Monopulse transmitarray antenna fed by aperture-coupled microstrip structure

Na KOU; Shixing YU; Zhao DING; Zhengping ZHANG

doi:10.1631/FITEE.2000547

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Monopulse transmitarray antenna fed by aperture-coupled microstrip structure

Regular Papers | Updated：2022-05-30

- Monopulse transmitarray antenna fed by aperture-coupled microstrip structure
  Enhanced Publication
- 基于孔径耦合微带结构馈电的单脉冲透射阵天线
- Frontiers of Information Technology & Electronic Engineering Vol. 23, Issue 3, Pages: 502-510(2022)
- Affiliations：
  
  1.College of Big Data and Information Engineering, Guizhou University, Guiyang550025, China
  2.Key Laboratory of Micro-Nano-Electronics and Software Technology of Guizhou Province, Guiyang550025, China
  3.Engineering Research Center of Power Semiconductor Device Reliability of the Ministry of Education, Guiyang550025, China
- Author bio：
  
  E-mail: nkou@gzu.edu.cn;
  ‡Corresponding authors
  E-mail: zding@gzu.edu.cn;
  E-mail: zpzhang@gzu.edu.cn
- Funds：
- DOI：10.1631/FITEE.2000547
  CLC：
- Published：2022-03，
  
  Received：14 October 2020，
  
  Revised：26 May 2021，
- Accepted：
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NA KOU, SHIXING YU, ZHAO DING, et al. Monopulse transmitarray antenna fed by aperture-coupled microstrip structure. [J]. Frontiers of information technology & electronic engineering, 2022, 23(3): 502-510.
DOI：

NA KOU, SHIXING YU, ZHAO DING, et al. Monopulse transmitarray antenna fed by aperture-coupled microstrip structure. [J]. Frontiers of information technology & electronic engineering, 2022, 23(3): 502-510. DOI： 10.1631/FITEE.2000547.

摘要

设计、加工、并测试了一款X波段单脉冲透射阵天线，该天线由平面透射阵和馈源天线组成，其中馈源天线集成了基于孔径耦合的微带结构以及和差网络。仿真和测试结果表明，所提单脉冲天线具有21.5 dBi主波束增益，副瓣电平值在−13.4 dB以下，交叉极化电平值小于−20 dB。此外，和波束与差波束在E面和H面的增益比值分别为5.6 dB和4 dB。该天线具有重量轻、成本低等优点，有望用于低成本动中通系统。

Abstract

An X-band monopulse antenna based on transmitarray with light-weight and low-cost features is designed

fabricated

and measured. The proposed antenna is composed of a transmitarray lens

a feed source which combines aperture-coupled microstrip antennas

and a sum-difference (SUM-DIFF) comparator. According to simulation and measurement results of the transmitarray based monopulse antenna

gain of sum beam reaches 21.5 dBi. The sidelobe level is below -‍13.4 dB

and the cross polarization level is below -‍20 dB. In addition

the gain ratios between the sum beam and difference beam in E-plane and H-plane are 5.6 dB and 4 dB

respectively. The transmitarray based monopulse antenna could be applied in low-cost SATCOM on the move (SOTM) system.

关键词

孔径耦合单脉冲天线微带透射阵列

Keywords

references

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