移动卫星通信低轮廓相控阵天线的旁瓣抑制

2010 3rd International Conference on Advanced Computer Theory and Engineering(ICACTE) Pub Date : 2010-09-20 DOI:10.1109/ICACTE.2010.5579671

Li Zhiqiang, Yao Min-Li, Shen Xiaowei

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引用次数: 2

摘要

卫星移动通信(SOTM)系统的天线一般为反射天线。由于尺寸和空气动力学的限制，反射天线不能广泛应用于运动车辆。低轮廓相控阵天线很好地解决了这一问题。在应用低轮廓相控阵天线时，平面天线高度的降低会导致天线性能下降等问题。采用遗传算法优化调整子阵距离以减小天线波束方向图的副瓣。计算机仿真结果表明，优化后的低轮廓相控阵天线的旁瓣被抑制了7.1 dB。

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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Sidelobe reduction of the low profile phased array antenna for satellite communication on-the-move

The antenna of the satellite communication on-the-move (SOTM) system generally is reflector antenna. Reflector antenna can not be applied on moving vehicle widely because of restrictions on dimensions and aerodynamics. Low profile phased array antenna is a good solution to this problem. When low profile phased array antenna is applied, the reduced height of the planer antenna causes some problems such as the decrease of antenna performance. Genetic algorithm optimization is applied to adjust the subarray distances to reduce the sidelobe of the antenna beam pattern. Computer simulation results show that the sidelobe of the low profile phased array antenna is suppressed by 7.1 dB after optimization.

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2010 3rd International Conference on Advanced Computer Theory and Engineering(ICACTE)

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