In this paper, according to the characteristics of non linear network traffic, traffic behaviors are decomposed into trend items, period items, and random items by an accumulation decomposition model.

本文采用一种累加模型将复杂大规模网络流量分解成趋势项、周期项和随机项。

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Through the use of linear model and nonparametric regression model, the trend of the total foreign exchange reserve account for the proportion of GDP is fitted.

利用线性模型和非参数回归模型，对我国外汇储备总量占国内GDP总量比重的变化走势进行了拟合分析。

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Linear models mainly include the factor analysis model and the trend surface model. And nonlinear models include BP neural network model.

其线性模型主要为因子分析模型和趋势面分析模型，非线性模型为BP神经网络模型。

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