可以得到很精确的幅值、频率、相位估计，现代信号处理中谱估计在matlab中的使用，基于互功率谱的时延估计，FIR 底通和带通滤波器和IIR 底通和带通滤波器，包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，在matlab环境中自动识别连通区域的大小。- You can get a very accurate amplitude, frequency, phase estimation, Modern signal processing used in the spectral estimation in matlab, Based on the time delay estimation of power spectrum, Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm, Automatic identification in the matlab environment the size of the connected area.