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根据随机微分与噪声信号处理的内在联系,对相位噪声信号进行了系统的分析。建立了相位噪声通过滤波器后所满足的福克尔-普朗克方程,利用群移傅里叶变换(MGFT)给出了方程的解,得到了相位噪声幅度和相位的联合概率密度函数。
According to the inherent relationship between random differential and noise signal processing, the phase noise signal is systematically analyzed. The Fokker-Planck equation satisfied by the phase noise passing through the filter is established. The solution of the equation is given by using the group shift Fourier transform (MGFT), and the joint probability density function of the phase noise amplitude and phase is obtained.