数字基带传输系统 代码 眼图 误码率 a=0.5 tao=Ts/2 phi=0。信噪比15，采样偏差0，滚余弦系数0.5，占空比0.5，-Digital baseband transmission system bit error rate of the code eye diagram a = 0.5 Tao = Ts/2 phi = 0. Signal-to-noise ratio 15, the sampling deviation, roll cosine coefficient

TD-LTE中基带数字信号传输中，符号级的信噪比的计算。具体定义请参看TS36.211协议-TD-LTE baseband digital signal transmission, the calculated signal to noise ratio of the symbol level.The definition pls check the protocol of 36.211