CP bandwidth. The qualified parameter of the antenna is obtained. To validate the accuracy, a prototype of the antenna is fabricated and measured. The measured results match well with the simulated results. Experimental results show that the proposed antenna can achieve a bandwidth of 56.8% (8.92-16 GHz) for both AR < 3 dB and VSWR < 2. The average gain is above 12.4 dB in all frequencies. The proposed antenna is easy to manufacture and is a suitable candidate for high performance CP antenna.
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页数：3
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