【Key words】 jujube-grain intercropping ecosystem; arthropod community; composition; time series dynamics
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研究了棉田天敌群落时序动态。
研究了隧洞施工中地表沉降动态预测模型,提出了时变参数灰色—时序动态预测模型,并建立了一种改进的时变灰色模型。
The dynamic data forecasting model of ground settlement is studied, a new prediction model of grey-time serial with time-varying parameters characters is proposed.
详细阐明了时间序列的基本思想、几种基本时序模型和时序动态特征,讨论分析了如何进行模型识别、模型参数计算和模型的定阶。
The basic idea and some kinds of the common time series models and the development characteristics of time series are explained in detail.
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