高速数据传输系统中，8PSK为常用的调制方式。为了满足更高的误码率指标，本文对软判决算法进行了深入的研究，并针对两种不同的软判决算法进行了误码率仿真。-high-speed data transmission system, commonly used for 8PSK modulation. In order to meet the higher rate of error, this pair of soft decision algorithm for the in-depth stud

1、 产生等概率且相互独立的二进制序列，画出波形； 2、产生均值为0，方差为1的加性高斯随机噪声； 3、进行8PSK调制，画出波形； 4、进行蒙特卡罗分析； 5、解调8PSK，画出眼图。-1、Produce equal probability and independent of each other binary sequence, draw waveform 2、Generate mean 0, variance 1 of the additive Gaussian ra

4-QAM,8PSK,QAM,QPSK +AWGN : Ps-Es/N0 and Pb-Eb/N0 We can plot 2 fig. to show that the 4 modulation situation-4-QAM,8PSK,QAM,QPSK +AWGN : Ps-Es/N0 and Pb-Eb/N0 We can plot 2 fig. to show that the 4 modulation situation