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本文从理论上和实验上阐明了共用4、6、20、30千兆赫的四频带偏置天线的结构、设计方法和辐射特性。这种天线的特征是:使用金属栅网,将微波波段和准毫米波段分离,采用把微波波段和准毫米波段用的馈源分别向侧方偏移的侧方馈电方式,因而增加了馈源设置的自由度。
In this paper, the structure, design method and radiation characteristics of 4, 20, 20 and 30 GHz 4-band biased antennas are illustrated theoretically and experimentally. The characteristics of this antenna are: the use of metal grid, the microwave band and quasi-millimeter band separation, the use of the microwave band and quasi-millimeter band side of the feed side of the lateral feed offset, thereby increasing the feed Source set degrees of freedom.