The least square estimate of covariance matrices in the growth curve model with random effects;
该文研究了非线性随机效应模型,为非线性张度大的模型提供了理论和方法。
It has been verified that the partitioned state estimate is identical with the usual full least square estimate.
这样得到的结果与原来把电力系统状态估计作为一个最小二乘方问题处理所得的结果是一致的。
Our research shows that when sample size is greater than 50, the least square estimate of regression coefficiencies has high estimate precision.
结果表明,当样本大小大于50时,回归系数的最小二乘估计具有较高的估计精度;
In this paper, the method of weighted least square estimate is proposed to construct ARMA model, which can be applied in power system load forecasting.
采用加权最小二乘法参数估计方法,得到应用于电力系统日负荷预测和月负荷预测的ARMA模型。
I finished calculating. I estimate you have between 210 and 240 square meters of walls and ceiling.
我算完了。我估计你的墙壁和天花板的面积在210至240平方米之间。
The most recent annual estimate of the number of homeless people sleeping on the streets of New York showed an increase, but Times Square has been an exception.
根据近年来的估计,纽约露宿街头无家可归者的人数有上升的趋势,但时代广场是一个例外。
They estimate theaverage concentration of plastic in this area is about 4,000 pieces per squaremile, though it is as high as 250,000 pieces per square mile in some places.
据他们估计,这一海域的塑料垃圾平均密度大约在每平方英里4000块左右,一些海域的密度最高可达到每平方英里25万块。
They estimate the average concentration of plastic in this area is about 4,000 pieces per square mile, though it is as high as 250,000 pieces per square mile in some places.
据他们估计,这一海域的塑料垃圾平均密度大约在每平方英里4000块左右,一些海域的密度最高可达到每平方英里25万块。
The scientists estimate the lake covered as much as 80 square miles and was up to 1,500 feet deep.
科学家估计,这个湖有80平方英里大,1500英尺深。
The scientists estimate the lake covered as much as 80 square miles and was up to 1, 500 feet deep.
科学家估计,这个湖有80平方英里大,1500英尺深。
The lucius prism array described in the paper is a four-centimeter square, yet the researchers estimate the size could be enlarged to that of a smartphone screen or even a video monitor.
文件中所描述的“卢修斯”棱镜阵列是一个4厘米的正方形,但研究人员估计它可扩大到智能手机屏幕甚至视频监视器那么大。
The minimum mean square error (MMSE) is computed for each decoding state to estimate optimal parameters and to reduce the influence of the bit error.
基于一定的解码状态,声码器通过最小均方误差(MMSE)估计的方法估计最优参数,充分降低信道误码对重建语音质量的影响。
In the new algorithm, a time-variant forgetting factor is introduced to estimate the Mean Square Er-ror (MSE) and change the updating direction of adaptive filter coefficient vector.
新算法使用时变遗忘因子对误差进行指数加权平均来估计均方误差,并使用该因子改变自适应迭代过程中滤波器系数向量的更新方向。
Then, a criterion of estimate and FMLS (Fast Multi-Step Least Square) algorithm proposed by the authors are used to obtain the dynamic model of the heat exchanger.
然后利用估计准则方法及快速多步最小二乘法(FMLS)辨识换热器的动态模型。
The dual-frequency carrier phase observation equation is built and ionosphere-free predigested, the estimate formula of zenith wet delay is deduced with least square method.
建立了双频载波相位观测模型,并将其进行无电离层延迟化简,用最小二乘原理推导了天顶湿延迟的估值公式。
The stress range histogram was used to estimate the effective root - mean - square stress range.
应力范围直方图可用作估算等效均方根应用力范围。
Our simulation results show that for high errors correlation case, new estimate is superior over the moment estimate appeared in literature under mean square error criterion.
若以均方误差作度量估计优劣的标准,模拟显示当误差相关程度较高时,新估计优于文献中常见的矩估计。
This algorithm can realize linear minimum mean square error estimation of yaw rate, and on-line estimate statistical characteristic of system noise and observation noise during vehicle running.
该算法实现了横摆角速度的线性最小均方误差估计,且可对汽车行驶过程中的系统噪声和观测噪声统计特性进行在线估计。
For the ratio estimate in two-stage sampling, the bias and mean square errors(MES) of the estimater value have been obtained, and the estimater value of the MSE has been given.
给出了二阶比估计量的偏差、估计量的均方误差以及均方误差的估计。
The weighted least square iteration computational equations and error estimate equations are given.
给出了加权最小二乘法的迭代计算公式和误差估计公式。
Two alternative means will be provided for making an approximate structural cost estimate: one on a square foot of building basis, and another on volumes of structural materials used.
有两种可供选择的方法将用来进行结构造价的近似估价:其一是根据单位平方英尺建筑面积,另一种则是根据所用的结构材料体积进行估价。
In this paper, the bias of the ratio estimator and the estimate of mean square errors of this estimator with known numerator have been compared and discussed.
给出了分子已知情况下比率估计量的偏差和均方误差以及均方误差的估计,并对两类比率估计量进行了比较。
For estimating the software error intensity of parametric models, weighted least-square (WLS) estimate is suggested for the first time.
对于参数模型软体错误强度,本文首次建议加权最小平方(WLS)估计。
The key of the presented filter is to derive the best estimate of the covariance matrix of the unbiased converted measurements in the mean-square sense.
这种滤波器的关键是在均方意义下推导无偏转换测量误差协方差阵的最佳估计。
The stress range histogram was used to estimate the effective root-mean-square stress range.
应力范围直方图可用作估算等效均方根应用力范围。
As for building square grid, one of the important ways is to estimate the precision of any elements in the grid.
对于建筑方格网来说,重要的方面之一就是可以评定网中任意元素的精度。
Square grid is a common method used to estimate earthwork quantity.
方格网法是工程土方量计算中应用最为普遍的一种方法。
Tracking random targets with Support Vector Regression (SVR) is studied and compared with the Least Square (LS) estimate in this paper.
本文研究了支持向量回归(SVR)在机动目标跟踪中的应用,并与传统回归方法最小二乘法(LS)进行了比较。
Tracking random targets with Support Vector Regression (SVR) is studied and compared with the Least Square (LS) estimate in this paper.
本文研究了支持向量回归(SVR)在机动目标跟踪中的应用,并与传统回归方法最小二乘法(LS)进行了比较。
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