可以得到很精确的幅值、频率、相位估计，实现了对10个数字音的识别，电力系统暂态稳定程序，可以进行暂态稳定计算。- You can get a very accurate amplitude, frequency, phase estimation, To achieve the recognition of 10 digital sound, Power System Transient Stability Program, can be transient stability.