A Novel Ultra-Wideband Wide-angle Scanning Sparse Array Antenna using Genetic Algorithm

被引：1
|
作者：
Jiang, Z. N. [1 ,2 ]
Zheng, Y. [1 ]
Xuan, X. F. [1 ]
Nie, N. Y. [1 ]
机构：
[1] Hefei Univ Technol, Sch Elect Sci & Appl Phys, Hefei 230009, Peoples R China
[2] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Jiangsu, Peoples R China
来源：
APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL | 2023年 / 38卷 / 02期
基金：
安徽省自然科学基金;
关键词：
genetic algorithm (GA); linearly polar-ized; sparse array; ultra-wideband; wide-angle scanning; DESIGN;
D O I：
10.13052/2023.ACES.J.380204
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 single-element antenna is usually unable to meet the communication requirements of the wire-less system and the main solution is to use an array antenna. The desire to reduce the weight and cost of the array antenna gave rise to the sparse array. A lin-early polarized sparse array antenna with ultra-wideband wide-angle scanning characteristics based on a genetic algorithm (GA) is developed in this paper. The antenna array consists of 40 units, which are arranged by a rectangular array with a side length of 300 mm. Com-pared to the conventional periodic array, the proposed sparse array has reduced about 190 antenna elements. The sparse array can achieve S11 < -10 dB in the ultra-wideband of 2.7-12 GHz (120%). Experimental results for the proposed antenna exhibit an azimuth scanning angle of & PLUSMN;45 & DEG;, and a pitching scanning angle of & PLUSMN;30 & DEG;.
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页码：100 / 108
页数：9
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