非归零型差分相位调制信号建模与仿真分析 ，计算两个矩阵之间的欧氏距离，这是一个好用的频偏估计算法的matlab仿真程序。- NRZ type differential phase modulation signal modeling and simulation analysis, Calculation of the Euclidean distance between the two matrices, This is a useful frequency estimation algori