A Short Channel Waveguide Stub-Loaded Leaky-Wave Antenna at Ku-Band

被引：0
|
作者：
Nagaraju, Dovari [1 ]
Mathew, Bivin G. [1 ]
Verma, Yogesh K. [1 ]
机构：
[1] DRDO, Res Ctr Imarat, Hyderabad, India
来源：
2021 15TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) | 2021年
关键词：
channel guide; leaky-wave antenna; long slot; traveling wave;
D O I：
暂无
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：
This paper presents a flush-mounted, short channel waveguide, stub-loaded, leaky-wave antenna at Ku-band. The antenna is designed with a slot length of 1.33 lambda at the design frequency. The antenna can be synthesized for a given beam tilt by controlling the width of the waveguide and for a given beamwidth by controlling the length and width of the slot. The radiation efficiency and cross-polarization levels of the antenna are 97 % and -48 dB respectively. A thin dielectric of RT5880, with 31 mils thickness is used as the radome. The antenna is fed by an E-plane waveguide to coaxial transition for realization and testing of the antenna. The comparisons of the simulation and measured results, dispersion characteristics of the antenna have been presented. The beam tilt of 30 deg., the gain of 8.1 dBi, the beamwidth of 42 deg. in the longitudinal direction, and 160 deg. in transverse direction have been presented.
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页数：5
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