用于x波段卫星通信的圆极化双馈阵天线

2018 IEEE Seventh International Conference on Communications and Electronics (ICCE) Pub Date : 2018-07-01 DOI:10.1109/CCE.2018.8465730

Nguyen Duy Phong, Linh Ho Manh, Kiem Nguyen Khac, Dao Ngoc Chien

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引用次数: 3

摘要

提出了一种用于x波段卫星的圆极化双馈阵天线。本文介绍了序贯相转原理在2×2子阵和4×4阵中的应用。分析设计了单元件双馈电网络，使其各输出端口相位差为90度，功率比为1:1。电容环隙置于方形驱动器补片内部，以实现阻抗匹配。因此，8.04 ~ 8.4 GHz的x波段被完全覆盖，轴比小于2 dB。在8.2 GHz下，4×4阵列天线的模拟增益为13.76 dBi。整个天线实现了紧凑的尺寸，在卫星通信中显示出巨大的潜力。

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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Circular Polarization Dual-Feed Array Antenna for X-Band Satellite Communication

A circular polarization dual-feed array antenna for X-band satellite is proposed. In this paper, sequential phased rotation principle applied for 2×2 sub-arrays and 4×4 array is introduced. A dual feeding network for single element is analyzed and designed in such a way that it can obtain 90 degree phase difference and 1:1 power ratio for each output port. The capacitive annular gaps are placed on inside of square driver patch for impedance matching. Consequently, X-band ranging from 8.04 to 8.4 GHz is covered completely and axial ratio is less than 2 dB. An 4×4 array antenna has a simulated gain of 13.76 dBi is achieved at 8.2 GHz. The whole antenna achieves a compact size and shows a great potential in satellite communication.

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2018 IEEE Seventh International Conference on Communications and Electronics (ICCE)

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