Sub-array level structural compensation method for radiating and scattering performance of array antennas

被引：0
|
作者：
Wang, Yan [1 ]
Yan, Biaolin [1 ]
Yu, Rong [2 ]
Fan, Mengmeng [2 ]
Duan, Zhongxing [1 ]
Ma, Zongfa [1 ]
Fu, Hongping [3 ]
Wang, Zhihai [4 ]
Yu, Kunpeng [4 ]
Wu, Wenzhi [4 ]
Wang, Congsi [5 ]
机构：
[1] Xian Univ Architecture & Technol, Sch Informat & Control Engn, Xian, Peoples R China
[2] Xidian Univ, Sch Mechanoelect Engn, Xian, Peoples R China
[3] Zhejiang Fengfan CNC Machinery Co Ltd, Huzhou, Peoples R China
[4] CETC 38 Res Inst, Hefei, Peoples R China
[5] Xidian Univ, Guangzhou Inst Technol, Guangzhou, Peoples R China
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2023年 / 17卷 / 12期
基金：
中国国家自然科学基金;
关键词：
active antenna arrays; antenna arrays; antenna phased arrays; BAND; DESIGN;
D O I：
10.1049/mia2.12405
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 detection and stealth abilities of array antennas depend mainly on the antennas' radiating and scattering performance, respectively. However, the operating environmental loads and assembly lead to serious structural errors, including deformation and random errors, which affect both the radiating and scattering performance. As the demand to guarantee high performance in detection as well as in stealth, a new sub-array level structural compensation method is presented to simultaneously guarantee the radiating and scattering performance of array antennas in service. First, a statistical model of scattering performance with structural deformation and random position error is established to quickly evaluate the impact of a random structural error on scattering performance. Then, the effects of structural errors in different directions on radiating and scattering performance are analysed to determine the structural adjustment direction. Moreover, the multi-objective problem considering the comprehensive compensation of radiating and scattering performance is converted into a single-object problem by constructing a fitness function to realise the sub-array level structural compensation. Finally, a typical case is used to verify the effectiveness of the compensation method. The results show that the presented method can guarantee both the radiating and scattering performance effectively, providing advantageous guidance for structural design and performance compensation for array antennas. The detection and stealth abilities of array antennas depend mainly on the antennas' radiating and scattering performance, respectively. However, the operating environmental loads and assembly lead to serious structural errors, which affect both the radiating and scattering performance. Therefore, a new sub-array level structural compensation method is presented to simultaneously guarantee the radiating and scattering performance of array antennas in service.image
引用
收藏
页码：940 / 954
页数：15
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