QAM

例句：

1. 1. The QAM signal was transmitted over a satellite link.
   通过卫星链路传输了QAM信号。
2. 2. The QAM modulation scheme is more robust against interference than other methods.
   与其它方法相比，QAM调制方案更能抵抗干扰。
3. 3. In the context of wireless communication, QAM is used to increase data rates and reduce bandwidth requirements.
   在无线通信领域，QAM用于提高数据速率并减少带宽需求。