实现串口的数据采集，ML法能够很好的估计信号的信噪比,单径或多径瑞利衰落信道仿真。- Achieve serial data acquisition, ML estimation method can be a good signal to noise ratio, Single path or multipath Rayleigh fading channel simulation.

信道高斯噪声和瑞利噪声测试，统计信噪比计算(Channel Gauss noise and Rayleigh noise test)