查询词典 variance analysis

Third, the discussion of the corresponding relationship of the real angles to the apparent real angles is performed, the asymptotic bias and MSE of real angles are given. Fourth, based on above conclusions, the analysis of two typical cases is made by numerical analysis and computer simulation: Case A when the impinging signals are divided into desired signals and interfering signals: it is shown that similar to Cyclic estimation of DOA, the smaller the separation between interfering direction and signal direction, in general, the smaller the estimation variance.

首先，研究了无穷快拍时信号数目有误的最大似然估计，引入了视在真实角度的概念；其次，导出了视在真实角度最大似然估计大样本时的分布以及渐近均方误差的解析表达式，而且还证明了：Stoica性能分析结果是现在的分析结果在信号数目准确时的特例；第三，讨论了真实角度与视在真实角度的关系，给出了真实角度的渐近偏和渐近均方误差；第四，依据前面的结果，利用数值分析和模拟实验的方法对两种典型情况做了分析： 1 在入射信号被分为干扰信号和所需信号情况下：结果表明：与CyclicDOA估计一样，干扰方向与所需信号方向靠的越近，所需信号估计的方差越小，越远离，方差越大。

Theoptimeter growthing environment of Anthurium andreanum seedlings wastested by the photosynthetic rate;The important factor of the soilless culture of Anthurium andreanum seedlings was decided by variance analysis of the total areas of leaves, height of seedling, the content of chlorophyll, photosynthetic rate;The best statistical level was defined by Duncans test;The optimum substrate and nutritional solution were determined by analysis of the major components; The requirements of macro- element at the different growth period have determined by the timing of flowering and measuring the content of N, P, K, Ca , Mg of leaves which can offer the theory of the soillessculture of Anthurium andreanum.

测定各处理组合的总叶面积、株高、叶绿素含量、光合速率等形态、生理指标，并对这些指标进行正交试验的方差分析来决定影响安祖花无土栽培的主要因素。通过对主要因素各水平进行新复极差检验得出最好的水平。综合考虑主要因素和水平找出最适合安祖花无土栽培的基质、营养液。观察各处理安祖花初花期的早晚，并通过测定不同时期叶片中的N、P、K、Ca、Mg的含量，确定安祖花不同生长时期对大量元素的需求情况，为今后更好的进行安祖花无土栽培提供理论依据。

Generalized linear models, which can model a large variety of data, have a wide area of application. The class of GLMs includes, as special cases, linear regression, analysis-of-variance models, log-linear models for the analysis of contingency tables, logistic models for binary data in the form of proportions and many others. Usually, the parameters in the generalized linear models are estimated by the method of maximum likelihood . But, in the literature, the nonrobustness of the maximum likelihood estimator forβhas been studied extensively. The quasi-likelihood estimator of the parameter of the generalized linear model shares the same non-robustness properties.

广义线性模型，可用于对多种类型的数据进行建模，是应用非常广泛的模型，线性回归模型、方差分析模型、用于列联表分析的对数线性模型和逻辑斯谛模型等都是广义线性模型的特例，通常，我们用极大似然的方法估计广义线性模型中的参数，但是，在文献中，对参数β的极大似然估计的非稳健性已经有了广泛的研究，广义线性模型的拟似然估计也显示了非稳健性。

Then we used microgram analysis instrument to collect and analyze the average gray value of cellular plasma staining , used SPSS11. 5 software to process data with analysis of variance and S - N - K .

从吸烟，脑梗死及VCAM-1三方面揭示吸烟对脑梗死的影响及其分子机制(VCAM-1的表达)，为吸烟引起的脑损害及其防治提供理论依据。

Analysis: Scores were compared using analysis of variance and multiple regression.

分析：使用方差分析和多重回归对结果进行对比。

The results of multivariate analysis of variance and multiple regression analysis validated the moderating effect of the stage of organizational change on the relationship between change leadership and organizational performance.

研究使用了多元方差分析和多元回归分析等统计方法，对组织变革的不同阶段，变革领导力与组织绩效问的关系模式进行了比较并发现了差异，验证了组织变革阶段在变革领导力与组织绩效间的缓冲作用。

The integration of visual features in short-term memory was studied in an analysis of the accurate rates at different secondary task conditions, different set sizes, and different detection tasks with multivariate analysis of variance.

实验二和三分别测试在这三种次级任务条件中被试对不同数量(3，6)的客体的两个特征信息及其特征捆绑信息的短时记忆成绩。

Based on the current literature, this study sets up concept model and does a theoretical and empirical study using the method of path analysis and multivariate analysis of variance to investigate the relationship among the variables and the moderating effect of the degree of customer participation.

依据文献建立观念性研究框架，运用路径分析研究变量间的关系，探讨顾客参与程度对感知控制和顾客满意关系的调节效应。

The patient cases were collected and computerized by the designed survey, the data was analyzed by using univariate analysis and multivariate analysis of variance statistic approach.

采用回顾性调查方法，对所有病例按设计好的调查表进行摘录、入机，逻辑检错后，用EXECEL、SAS8.2软件进行分析，采用单因素和多因素统计方法对数据进行分析。

The study used 4×3×2 multivariate analysis of variance, made path analysis about self-concept on junior middle school students in the northwest China region and academic help-seeking.

以西北初中生自我概念、西北初中生学业求助态度、西北初中生学业求助行为的各个子维度为因变量，进行4×3×2的方差分析，并且做了西北初中生自我概念对学业求助的路径分析。

Bob Eckert has been chairman and chief executive of Mattel for eight years.

美泰董事长兼首席执行官鲍勃·埃克尔特在任已8年。

The outlook for honors and disgraces carries on and surpasses the traditional outlook for honors and disgraces theoretically, and carries on and develops the theory of construction of socialist mora...

社会主义荣辱观的提出在理论上是对传统荣辱观的一次继承和超越，是对社会主义道德建设理论的继承和发展，在实践上有利于形成良好的社会风尚。