High-efficiency planar slot-array antenna with a single waveguide-fed cavity-backed subarray

被引：25
|
作者：
Lee, B
Jung, KJ
Yang, SH
机构：
[1] Kwangwoon Univ, RFIC Res & Educ Ctr, Seoul 139701, South Korea
[2] Kwangwoon Univ, Dept Elect Engn, Seoul 139701, South Korea
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2004年 / 43卷 / 03期
关键词：
cavity-backed antenna; slot antenna array; radiation efficiency;
D O I：
10.1002/mop.20426
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 cavity-backed slot antenna array using a single waveguide-fed subarray is proposed to reduce feed-line loss, increase radiation efficiency, and make the feed network simple. A subarray consists of 2 X 4 slot elements backed by a single cavity. By proper choice of dimensions, it is shown that the proposed antenna has the characteristics a high radiation efficiency and broad frequency bandwidth. The antenna characteristics for the array antenna with 256 elements are measured in the Ku-band. A single cavity-backed subarray has a gain of 18 dBi. The gain of the total antenna at-ray (256 elements) is more than 33 dBi. (C) 2004 Wiley Periodicals, Inc.
引用
收藏
页码：228 / 231
页数：4
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