TWO-DIMENSIONAL STANDING-WAVE MICROSTRIP ARRAY ANTENNA

被引：3
作者：
Lee, Choon Sae [1 ]
Brown, James E. [2 ]
Ezzat, Mohamed [1 ]
Jeong, Seongheon [1 ]
机构：
[1] Southern Methodist Univ, Dept Elect Engn, Dallas, TX 75275 USA
[2] Micro Syst Engn Inc, Lake Oswego, OR 97035 USA
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2017年 / 59卷 / 04期
关键词：
standing-wave antenna; antenna feed; microstrip array antenna; FEED NETWORK;
D O I：
10.1002/mop.30422
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：
The concept of standing-wave array antennas is presented. In this new array structure, a high-order standing wave is excited to produce a focused beam. To verify the concept in a simple manner, a five-patch microstrip array is considered. A cavity model is used to illustrate the principle of antenna operation. Measured radiation patterns and input impedances agree relatively well with the theoretical values to confirm the concept of a standing wave in the antenna cavity. The bandwidths of the array antenna are about the same as those of a comparable single-patch antenna. The impedance bandwidth of the array structure is 0.9% while the 3-dB gain bandwidth is 2.7%. The aperture efficiency is about 79% assuming the aperture area includes the ground plane. (C) 2017 Wiley Periodicals, Inc.
引用
收藏
页码：927 / 930
页数：4
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