A PSO-CVX Algorithm of Sum and Difference Beam Patterns for Time-Modulated Antenna Array

被引：1
|
作者：
Dong, Xikuan [1 ]
Li, Hailin [1 ]
Tan, Jing [1 ]
Hu, Jiawen [1 ]
Jiang, Yachao [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Elect & Informat Engn, Nanjing 210016, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION | 2021年 / 2021卷
基金：
中国国家自然科学基金;
关键词：
Linear programming - Antenna lobes - Particle swarm optimization (PSO);
D O I：
10.1155/2021/6692872
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：
An integrated optimization of sum and difference beam for time-modulated linear antenna array is studied in this paper. The goal of sum and difference beam synthesis is to generate sum beam in the main band and difference beams in the first-order sideband with low side-lobe level through timing switches. The turn-on times of antenna array are achieved by solving a quadratic constraint linear programming; meanwhile, the opening times are optimized by particle swarm optimization algorithm. The results of linear array show that the sum and difference beam can be scanned within +/- 40 degrees, with lower peak side-lobe level.
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页数：9
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