首页> 外文期刊>Journal of Electrical & Electronics Engineering, Australia >Design of a High-Performance, Mid-Sized, X-Band Earth Station Antenna
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Design of a High-Performance, Mid-Sized, X-Band Earth Station Antenna

机译:高性能,中型X波段地球站天线的设计

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摘要

The reflector antenna and feed system of an 11-m diameter earth-station that operates in circular polarisation at X-band is described. The reflector-optics are required to have high G/T, sidelobes that satisfy the CCIR recommendation and low mismatch at the feed. The feed system is required to have high isolation between the transmit and receive ports ( > 40 dB) at the centre of the band. This isolation is achieved by minimising reflections from all components forward of the polariser. The measured performance of the reflector and feed system is described.
机译:描述了直径为11 m的地球站的反射器天线和馈电系统,该系统在X波段以圆极化运行。要求反射镜光学器件具有高G / T,满足CCIR建议的旁瓣以及在馈源处的低失配。要求馈电系统在频带中心的发送和接收端口之间具有较高的隔离度(> 40 dB)。通过最小化来自偏振器前面的所有组件的反射来实现这种隔离。描述了反射器和馈电系统的测量性能。

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