• As one of the branches of statistics, time series analysis focuses on the variation characters and trend of discrete ordered data series mainly.

    时间序列分析统计学分支之一,它的研究对象是离散有序数列变化特征变化趋势

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  • At the same time the space variation of the soil parameter already drive people a cognition, combine to lead into the dependable analysis of the soil engineering gradually.

    同时岩土参数空间变异性人们所认识逐步引入岩土工程可靠性分析中。

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  • The joint time-frequency analysis provides more direct and comprehensive knowledge of the transient variation of pulse signals at any time and any point of the transmission line.

    联合时频分析可以直观更全面地了解脉冲信号传输线任意时间任意位置瞬态变化

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  • Analysis shows this model is able to predict the variation trend of short time traffic flow.

    分析表明:模型较好预测了短时交通变化趋势

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  • An empirical formula of depth-averaged velocity is derived by means of dimensional analysis, and at the same time the characteristics of the variation of bottom current velocity are described.

    文中还利用量纲分析导出挖槽中心垂线平均流速折减系数经验公式

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  • The variation law of annual maximum peak discharge time series at Cuntan station of the upper reaches of Yangtze River has been probed, including trends and periods analysis.

    趋势分析周期分析两方面分析长江上游最大洪峰流量演变规律

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  • By experience orthogonal function analysis and wavelet analysis on chilling damage indices, it showed spatial-temporal variation in the regulation and multiple-time-scale characteristics.

    此基础上对低温冷害指数进行经验正交分解分析,得到其时空变化规律多时间尺度特征

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  • The paper discusses the computing condition and precision of variance-time analysis and variation algorithm based-on fractal dimension definition.

    另外还探讨了聚集过程的方差分析法基于分形维数的定义变换分析法的计算条件精确度等特点。

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  • The paper discusses the computing condition and precision of variance-time analysis and variation algorithm based-on fractal dimension definition.

    另外还探讨了聚集过程的方差分析法基于分形维数的定义变换分析法的计算条件精确度等特点。

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