仿真高斯白噪声信道下QPSK的Eb/N0与误比特率之间的关系。 要求： 任选一种工具进行仿真：SPW、Matlab、Simulink。 成型滤波器采用根升余弦滚降滤波器，滚降系数为0.5，过采样因子为4 要求仿真至1e-5误比特率 。 与理论值对比，绘出对比曲线-Simulation of Gauss white noise channel QPSK between Eb/N0 and bit error rate

【matlab】Clarke信道全向天线和环形天线包络协方差与成型因子关系仿真代码(Simulation code of the relationship between the envelope covariance of the Clarke channel omnidirectional antenna and the ring antenna and the forming factor using MATLAB)