Beam-Scanning Continuous Transverse Stub Antenna Fed by a Ridged Waveguide Slot Array

被引：41
作者：
Lu, Xianlong [1 ,2 ]
Gu, Shengming [3 ]
Wang, Xiaochuan [1 ,2 ]
Liu, Hao [3 ]
Lu, Wenzhong [1 ,2 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Peoples R China
[2] Minist Educ, Key Lab Funct Mat Elect Informat, Wuhan 430074, Peoples R China
[3] Beijing Res Inst Telemetry, Beijing 100076, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2017年 / 16卷
基金：
中国国家自然科学基金;
关键词：
Beamscanning; continuous transverse stub (CTS) array; parallel-plate waveguide (PPW); ridged waveguide slot array (RWSA); DESIGN;
D O I：
10.1109/LAWP.2017.2664880
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：
A continuous transverse stub (CTS) array antenna is presented for beam-scanning applications. Rotatable ridged wave-guide slot array (RWSA) is used as a line source to feed a CTS array for the first time. The proposed RWSA has easy design, compact structure, light weight, and easy sidelobe control. The CTS array and RWSA can be designed and optimized separately. A good beam-scanning capability of +/- 30 degrees is achieved by rotating the RWSA at almost the same angles, thus obtaining a fine beam-scanning resolution. The measured aperture efficiency exceeds 60% in the entire beam-scanning range. Therefore, the proposed antenna can be a good alternative for radar systems and satellite communication terminals, which require low cost and high gain.
引用
收藏
页码：1675 / 1678
页数：4
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