一种新型混合天线反射面整形技术

S.D. Liu, S.F. Liu, Y. Jiao, F. Zhang
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引用次数: 0

摘要

提出了一种提高混合天线(即相控阵照射反射系统)波束扫描能力的反射面整形技术。通过调整反射镜的形状,使期望的扫描方向与扫描范围内出射射线方向之间的误差最小化。该技术可用于在天线扫描过程中减小馈电阵列的有源单元数,或在有源单元数一定的情况下减小波束扫描引起的增益损失。设计并分析了一种偏置反射面天线系统,验证了该技术的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A novel reflector shaping technique for hybrid antennas
A new reflector shaping technique to improve the beam scanning capability of hybrid antennas (i.e. a reflector system illuminated by a phased array) is presented. Errors between the desired scan directions and the outgoing rays' directions in the scanning range are minimized by adjusting the reflector shape. This technique can be used to decrease the active element number of the feed array during the antenna scans, or reduce the gain loss caused by beam scanning when the number of active elements is given. An offset reflector antenna system is designed and analyzed, through which the validity of the technique given in this paper is demonstrated.
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