查询词典 observed data

The characteristic of this method lies in transforming improper integral into the usual one. Thus various kinds of usual approximate integrals can be used, and the observed data may be calculated directly and conveniently to obtain necessary numerical accuracy.

该方法的特点是把Abel变换的广义积分变化成通常的积分，这样就能够使用各种通常的近似积分公式直接从实验数据计算到所要求的数据精度。

Based on computing ways by theory models and error evaluating index, to compute using observed data chose from the Yellow River, combining the theory analysis, experimental research and problems in the actual survey, to validate the correctness of theory, researching methods and obtained conclusions.

本文的研究成果直接解决了黄河水文测量中的一些重要问题，研究的方法提出的理论也适用于其它河流和流域，拓宽了水文测量误差研究的领域，推动了水文测量的发展。

A solution to overcome the difficulty could to be the combination of mathematical model and inverse finite element analysis based on the observed data.

因此，利用原型监测资料建立正、反分析模型，以掌握其实际运行状态和变化规律的方法已在水利工程等诸多领域得到深入发展和广泛应用。

By using the observed data, some nonparametric estimating methods, such as jackknife and bootstrap, were used to estimate the numbers of species in the community.

用实测数据对物种数目的非参数估计法的评价表明，用自助法所得到的物种估计数，与客观实际更为接近。

Jeffreys points out that in such cases it is often much better to stick to the theoretical law rather than the observed data.

杰弗里斯指出，在这种情况下，最好还是坚持理论定律，而不要死抱住观察获得的数据不放。

They can be obtaine from m which isthe size of W and maximin an minimin of observed data of W simply and conveniently.

本文第三章图4.3显示，利用正态扩散方式对非完备知识样本的样点信息扩散处理以达到更好的概率密度之估计是可行的。

A maximum likelihood method for the parameter estimation of the delay time model based on observed data is established in this paper.

介绍了基于客观数据的延迟时间模型参数极大似然估计方法，提出了应用优化理论中的单纯形法求解似然函数的算法，为延迟时间模型的参数估计问题提供了可行的解决方法。

The computation method of multi-station geomagnetic diurnal variation correction have been studied. The applicability of the weighted mean value method and function fitting method have been analyzed by the synchronously observed data. The method which are fit for the characteristics of marine magnetic survey has been brought forward.

研究了海洋磁力测量多站日变改正值的计算方法，采用多站同步实例分析了加权平均法和函数拟合法在海洋磁力测量地磁日变改正中的应用，探讨了适合海洋磁力测量特点的多站日变改正值计算方法。

The maj or obj ect of this paper is the medium.small size concrete dams that have been used for many years.They have the characteristic that the alteration of water height of reservoirs is unobvious and the dams, displacements are affected mainly by temperature.With a case,the method of stepwise regression is used to analyze the vertical displacement prototyDe observed data.Then regression equation is established,the relation of dam,s displacement with hydraulic pressure、temperature、time effect is analyzed and the displacement change rule is obtained,the dam'S displacement onlv dependent to temperature is received.According to the theory of Finite Elements Method,the quasi-stationary temperature field formula and temperature stress formula are deduced.The QTP program and TFEM3D program are written with FORTRAN.The same case is calculated through QTP program to solve the quasi-stationary temperature and through TFEM3 D program to solve the dam'S displacement and find tlle dam,s deformation rule.This rule is accordant with the regression,S resuIt.

本文主要针对运行期间库水位变化很小、坝体的位移主要受温度变化影响的中小型混凝土坝，结合工程实例，采用逐步回归的方法对垂直位移原型观测资料进行分析，建立回归方程，分析坝体位移与水压、温度、时效之间的关系以及位移变化规律，分析结果坝体位移只与温度有关，而基本上不受库水位变化和时效的影响；根据有限元原理推求了混凝土坝准稳定温度场公式和温度应力公式，利用FORTRAN语言编制出QTP准稳定温度场程序和TFEM3D位移场程序，对大坝的温度场和位移场进行计算，求出坝体结点的变温值和坝体结点位移值以及单元应力分量，分析得到大坝的变形规律与实测资料以及回归统计变形规律一致，说明对坝体准稳定温度场的研究是正确的。

Some conclusions are inducted through the study: first, grid nudging with the rountine observed data in the MM5 simulation of atmospheric duct affects less over the sea than the land;Second,how much of sigma levels have great influence on simulation of atmospheric duct and the MM5 simulation with more sigma levels depicting the atmospheric ducts are reasonable; Last, multiple nests are allowed on a given level of nesting domain in the MM5 model.

通过研究得到了以下结论：(1)利用常规资料进行格点同化对海上大气波导影响较小，对陆地影响较大；(2)垂直分层对大气波导特征参数影响明显，层数较多描述大气波导比较合适；(3)对于海上大气波导，细网格刻画大气波导特征参数比较细致，但粗网格的模拟已经足够进行大气波导分析。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。