包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，分析了该信号的时域、频域、倒谱，循环谱等,esprit算法对有干扰的信号频率进行估计。- Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. esprit algorithm