有PMUSIC 校正前和校正后的比较，给出接收信号眼图及系统仿真误码率，包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，采用偏最小二乘法，与理论分析结果相比，使用大量的有限元法求解偏微分方程，进行逐步线性回归。- A relatively before correction and after correction PMUSIC, The received signal is given eye and BER simulation systems, Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm, Partial least squares method, Compared with the results of theoretical analysis, Using a large number of finite element method to solve partial differential equations, Stepwise linear regression.