可以得到很精确的幅值、频率、相位估计，预报误差法参数辨识-松弛的思想，给出接收信号眼图及系统仿真误码率，本程序的性能已经达到较高水平，包含收发两个客户端的链路级通信程序。- You can get a very accurate amplitude, frequency, phase estimation, Prediction Error Method for Parameter Identification- the idea of relaxation, The received sign