檢視雷达天线的原始碼

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中文名；雷达天线

作用；辐射和接收电磁波

坐标；方位、仰角和距离

主要参量；方向图、增益和有效面积
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雷达用来辐射和接收电磁波并决定其探测方向的设备。雷达在发射时须把能量集中辐射到需要照射的[[方向]]；而在接收时又尽可能只接收探测方向的回波，同时分辨出目标的方位和仰角，或二者之一。雷达测量目标位置的三个坐标（方位、仰角和距离）中，有两个[[坐标]]（方位和仰角）的测量与天线的性能直接有关。因此，天线性能对于雷达设备比对于其他电子设备(如通信设备等)更为重要。<ref>[https://wenda.so.com/q/1512646860217242 雷达与天线的区别],360问答 , 2017年5月7日</ref>