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在有附加的平稳白高斯噪声时,本文使锁相环路的非线性响应特性在其些平衡点上线性化。对线性化模型建立了Fokker-Planck方程,并由此获得响应特殊的矩(mo-ment)。然后建立线性化系统的平均的和均方的稳定性判据。对一阶和高阶环路都取得了结果。
In the presence of additional stationary white Gaussian noise, the nonlinearity of the PLL is linearized at some of its equilibrium points. The Fokker-Planck equation is established for the linearized model, and thus a mo-ment of response is obtained. Then we establish the average and mean square stability criterion of the linearized system. Results for both first-order and higher-order loops.