Design Methodology for Phased Subarray Antennas with Optimized Element Phase Control

被引：0
|
作者：
Lee, Won-Seok [1 ]
Khang, Seung-Tae [1 ]
Oh, Kyoung-Sub [1 ]
Yu, Jong-Won [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Elect Engn, Taejon 305701, South Korea
来源：
2013 10TH EUROPEAN RADAR CONFERENCE (EURAD) | 2013年
关键词：
Antenna arrays; grating lobes; phased arrays; subarray antennas; ARRAY;
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 simple yet practical method of grating lobe suppression for phase steered subarray antennas is proposed. In case of more than a certain steering angle, typical subarray configurations generate undesirable grating lobes in the array pattern. Placing additional phase delay at one of antenna elements in subarrays creates distortions in an array pattern of subarrays and shifted nulls in the array pattern cancel corresponding grating lobes that appear at the full array level. The concept introduced in this paper can be used for the increase in scan range of the subarray antenna system.
引用
收藏
页码：347 / 350
页数：4
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