卫星通信中交叉极化干扰现象与处理方法

Study on cross polarization interference in satellite communication

交叉极化干扰在卫星通信中不可避免,只能尽量减小。通过分析卫星通信中交叉极化干扰产生的原因以及干扰发生时信号的频谱特征,指出了交叉极化干扰可能影响到的三类用户:网内主极化用户本身、相邻频段网内其他用户和另外一个交叉极化转发器同频段的用户。最后给出了尽量减少交叉极化干扰的处理方法。

Cross polarization interference is inevitable in satellite communication, and it can only be reduced as far as possible. By analyzing the cause of cross polarization interference and the frequency spectrum eharaeteristic of the signal, three kinds of users that may be affected are stated, including principal polarization users, the other users working at adjacent frequency band in the same network, and the users at the same frequency band using another cross polarization transponder. The method of reducing cross polarization interference is given.