经过仿真实验,分析角运动的时间序列,给出了比较详尽的飞行不稳定机制分析结果。
Through the simulating experiments and the analysis of Angle motion time series, the detailed analyzed conclusions about flight instability mechanism are presented.
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。
To characterize the deterministic dynamics in heart rhythm, the unstable periodic orbit analysis were the RR interval time series of healthy young men.
结果表明三因素模型结构不稳定,但短期比长期结构稳定性要高;大部分组合回归系数时序稳定性较差,同时ARMA和GARCH模型对每个回归系数时间序列进行预测显示有较好的预测能力。
The results show that the model is instability in the long run, most coefficient is non-stationary, and we can preferably forecast the coefficient by using the ARMA, GARCH model.
结果表明三因素模型结构不稳定,但短期比长期结构稳定性要高;大部分组合回归系数时序稳定性较差,同时ARMA和GARCH模型对每个回归系数时间序列进行预测显示有较好的预测能力。
The results show that the model is instability in the long run, most coefficient is non-stationary, and we can preferably forecast the coefficient by using the ARMA, GARCH model.
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