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中文摘要：
采用Greenberg-Hasting元胞自动机模型研究了激发介质中非线性波的有关性质：在零流边界条件下根据计算机数值模拟研究了行波波速随邻域半径、激发阈值的变化关系,分析得到激发介质的激发条件;同时模拟研究了螺旋波波头轨迹受不应态数和激发阈值的影响并分析产生这些影响的内在微观机理.
英文摘要：
In this paper, we have studied the nonlinear waves using the Greenberg-Hasting Cellular Automaton model. The dependence of the propagation speed of plane wave on the neighbor radius and the excitation threshold is analyzed with the no-flux boundary condition by computer simulation, and then the excitation condition is obtained. The orbit of the tip of spiral wave is affected by the number of refractory states and the excitation threshold, and then the mechanism is analyzed.
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