This article contains analyses of the performance of various carrier synchronization loops for offset quadrature phase-shift-keying (OQPSK) modulation, all motivated in one form or another by the maximum a posteriori (MAP) estimation of carrier

最大似然（ML）准则和最大后验概率（MAP）准则，music高阶谱分析算法，现代信号处理中谱估计在matlab中的使用。- Maximum Likelihood (ML) criteria and maximum a posteriori (MAP) criterion, music higher order spectral analysis algorithm, Modern signal processing used in the spectral estimation in matla