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由四个半波振子组成的垂直直线阵的增益约为8dB,一侧加有反射板的四元式直线阵,其增益约为()dB,即常规板状天线,也就是所说的低增益天线。

更新时间:2024-11-24 03:43:49
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正确答案:

14~17

答案解析:

暂无解析

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