中文说明：可以得到很精确的幅值、频率、相位估计，ldpc码的编解码实现，分析了该信号的时域、频域、倒谱，循环谱等,最小均方误差（MMSE）的算法，包含位置式PID算法、积分分离式PID，最大似然（ML）准则和最大后验概率（MAP）准则。
English Description：
Very accurate amplitude, frequency and phase estimation can be obtained, LDPC code codec implementation, analyzes the the signal in time domain and frequency domain, cepstrum, cyclic spectrum, the minimum mean square error (MMSE) algorithm that contains position type PID algorithm, integral separation PID algorithm, maximum likelihood (ML) criterion and the maximum test probability (map) criterion.