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本文介绍了一种賦形波束天线用的圆极化馈源。讨论了形成賦形波束的多馈源天线的特殊问题,通过理论及其实验以及它们的相互比较,说明了十字膜片馈源对于解决这类问题的适用性。比较了不同种类馈源对天线覆盖区增益的影响,从而进一步证明了十字膜片馈源的优点。
This paper presents a circular polarization feed for a beamforming antenna. The special problems of multi-feed antenna forming shaped beams are discussed. The applicability of cross-shaped film feed to solve such problems is illustrated by theory and experiment and their mutual comparison. The influence of different kinds of feeds on the gain of the antenna coverage area is compared, which further proves the advantages of the cross diaphragm feed.