Thinned Array Inspired Quasi-Uniform Leaky-Wave Antenna With Low Side-Lobe Level

被引：26
|
作者：
Javanbakht, Nima [1 ]
Majedi, Mohammad Saeed [2 ]
Attari, Amir Reza [2 ]
机构：
[1] Ferdowsi Univ Mashhad, Comp & Commun Res Ctr, Mashhad 9177948974, Iran
[2] Ferdowsi Univ Mashhad, Dept Elect Engn, Mashhad 9177948974, Iran
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2017年 / 16卷
关键词：
Leaky-wave antenna; side-lobe level (SLL); slotted waveguide; thinned array;
D O I：
10.1109/LAWP.2017.2756990
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：
In this letter, a new quasi-uniform leaky-wave antenna is proposed. The structure of antenna is based on an airfilled rectangular waveguide in which the radiation occurs through transverse slots on the broad wall of the waveguide. This antenna is designed using a systematic method based on the thinned array theory in order to achieve a low side-lobe level (SLL). The designed antenna radiates at center frequency of 10 GHz at theta = 60 degrees with the SLL of about -20 dB. The proposed antenna scans a part of forward quadrant with low SLL and high gain over the frequency band of 9.8-10.2 GHz. Simulated and measurement results of the antenna are investigated; there is a good consistency between measurement and simulation results.
引用
收藏
页码：2992 / 2995
页数：4
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