非归零型差分相位调制信号建模与仿真分析 ，到达过程是的泊松过程，对于初学matlab的同学会有帮助，给出接收信号眼图及系统仿真误码率，本程序的性能已经超过其他算法，旋转机械二维全息谱计算，能量熵的计算。- NRZ type differential phase modulation signal modeling and simulation analysis, Arrival process is a Poisson process, Matlab for beginner students will help, The received signal is given eye and BER simulation systems, This program has exceeded the performance of other algorithms, Rotating machinery 2-d holographic spectrum calculation, Energy entropy calculation.