天线驱动单元变频器干扰对卫星通信系统终端载噪比的影响及对策

Influence and Countermeasure on Terminal Carrier-to-Noise Ratio in Satellite Communication System of ADU Converter Interference

天线驱动单元是天线伺服机构的重要组成部分,驱动天线指向预定位置。天线驱动单元内配置变频器,以实现天线转动速度的变化。而变频器往往会对其它设备产生干扰。文章对变频器干扰形成机理、抗干扰对策进行了分析。并结合实例,分析了典型卫星通信系统中天线驱动单元变频器干扰对终端载噪比的影响和对策。

ADU is the important part of antenna servo mechanism, which point to the predetermined position. The converter of ADU is lead to realize the different speed of antenna, but the other equipments are always influenced by the converter. The formation mechanism of converter interference and the countermeasure of anti-jamming are analyzed in this paper, and the influence and countermeasure on terminal carrier-to-noise ratio is also analyzed with the practical examples.