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Integrable hyperbolic equations of sin-Gordon type
Integrable hyperbolic equations sin-Gordon type
2010/4/7
A complete list of nonlinear one-field hyperbolic equations having generalized integrable x- and y-symmetries of the third order is presented. The list includes both sin-Gordon type equations and equa...
针对鉴相特性为g(φ)=tgφ的带有强迫项的二阶非线性方程的周期解的存在性与唯一性进行了分析,並作出了一般的结论。但在实际上,上述的锁相环路很难实现。1972年,W.C.Lindsey在中提出了考虑鉴相特性为