接受分集中的等增益合并函数，输出误码率和信噪比的关系曲线 -Acceptance of equal gain combining centralized function, the output is bit error rate and SNR curve

AGC系统的输入输出功能与中频放大器闭环增益的关系曲线，simulink模型。-AGC system input and output functions and IF amplifier closed-loop gain curve, simulink model.