...不稳定周期轨道；非线性动力学；混沌 [gap=1204]Keywords：Cardiac rhythm； Heart rate variability； Unstable periodic orbit；Nonlinear dynamics； Chaos ...
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unstable periodic orbit upo 不稳定周期轨道
The stabilization of an unstable periodic orbit in a neighborhood of an unstable fixed point is studied.
讨论了不稳定不动点邻域的不稳定轨道的稳定问题。
To characterize the deterministic dynamics in heart rhythm, the unstable periodic orbit analysis were the RR interval time series of healthy young men.
为刻划心脏节律存在的确定性动力学特征，运用不稳定周期轨道分析方法对健康青年人的RR间期时间序列数据进行分析。
The small control is adopted also in the phase control and the best phase matching between the control signal and the unstable periodic orbit is reached. Then the best effect of control is got.
外激励相位控制采用微小信号控制并使控制信号与系统的不稳定周期轨道达到最佳相位匹配，获得最佳控制效果。
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