从先验概率中采样，计算权重，非归零型差分相位调制信号建模与仿真分析 ，包含收发两个客户端的链路级通信程序,自己编的5种调制信号，BP神经网络用于函数拟合与模式识别，验证可用。- Sampling　a priori probability, calculate the weight, NRZ type differential phase modulation signal modeling and simulation analysis, Contains two clients receive link-level communications program, Own five modulation signal, BP neural network function fitting and pattern recognition, Verification is available.