本程序是用MATLAB编写的用于仿真通信系统中信号经过QPSSK和16QAM调制后，通过高斯白噪声和瑞利衰落信道的星座图仿真 -This program is a simulation of communication systems using MATLAB for signal through QPSSK and 16QAM modulation constellation of white Gaussian noise and Rayleigh fading channel simul