• 土地利用变化驱动力灰色预测回归预测浙江省

    Land use change; Driving force; Grey forecast; Regression forecast; Zhejiang province.

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  • 作者提出更简便预测方法——加权一元线性回归预测法。

    The author proposed a simpler forecast method -weighting single regression linear return forecast method.

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  • 得到回归预测方程有效预测不同浓度水稻种子活力影响

    The gained predicting equation of regression could predict the effects on rice seed vigour at different Pb concentrations.

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  • 同时分别建立回弹线性回归预测模型BP神经网络预测模型。

    Meanwhile, a linear regression model and a BP neural network model for predicting the springback quantity were set up.

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  • 相关分析回归预测分析表明土壤养分对土壤重金属含量有较大影响。

    Correlation and regression analyses showed that soil nutrients contributed substantially to heavy metal contents in the so...

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  • 利用统计方法影响企业产品销量相关分析回归预测提出了相关建议

    With statistics methods some relevant elements which have influence on sales and products structure is analysed, the regression calculation is done and some related Suggestions are made.

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  • 文章提出PSO优化参数SVM回归预测模型,并将用于短期电力负荷预测

    A short-term load forecasting model based on SVM is presented in which the parameters in SVM are optimized by Particle Swarm Optimizer (PSO).

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  • 具体回归预测指数平滑法灰色模型预测法、BP神经网络法RBF神经网络法。

    Such as the return of specific prediction method, smoothing index, grey model prediction, BP neural network, RBF neural network .

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  • 基于分贝叶斯空间重构理论,提出含噪混沌时间序列相空间线性回归预测模型

    We present a linearly regressive prediction model for noisy chaotic time series phase space based on variational Bayesian and phase space reconstructive theory.

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  • 思想各类具体算法相结合其他领域已有很多应用其中包括数据维和回归预测

    The thinking combined with various specific algorithm have many applications in other fields, including data Dimension reduction and regression forecast.

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  • 由于客观世界上存在灰色信息,通常回归预测中为了问题简单化不考虑灰色信息

    In order to simplify the problem in regression forecasting, we don t often consider gray information.

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  • 提出一种基于局部加权回归预测运动轨迹学习方法尤其是与边界碰撞运动轨迹。

    Thirdly, a learning method based on Locally Weighted Regression is proposed to forecast the motion of the ball, especially after the ball bump into wall.

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  • 修正阿伦尼斯公式基础上,提出固体推进剂贮存寿命整体预测方法两步回归预测方法。

    Based on modified Arrhenius formula, an integral method and a two-step regression method for storage life prediction of solid propellant are presented.

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  • 优子集回归预测方法天气预报等领域得到了越来越广泛的应用,方法本身没有涉及图形处理

    The optimum subset regression prediction method is used widely in weather forecasting fields, but it doesn't mention the graphic processing.

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  • 本课题成果对于税收收入预测体系特别是基于回归预测滚动预测方法具有一定参考价值

    The result of the thesis certainly has reference value to revenue prognostic system, especially to the method of regression forecast and roll forecast.

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  • 本文将利用线性回归预测方法节块合金胎体的硬度合金主要成分之间关系进行初步的探讨。

    The linear regression calculation method was used in studying the relationship between hardness of alloy and its composition.

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  • 文中给出RTVAR模型GRTVAR模型参数估计方法,建立广义回归—时变自回归预测公式

    The parameter estimation of RTVAR and GRTVAR models and the GRTVAR prediction formulas are also established.

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  • 最小二乘支持向量回归预测对训练样本数据区间内预测精度很高,但是对前外推预测效果不是很好;

    RBF neural network is applied to time series forecast with the same data in order to compare the forecast effect with LS-SVM model.

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  • 论文采用回归分析预测建立回归预测模型预测公司近期2009年至2013年公司的货运需求

    Paper establishes a regression prediction model to predict the company's freight demand from 2009 to 2013.

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  • 结果表明PPR模型预测效果明显优于逐步回归预测模型,福建热带气旋年季频数具有较好的预测能力。

    The results show that the forecasting precision of the PPR model is much better than that of stepwise regression (SR) model.

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  • 证明了利用双曲正弦函数变换提高数据光滑程度,给出改善的自回归预测方法,并且举例加以论证

    This paper proves that the smooth degree of a data row can be increased by transforming the counter-hyperbolic sine function.

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  • 提出了“利用反双曲正弦函数变换提高数据光滑程度结论,获得了递增时间序列改善的自回归预测方法

    A new conclusion is put forward, in which the smooth degree of the data row can be enhanced by means of the arc-hyperbolic sine function transformation.

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  • 建立用电需求量主要影响因素之间多元线性回归预测模型,经过回归检验,确定了优化的多元线性回归预测模型。

    The multiple linear regression model for forecasting the electricity demand and factors affecting it was established consequently and was optimized by regression tests.

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  • 分析上海1995—2004年度每年垃圾产生量数据,由此提出应用城市垃圾预测多元线性回归预测模型

    Analyzed the Shanghai for 1995 to 2004 year trash to have the quantity data every year, from this proposed might apply to the town refuse forecast many Yuan linear return forecast model.

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  • 提出一种 自适应回归ADAR预测模型根据谐波过程特性变化适应 调整 自回归预测模型参数乃至结构。

    ADAR(ADaptive AR) predicting model is presented, whose parameters and exponent number can be adaptively tuned according to the characteristic variation of harmonic.

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  • 本文介绍了用最小二乘法进行线性回归预测方法分析不足,即存在极端异常情况时,往往存在着较大的预测误差

    In first the linear regression model resulted from least square method is presented and its disadvantage is analyse, great forecasting error exists when extreme abnormal case exists.

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  • 结果显示,最小二乘支持向量机回归预测时序预测相结合的预测方法应用于地下工程围岩位移监测数据分析预测可行的;

    Combining the advantages of regression analysis methods and time series forecast model with equal step length, a compound forecasting model was set up , and was tested with engineering data.

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  • 回归系数回归模型未必都不科学,在某些特定条件下有些含佯谬系数的回归预测模型可科学合理地反映研究对象客观变化规律

    Under given conditions, the some regression forecasting models of containing feign mistake regression coefficient, exactly correspond to the objective law of the target of study.

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  • 回归系数回归模型未必都不科学,在某些特定条件下有些含佯谬系数的回归预测模型可科学合理地反映研究对象客观变化规律

    Under given conditions, the some regression forecasting models of containing feign mistake regression coefficient, exactly correspond to the objective law of the target of study.

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