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parameter estimating
相关语句
  参数估计
     A New Parameter Estimating Method for IRT 3PLM-Genetic Algorithm
     IRT中3PLM参数估计新方法—GA算法
短句来源
     Parameter Estimating Methods for the Three Parameters Weibull Distribution
     三参数Weibull分布几种常用的参数估计方法
短句来源
     in this paper, the dynamic characteristic of freeway traffic demand,which includes the change of time,vehicle random arrival and parameter estimating error, is discussed. In order to reduce the impact of the dynamic characteristic on mainline capacity, the method of dynamic demand O-D matrix is presented. Finally,the results of this method are compared with those of computer simulation.
     从时间变化、车辆到达的随机性以及参数估计误差等三个方面讨论了高速道路交通需求的动态特性,这种动态特性在高速道路交通需求预测时对断面通行能力有折减影响.为了尽可能减小对通行能力的折减影响,就需减小需求O-D矩阵的估计误差,由此提出了动态O-D矩阵的估计方法.最后通过计算机仿真,比较了估计的结果.
短句来源
     (Not require known ability)3. Rewrite several test statistics, and apply them to parameter estimating for IRT3PLM.
     3.将多个检验统计量经过改写,应用于IRT的3PLM参数估计
短句来源
     A Method of Parameter Estimating Based on the Edge Detection of Movement
     一种基于运动边缘检测的参数估计方法
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  参数估算
     In this paper the temprature control model of vacuum brazing furnace has been set up and the method of parameter estimating is described by means of analyzing its heating mechanism.
     本文根据电阻式真空钎焊炉加热的机理,介绍了用分析法建立其应用温度控制数学模型和参数估算方法。
短句来源
     This system's functions mainly consist of data Pretreatment, data file management, data statistical analysis and genetic parameter estimating.
     该系统包含数据预处理、数据文件管理、数据统计分析及遗传参数估算四部分。
短句来源
     In this paper, a set of water circling dynamic mathematical model and simulation strategy is established for the heating , oil-burning and hot-water boiler? The basic equations of the reinforcing water pump? the circling pump and the press point are brought forward and the parameter estimating methods of the model are given?
     该文介绍“锅炉仿真培训系统”中采暖燃油热水锅炉水循环动态数学模型及仿真策略 ,提出了补水泵、循环泵和压力节点的基本方程 ,给出了模型参数估算方法和模型求解策略 ,举例说明了热水锅炉采暖外网持水量估算方法 ,最后介绍了该模型的特点和实际应用情况。
短句来源
  参数估值
     This text forms the synthetic prediction soflwarc system with use some parameter estimating algorithms , some parameter prediction mcthodc . some system prediction mcthodc and varying structure system on Multi-Level Recursive Prediction Method.
     本文在现有的一些参数估值算法、参数预报方法和系统预报方法的基础上,结合变结构系统多层递阶预报方法,建立了多模型、多算法、多方法的“综合预报软件系统”.
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  “parameter estimating”译为未确定词的双语例句
     DR Algorithms and Parameter Estimating in DIS System
     DIS 系统中的 DR 算法与参数递推
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     Parameter estimating and reliability analyzing for EV model with incomplete data
     非全数据EV模型的参数辨识及可靠性分析
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     A master-slaver system with IBM-PC/AT and TMS32010 is designed, which leads to the data sampling and parameter estimating syneh-ronicaily.
     设计了PC/AT和TMS 32010组成主从系统,使语音采样和参劲估计同步进行,达到了实时性.
短句来源
     In fixed effect model and random effect model of dynamic panel data, we summarized the OLS method with instrument tool method of parameter estimating.
     总结了动态平行数据模型的固定效应与随机效应模型的最小二乘估计 (OLS)与工具变量估计(Tool)方法 .
短句来源
     A Method for Parameter Estimating of Single-look Generalized Polarimetric K-distribution
     一种单视广义极化K-分布纹理参数的估计方法
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  parameter estimating
Application of martingale arguments to the regression parameter estimating function show the Breslow (1974) estimator to be consistent and asymptotically Gaussian under this model.
      
Compared with other traditional methods, this control law reduces on-line parameter estimating burden.
      
The 15 L volume provides sufficient biomass to conduct parameter-estimating experiments from a BNR-functioning biomass.
      
This concept is consistent with low-order autoregressive linear models, and is routinely used for parameter estimating.
      


The data of F1 hybrids and their respective parents of 14 wheat crosses with a constant parent Nung-ta 139 were analysed by the constant parent regression (c.p.r.) method. The fundamentals of the c.p.r. analysis were briefly illustrated, genetic parameters of eight characters such as the coefficient of c. p. r., combining ability, heritability and others were estimated.Heading date was estimated to be the highest narrow-sense heritability, and head length the highest general combining ability,...

The data of F1 hybrids and their respective parents of 14 wheat crosses with a constant parent Nung-ta 139 were analysed by the constant parent regression (c.p.r.) method. The fundamentals of the c.p.r. analysis were briefly illustrated, genetic parameters of eight characters such as the coefficient of c. p. r., combining ability, heritability and others were estimated.Heading date was estimated to be the highest narrow-sense heritability, and head length the highest general combining ability, while grain yield per plant the lowest for the two parameters.The parents and their crosses were evaluated on the basis of these genetic parameter estimates.

用以农大139为共同亲本的14个杂交组合的F_1及相应亲本的资料,进行了同亲回归(c.p.r.)分析。文中简述了c.p.r.法的基本原理,并估算了F_1代抽穗期、株高、千粒重及单株粒重等8个性状的c.p.r.系数、配合力及遗传力等遗传参数。 结合试验结果,讨论了有关亲本选配及组合淘汰等问题。

For a determined mathematical model, it is not only necessary to obtain the estimates of parameters, but also their reliabilities. The present work deals with a sequential statistical design strategy for an experimental program to obtain precise parameter estimates for a nonlinear kinetic model. It aims at decreasing the indeterminatness of the parameter estimates, in reducing the correlation between parameter estimates, and in increasing the adequacy and accuracy of the model.

对一个确定的模型,不仅要确定参数的估算值,还必须了解其可靠性。为了缩小参数的不定性,降低参数间的相关性,以扩大模型拟合的适定性和准确度,本文讨论了参数精确估算的序贯设计过程。 文内还详细讨论了精估参数的实验设计准则——最小联合置信容积准则和形状准则,以及序贯设计的实用价值。以氨合成为例,用序贯法精确估算了反应速度模型中的参数。这一模型是在序贯判别过程中选定的。把精估结果用于拟合大型生产过程的实测数据,得到了满意的结果。

Weibull distribution is fitted to the wind speed data obtained from the tower of 164m in height in Nanjing. The mean total power densities and the mean effective power densities were computed using weibull parameters estimated by three methods. It was found that the relative errors of the power densities to the observed(Tab. 4 and Tab. 5)are all less than 8 percent for the method using the mean and the standard deviation of the wind speed, smaller than 27 percent for the least-squared method and 20 percent...

Weibull distribution is fitted to the wind speed data obtained from the tower of 164m in height in Nanjing. The mean total power densities and the mean effective power densities were computed using weibull parameters estimated by three methods. It was found that the relative errors of the power densities to the observed(Tab. 4 and Tab. 5)are all less than 8 percent for the method using the mean and the standard deviation of the wind speed, smaller than 27 percent for the least-squared method and 20 percent for that using the mean speed and the mean maximum(seasonaly). It was also found that the errors for the mean total power densities are less than for the effective densities for each method.

本文应用Weibull分布拟合南京164米塔三个高度上风速的概率分布。三种方法用于估计weibull分布参数,进而估计总平均风能密度和有效平均风能密度,对各种方法的计算结果作了比较分析。

 
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