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本文介绍了波束宽度不随频率倒数(1/f)变化的一种新型的H面扇形喇叭天线。在喇叭天线馈电部分和颈部的高阶模TE_(30)的出现是天线工作频带的上限,在馈电器部分进行高阶模补偿的器件可以在大于3:1的频带宽度内实现恒波束。
This paper presents a new type of H-sector sector horn antenna whose beamwidth does not vary with frequency reciprocal (1 / f). The appearance of high order mode TE_ (30) at the feed section and the neck of the horn antenna is the upper limit of the operating band of the antenna, and the device performing high order mode compensation in the feeder section can achieve a constant beam within a bandwidth of more than 3: 1.