Based on single mode laser system, a new dynamical system under external periodic perturbation modulation is constructed and investigated by using of the numerical analysis method.

通过对单模激光混沌系统增加一个周期扰动，构造一种具有外部周期扰动的新动力学系统，基于数值法研究了系统的混沌态在周期扰动下的动力学行为。

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The dynamical behaviors of subsystem in coupling chemical reaction system with time delay as well as velocity perturbation were studied by numerical simulation.

在耦合自催化反应系统中，采用数值分析方法研究了考虑时滞效应和流速扰动时子系统的动力学行为。

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