Prony算法用来提取信号的幅值、频率、衰减因子和初相角。它在电力系统低频检测，谐波检测等方面运用非常广泛，但是缺点是抗噪性差，它的信号提取能力强，模拟曲线的能力强，但为了提高它的抗噪性，最好与其它方法相结合-The Prony algorithm is used to extract the amplitude, frequency, attenuation factor and initial phase angle of the signal. It is in the power sys