1. antenna feeder：antenna feed impedance 天线输入阻抗 | antenna feeder 天线馈线 | antenna field gain 天线场强增益
2. aerial feeder：aerial feed 天线馈电 | aerial feeder 天线馈线 | aerial impedance 天线阻抗
3. 天线馈线的反义词
3. antenna feed：天线孔径-媒质耦合损耗 aperture-to-medium coupling loss | 天线馈线 antenna feed | 天线盲锥 antenna blind cone