宽带相控阵与阵馈反射器天线的波束指向偏差分析

2021 13th International Symposium on Antennas, Propagation and EM Theory (ISAPE) Pub Date : 2021-12-01 DOI:10.1109/isape54070.2021.9753656

Li Wei-Mei, Liu Bo, Niu Xuejie, Liu Heng

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引用次数: 0

摘要

在宽带相控阵和阵馈反射器天线中，传统的相移方法会引起波束指向随频率的偏移。本文利用波束形成理论对宽带相控阵和阵馈式反射器天线的波束指向偏移进行了仿真分析。理论分析表明，平面相控阵在方位角和仰角上的波束指向漂移与天线尺寸无关，阵馈式反射面天线的波束指向漂移并不优于相控阵天线，但补偿阵馈式反射面天线的波束指向偏差要容易得多。

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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Beam-pointing Deviation Analysis of the Wide band Phased Array and Array-fed Reflector antenna

In wide-band phased array and array-fed reflector antenna, the traditional phase-shift method causes beam-pointing deviation versus frequency. The excursion of beam-pointing is analyzed for the wide band phased array and array-fed reflector antenna through simulating using beam forming theory in this paper. The theoretical analysis shows that the beam-pointing drift of the planar phased array in azimuth and elevation are independent of the antenna size, and the beam-pointing drift of the array-fed reflector antenna is not superior than the phased array antenna, but it is much easier to compensate the beam-pointing deviation of array-fed reflector antenna.

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2021 13th International Symposium on Antennas, Propagation and EM Theory (ISAPE)

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