本文研究了自适应正交多载波频分复用(AOFDM)中根据估计出的信道特性选择调制方式的问题。
The problem of how to choose the constellation size based on the estimated channel qualities in AOFDM systems is addressed in this paper.
为克服低压电力线信道的频率选择性和时变性,系统采用正交多载波方式传输信息。
Orthogonal Multi-Carrier Modulation(OMCM) is adopted to overcome the frequency selectivity and time variation of low-voltage power line channel.
正交耦合器是一个很好的方式,具有配电,高分离和高功率的能力。
Quadrature couplers are an excellent way for power distribution due to a high isolation and high power capability.
应用推荐