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本文的目的是在带宽、方向性或天线阵尺寸受限制的条件下,获得八木天线阵的最佳设计。本文指出,只要明确了上述限制中的任何两个因素,天线阵的外形也就可以确定;同时,也表明正确设计的八木天线阵能在频率比约等于3.5的两个频带中工作。
The purpose of this paper is to get the best design of Yagi antenna array under the condition of limited bandwidth, directivity or antenna array size. This paper points out that the antenna array shape can be determined only if any two of the above restrictions are clear, and that the correctly designed Yagi antenna array can work in two frequency bands with a frequency ratio of about 3.5.