放大器的知识，可以参考做功率放大如音频方面的-Knowledge of the amplifier can refer to do such as audio power amplifier

在MATLAB仿真的基于放大转发系统（AF）的能量分配，通过对比，分析出EPA方案下，功率要更好一些！-MATLAB simulation amplify and forward (AF)-based energy allocation, by contrast, analysis of the EPA program, the power to be better!