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一副微波天线和与之连接的馈线是该方向微波设备的共用部分。如果这部分性能恶化，自然会影响该方向微波电路的通信质量。天线的主要指标是在通信方向的增益、对其它方向的防护能力以及输人电压驻波比。在地面微波通信系统中，各点之间不存在相对运动，天线的几何形状决定了它
A pair of microwave antenna and the feeder connected to it is the common part of the directional microwave equipment. If this part of the performance deterioration, will naturally affect the quality of the microwave communication circuit in the direction. The main indicators of the antenna gain in the direction of communication, the protection of the other directions and input voltage standing wave ratio. In a terrestrial microwave communication system, there is no relative motion between points, and the geometry of the antenna determines it