A method to use the grey prediction model and geometric regression model to predict the daily load curve of power systems during the great holiday is proposed. A relevant software is presented.
本文提出了运用灰色预测模型和几何回归模型预测重大节日期间电网日负荷曲线的方法,并编制了相应软件。
We investigate the admissibility of the linear estimate of random regression coefficients under a matrix loss function in general growth curve models.
本文在矩阵损失下研究了一般增长曲线模型中随机回归系数线性估计的可容许性。
Discuss the means of deducing bidding models by linear regression and curve fit method, and further more, acquire rivals' bidding competitive ratio with fuzzy forecasting technique.
研究运用线性回归及曲线拟合手段推导投标报价模型的方法,并进一步运用模糊预测技术研究获取对手的竞标能力值。
On this basis, the authors construct yield to maturity curve and obtain regression equation of the curve through establishing a model.
在此基础上,构造了国债收益率曲线并通过建模获得了收益率曲线的回归方程。
The concrete procedure is: first acquiring full range data and drawing the stiffness curve of the leaf spring by EXCEL, and then calculating the stiffness of the leaf spring by linear regression.
提出了一种全程采集数据,应用EXCEL软件图表功能绘出板簧的刚度曲线,利用其线性回归功能计算出板簧刚度的方法。
The relation coefficient between regression equation and oxidation curve is over 0.9 and the rules of oxidation - temperature and oxidation - time are parabolas.
由计算得到的氧化回归方程与氧化曲线的相关系数可达到0.9以上,高温氧化烧损量与温度和时间均呈抛物线规律。
In this paper, we consider the admissibility of linear estimates of regression coefficients in growth curve model.
本文讨论增长曲线模型回归系数的线性估计的容许性。
Through regression analysis of models, this model proved to have good curve fitting characteristics, relatively high precision models.
通过对模型进行回归分析,证明此模型具有良好的曲线拟合特性,模型精度较高。
A method to calculate the linear creep time curve of polymers with the linear regression through the microcomputer is introduced.
介绍应用微机通过线性回归法,处理线型聚合物蠕变曲线的一种方法。
According to real tested data, it builds up CVC cambering curve equation by polynomial regression. This paper discusses practical significance of the equation.
根据实测数据,采用多项式回归方法,建立CVC辊形曲线方程,并探讨了该方程的重要实际意义。
The model of system loss model caused by wind resistance and bearing friction is established based on the regression analysis of flywheel's free brake curve.
通过对飞轮的自由刹车曲线进行回归分析,得出由风阻和轴承磨损等引起的系统损耗模型。
The correlative coefficients of linear regression function for isochronous stress-strain curve are all higher than 0.
应力-应变等时曲线线性回归函数的相关系数均高于0。
The figure of regression equation of linearise turned from the functional equation of exponential curve is the best line to express the correlation of exponential curve in colorimetric analysis.
在比色分析中,由指数曲线函数方程转换的直线化回归方程的图形,是表达指数曲线相关的最佳直线。
In this study, a suit of formula for mining overburden bed separation volume calculation was developed based on numerical simulation using cube shape curve regression method.
文章的研究基于数值模拟,采用三次样条曲线回归方法,推导出一套计算采动覆岩离层量大小的公式。
Objective To choose the best regression curve equation in the quantitative analysis system of resistin and to establish the regression curve equation.
目的选择抵抗素的定量检测体系的最佳回归曲线和建立回归方程。
Especially, the article using the inverse regression of data fusion method developed by strength test curve are better practicality and applicability.
尤其是本文选用的逆回归数据融合法制定的测强曲线,有更好的实用性和适用性。
Through datum regression analysis and comparing, the HSC strength curve of Hebei province is established, and as a reference to national HSC curve.
通过对试验数据的回归分析比较,提出了河北省高强混凝土测强曲线,并为建立全国高强混凝土测强曲线提供了参考依据。
The quasi-static input-output linear regression equation of the measuring system is established, and the testing results of input-output curve linearity and sluggishness are given.
建立了该检测系统的准静态输入输出线性回归方程;测试了系统的输入输出特性曲线、线性度和迟滞性;
In this paper, we will consider the universal admissibility for linear estimators of regression coefficients under growth curve model with respect to restricted parameter sets.
本文讨论带约束生长曲线模型中回归系数线性估计的泛容许性,给出了回归系数的线性估计在线性估计类中是泛容许估计的充要条件。
The paper presents a new method of selecting intersection points of one class spline regression curve.
本文给出一种样条回归交点选择的新方法。
Linear regression equation is analyzed by using indirect error-smoothing, and nonlinear regression equation is optimally selected by using the method of comparison of mid-point of curve.
用间接观测平差法分析线性回归方程,用曲线中点比较法选择最优非线性回归方程。
As showed the curve regression equations of tree height-age relations matched the sample data nicely and reflected the trees' grown process nicely.
这表明,筛选拟合的树高——年龄导向曲线回归方程很好地拟合了样本资料,很好地反映了树高的生长过程。
The models of collision speed and collision Angle relating to horizontal curve radium and its direction, hard shoulder width and operation speed are derived by regression.
通过回归分别建立了碰撞速度、碰撞角度与平曲线半径及转向、运行速度、硬路肩宽度的相关模型。
The calculating formulae of weighted optimum curve regression model parameter given in this paper possesses high speed of parameter correcting, high precision of fitting and obvious effect.
本文给出的带权优化曲线回归模型参数计算公式,修正参数速度快,拟合精度高,效果显著。
Analyzing the experimental datum by regression, it draws the different influences of the modification of the weights of two kinds of control points on length of NURBS curve.
将实验数据回归分析,在此基础上得出两类控制顶点权因子的改变对NURBS曲线长度不同的影响结果。
The radium of blasting cavity, stress peak value and action time of stress waves are validated by the theory of classical explosion mechanics and the way of curve regression.
借助经典的爆炸力学理论和回归拟合曲线方法,验证了爆炸空腔大小、应力波的应力峰值、应力波的作用时间。
Methods:Power model of non-linear regression was adopted to fit the curve of incidence of malaria, which result is contrast with the same model came from curve estimation method.
方法:对疟疾发病率曲线进行非线性过程的幂函数拟合,并与用曲线参数估计法的幂函数拟合结果进行对比。
With the aid of the testing data, the authors give the distribution laws on the fragmental degree for two kinds of rocks using the curve regression in this paper.
根据现场试验所获得的数据,通过多元曲线拟合处理,给出了二种岩石爆破破碎块度的分布规律。
By comparing their fitting compatibility and the cumulative failure probability curve, the advantage of the Weibull-distribution based regression is concluded.
通过拟合优度和累积失效率曲线形态的对比,说明了威布尔分布用于曲轴失效数据分析的优越性。
By comparing their fitting compatibility and the cumulative failure probability curve, the advantage of the Weibull-distribution based regression is concluded.
通过拟合优度和累积失效率曲线形态的对比,说明了威布尔分布用于曲轴失效数据分析的优越性。
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