A two-beam waveguide slot array with sidelobe suppression

被引：0
|
作者：
Kimura, Y [1 ]
Shinoda, H [1 ]
Watanabe, K [1 ]
Hirokawa, J [1 ]
Ando, M [1 ]
机构：
[1] Tokyo Inst Technol, Dept Elect & Elect Engn, Tokyo 1528552, Japan
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2001年 / E84B卷 / 04期
关键词：
slot; waveguide; sidelobe; multi-beam;
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：
A low sidelobe two-beam waveguide slot array is designed and measured. The antenna structure should be symmetrical for realizing two symmetrical beams which imposes restriction in slot design for the sidelobe and the gain. The slot coupling distribution is optimized numerically for side-lobe suppression under the condition of the structural symmetry. The first side-lobe level is minimized for the specific antenna efficiency in the continuous source model. This synthesis is reinforced by the full wave slot analysis using the method of moments. The design is confirmed by experiments using a one-dimensional array at 12 GHz and the good agreements between the predictions: and the measurements are observed.
引用
收藏
页码：1070 / 1078
页数：9
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