C频段高增益低旁瓣天线馈源设计

测控系统中的收发天线要求有较好的隔离度，收发天线系统的旁瓣要尽可能地小，要达到这样的要求往往天线的成本很高。文中设计了一种加扼流环的圆锥喇叭来作为抛物面的馈源。实现低成本的高增益、低旁瓣的收发天线系统。实验结果表明：加扼流环的圆锥喇叭照射抛物面的天线具有低副瓣、高增益的特点，实现简单，性能优越。本文的结果已经应用到某C频段测控系统中。

Design of a C-band High-gain, Low-sidelobe Antenna Feed

In order to raise the isolation between the receiving antenna and the transmitting antenna in telemetry and command system, the sidelobes of antennas must be as small as possible and this antenna always costs much. A corrugated conical horn antenna with high-gain and low-sidelobe feeding the paraboloidal reflector antenna to reduce the cost is designed. The results show that the antenna is easy designed and high performance with high-gain and low-sidelobe. These results have been applied in a C-band tracking,telemetry and command(TT&C) system.