终极淘汰传统卫星天线
这个极化角也等于星下点的接收天线所在的地平面与非星下点的接收天线所在的地平面之间的交角）才能与卫星电波相匹配。
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天线的好坏直接影响到整个地面站使用寿命，和接收效果！好的天线不但要有精准的聚焦点，完全的反馈信号，坚固的支架，还要有不生锈的防腐漆面
