Then, after ADF stationarity test, we used the factor sequences to establish a VAR model. We conducted Granger causality test and impulse response analysis.
其次,本文对提取出的因子序列进行了ADF平稳性检验,建立VAR模型并进行了Granger因果关系检验和脉冲响应分析。
参考来源 - 对2000Firstly, based on cyclostationary signal theory, the non-stationarity of the chaotic signals is analyzed. Simulations show that the signals exhibit the cyclostationarity.
首先，根据循环平稳过程理论，分析了双漩涡吸引子运动行为下蔡氏电路所产生的混沌信号的循环平稳特性，模拟仿真证明了信号的非平稳性。
参考来源 - 蔡氏电路混沌信号：循环平稳特性与预测·2,447,543篇论文数据，部分数据来源于NoteExpress
In this paper, we discuss the stationarity and invertibility of a bilinear model.
本文主要讨论双线性时间序列模型的平稳性与可逆性。
To the poor stationarity of bent axle and the big vibration after remodeling, we redesign the bent axle.
针对改型后两缸机平稳性差、振动大的特点，我们对曲轴做了重新设计。
This technology has such advantages as lowering construction time, decreasing costs and improving installation stationarity.
该项技术可缩短工期，降低费用，提高安装的平稳性。
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