unit Root Process 单位根过程 ; 则称该过程为单位根过程
the unit root process 单位根过程
Time Trend Unit Root Process 趋势性单位根过程
And introduced the unit root test and the random process that can often be used in economy.
介绍了单位根检验以及经济中常用的随机过程。
Firstly, we construct the test of the exogenous structural mutation for a unit root process and this eliminates the influences on the model from the mutation of the data growth process.
本文首先构造了单位根过程外生性结构突变的检验，排除了数据生成过程的突变对建模的影响。
The result indicated that the energy demand of our country is the process of trend stability with a structure change rather than the process of unit root with a structure change;
研究结果表明：我国的能源需求是带有结构突变的趋势稳定过程而非结构突变的单位根过程；
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