摘要
采用理想积分滤波器和ＲＣ积分滤波器得到了正弦、余弦、正切鉴相特性三阶锁相环路方程．运用首次近似方法及Ｌｉａｐｕｎｏｖ函数，对等价系统判定平衡点渐近稳定、不稳定及拓扑结构的渐近稳定吸引域进行了研究，得到了所讨论的环路方程有失锁点的结论．
Using first time approximation, the gradually stability and topology structure of the equivalent system for two kinds of degree three return circuit equation with sine, cosine phase obtained via ideal separator of integral and separator of RC integral, and for a kind of degree three return circuit equation with tangent phase obtained via separator of RC integral was worked out in this paper. The attraction field for the gradually stability of equilibrium points was explored via the second method of Liapunov, the theorical basis for the unlockage of the return circuit equation was offered.
出处
《东北师大学报（自然科学版）》
CAS
CSCD
2000年第2期18-22,共5页
Journal of Northeast Normal University(Natural Science Edition)
关键词
锁相环路方程
失锁
待价系统平衡点
渐近稳定
locking phase circuit equation
Liapunov function
equivalence system equilibrium point
asymptotically stable
unstable
