SWITCHED-BEAM ANTENNA ARRAY WITH BROADSIDE BEAM FED BY MODIFIED BUTLER MATRIX FOR RADAR RECEIVER APPLICATION

被引：11
|
作者：
Kaminski, Piotr [1 ]
Wincza, Krzysztof [1 ]
Gruszczynski, Slawomir [1 ]
机构：
[1] AGH Univ Sci & Technol, Fac Comp Sci Elect & Telecommun, PL-30059 Krakow, Poland
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2014年 / 56卷 / 03期
关键词：
DESIGN;
D O I：
10.1002/mop.28131
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 novel approach to the design of switched-beam antennas with broadside beam has been presented. The presented antenna utilizes a modified Butler matrix as a feeding network. The proposed feeding network consists of only two 3-dB/0/180 directional couplers, a 3-dB/90° directional coupler and a 180°phase shifter. Moreover, an innovative arrangement of the network has been proposed, which allows for avoiding any crossings in the network, and allows for achieving fully planar realization of a complete antenna. Measurement results of the designed three-beam antenna are shown, and also the application of the presented concept in a simple Doppler radar receiver is proposed, in which fixed phase shifters are eliminated. © 2014 Wiley Periodicals, Inc.
引用
收藏
页码：732 / 735
页数：4
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