一种行-列分离控制的可重构传输阵列设计

田修稳; 宋立众

doi:10.11999/JEIT211057

一种行-列分离控制的可重构传输阵列设计

doi: 10.11999/JEIT211057

田修稳¹,
宋立众^2, ,

1.
哈尔滨工业大学电子与信息工程学院哈尔滨 150001
2.
哈尔滨工业大学（威海）信息科学与工程学院威海 264209

基金项目: 国家自然科学基金(61971157)，国防科技重点实验室基金(6142401200401)，航空科学基金(201901077005)，民用航天技术预先研究项目(D040301)

详细信息

作者简介:
田修稳：男，博士生，研究方向为可重构传输/反射阵列、低成本相控阵天线

宋立众：男，博士，教授，研究方向为天线技术、极化雷达技术、电子对抗、微波电路与器件

通讯作者:
宋立众　songlz@hit.edu.cn

中图分类号: TN82
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- 被引次数: 0
出版历程
- 收稿日期: 2021-09-29
- 修回日期: 2022-01-15
- 录用日期: 2022-01-20
- 网络出版日期: 2022-02-03
- 刊出日期: 2022-12-10

A Reconfgurable Transmitarray Based on Row-column Beamsteering Method

TIAN Xiuwen¹,
SONG Lizhong^{2
, ,}

1.
School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin 150001, China
2.
The College of Information Science and Engineering, Harbin Institute of Technology at Weihai, Weihai 264209, China

Funds: The National Natural Science Foundation of China (61971157), The Foundation of the Key Laboratory of Science and Technology for National Defense (6142401200401), The Science Foundation of Aeronautics of China (201901077005), The Research Project on Civil Aerospace Technology in Advance(D040301)

摘要

摘要: 为了简化可重构传输阵列(RTA)的控制电路，该文提出一种行-列分离控制的可重构传输阵列。该传输阵列由双层频率选择表面(FSS)组成。将变容二极管加载到FSS单元中，采用一种行-列分离的波束控制方法来调控RTA单元两侧直流电压(DC)，每一条线路能够控制每一行或每一列单元。由于RTA单元调控相位能力有限，该文采用了一种相位修正的方法来减少RTA单元的相位误差。仿真结果表明：在方向图E面上，伴随着–1.7 dB增益波动，该RTA的最大扫描波束角度为39°，同时，在方向图H面上，伴随着–3 dB增益波动，该RTA的最大扫描波束角度达到了33°。所设计的RTA具有简单的控制电路和低成本等优点，可以应用于雷达系统和现代通信系统中。
- 可重构传输阵列 /
- 频率选择表面 /
- 行-列分离控制 /
- 低成本
Abstract: In this paper, to simplify the control circuit of the Reconfigurable TransmitArray(RTA), a RTA based on row-column beamsteering method is proposed, which is composed of a double-layer Frequency Selective Surfaces(FSS). By tunning a capacitance value of the varactor intergrated in the frequency selective surface element, the RTA element can tune the transmission phase. At the same time, a row-column beamsteering method is used to tune a Direction Current (DC) bias voltage between the ports of the varactor, while a line can tune the DC bias voltage at each row elements or each column elements of the RTA. Due to the limited phase range of the RTA element, a phase-correction method is also utilized to reduce the elements phase error during 2-D beamscanning. The scanned beam results show that the scanned beam angle can reach 39° with –1.7 dB gain loss in E-plane and can reach 33° with –3 dB gain loss in H-plane. The RTA has the advantages of simple 2-D beam-steering circuit and low cost, the proposed RTA has great potential for radar system and modern communication system application.
- Reconfgurable TransmitArray(RTA) /
- Frequency Selective Surface (FSS) /
- Row-cloumn beamsteering /
- Low cost

HTML全文

图 1 RTA单元结构和等效电路示意图

下载: 全尺寸图片幻灯片

图 2 RTA单元传输幅度与传输相位

下载: 全尺寸图片幻灯片

图 3 在不同入射角度上RTA单元传输特性

下载: 全尺寸图片幻灯片

图 4 RTA波束控制原理示意图

下载: 全尺寸图片幻灯片

图 5 RTA结构与控制电路示意图

下载: 全尺寸图片幻灯片

图 6 RTA和喇叭天线结构

下载: 全尺寸图片幻灯片

图 7 RTA扫描波束结果

下载: 全尺寸图片幻灯片

表 1 10.4 GHz 处RTA扫描波束性能

$ \theta $(E面)	Gain(dB)	SLL(dB)	$ \theta $(H面)	Gain(dB)	SLL(dB)
1°	17.6	–10.7	0°	17.8	–11.3
16°	16.9	–9.3	14°	17.3	–9.0
29°	16.2	–5.7	28°	16.7	–7.3
39°	15.9	–5.4	33°	14.8	–4.9

下载: 导出CSV

表 2 与相关文献对比

文献	阵列厚度(mm)	波束扫描维度	控制线路方式	波束扫描角度范围(°)
文献[14]	72	1	行控制	±30
文献[15]	7.1	2	单元独立控制	±45
文献[18]	3.24	2	单元独立控制	±50
文献[20]	3	1	行控制	±45
本文	7.036	2	行和列分别控制	±39, ±33

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