一般通信卫星的对通电话是采用两个地面通信站设备来实现的。本文是研究利用一端地面通信站设备(说确切些是利用一个发射载波)进行对通(双工)电话的问题。众所周知,通电话的过程是很简单的,A、B二人要通话,只要通过传输通道,A送话 General communications satellite on the phone is the use of two ground station equipment to achieve. This article examines the use of one end of the ground communication station equipment (that is, the exact use of a transmit carrier) to pass (duplex) phone problems. As we all know, the process of talking on the phone is very simple, A, B two to call, as long as the transmission channel, A sent words