一种用于ka波段卫星通信的顺序相位馈电双频双圆极化贴片天线

2020 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO) Pub Date : 2020-12-07 DOI:10.1109/NEMO49486.2020.9343577

Hongfei Liu, Yejun He, Long Zhang, Wei He

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引用次数: 1

摘要

本文提出了一种用于ka波段卫星通信的双频双圆极化贴片天线。它集成了2个2孔耦合角截断微带贴片天线单元，微带馈电网络为子阵列提供了良好的幅值和相位。通过采用顺序旋转技术，实现了良好的阻抗带宽和轴比带宽，覆盖了ka波段卫星通信的上行频率(30-31 GHz)和下行频率(20-21 GHz)。由于元件放置在适当的范围内，两个端口被很好地隔离。本文给出了详细的设计过程，并取得了良好的仿真和实测结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A Sequential-Phase Fed Dual-Band Dual-Circular-Polarized Patch Antenna for Ka-Band Satellite Communications

In this paper, a dual-band dual-circular-polarized patch antenna for Ka-band satellite communications is presented. It integrates 2 2 aperture-coupled corner-truncated microstrip patch antenna elements and the microstrip feeding network provides a good amplitude and phase for the subarrays. By using sequential rotation technique, it achieves good impedance bandwidth and axial ratio bandwidth, which covers the uplink frequencies (30-31 GHz) and downlink frequencies (20-21 GHz) of Ka-band satellite communications. Since the elements are placed within an appropriate range, the two ports are well isolated. The detailed design process is given in this paper, and good simulation and measured results are obtained.

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来源期刊

2020 IEEE MTT-S International Conference on Numerical Electromagnetic and Multiphysics Modeling and Optimization (NEMO)

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