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ysjysj01:从你的图上来看,很显然,天线方向图主瓣辐射最强的方向是与天线垂直的,图一收发天线位置能保证两天线的主瓣相互对准,收发效率最高,而图二主瓣未对准,副瓣对准了,收发效率很低! (2020-08-11 10:06) ETg{yBsp