加入载波相位偏差，用最大似然估计和错误估计估计相位误差，并进行比较。-Add carrier phase deviation, using maximum likelihood estimation and errors estimated phase error is estimated and compared.

ofdm最大似然估计 加入循环前缀 进行信道估计同步算法-ofdm Maximum Likelihood Estimation of cyclic prefix for channel estimation synchronization algorithm