实现了高斯噪声下APSK的BER仿真，其中加上了saleh模型的HPA放大器-Achieved under the Gaussian noise APSK the BER simulation, which added Saleh HPA amplifier model

采用saleh模型对射频功率放大器进行基带信号建模，能够包含功放的记忆效应和非线性-Saleh model of the RF power amplifier for baseband signal modeling, which can contain the memory effect of the amplifier and nonlinear.

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.