variance function

The error is related to the two rank partial derivative of the flux function to each factor and the mean variance distribution of each factor on each grid point.

误差食与该通食函数对各要紊的二阶偏导数和各要紊在网格夕乙侧匕的轰全布的均方差有关。

Unlike the traditional method, we directly estimate E and the regression parameters without involving the variance function, the link function, the transformation function and the error distribution function, as a result, the efficiency of the estimators will be improved.

更重要的是本文用一个非常简单的方法估计感兴趣的参数，估计过程中不涉及未知的转换函数、联系函数、方差函数及误差分布函数，因此估计的有效性将被极大提高。

Regarding the variance component linear function minimum norm quadratic unbiased estimates, it is needed to solve the nonlinear simultaneous equation.

对于方差分量的线性函数c′σ2的最小范数二次无偏估计，需要求解非线性方程组，一般没有显式解，只能获得迭代解。

The new scheme could trace the channel characteristic adaptively through time-variance gain design. And the decision information function in receiver was also adopted to correct the gain.

该法通过对常规算法步长进行自适应的科学设计以便跟踪信道特征变化，同时利用接收机判决信息函数修正权系数，克服了常规递归最小二乘（RLS）盲方法收敛速度慢、信道估计性能不高的缺点。

A valid function based on-class and inter-class variance to decide the number of regions was presented.

提出了一种基于类间方差和类内方差的自适应确定分割区域数的方法.

Secondly, recurring to the measurement of risk in financial mathematics and extending the definition of the variance, a risk function of demand is obtained for the price variable.

其次，借助于金融数学中风险的度量，通过推广方差的定义，得到了价格变量的需求风险函数；

Secondly, the author introduces the impulse response function and variance decomposition that illustrates greatly the circs between soybean future price and commodity price.

其次，作者在协整分析中引入脉冲响应函数和方差分解方法，进一步刻画了大豆期货价格与现货价格之间的波动情况与两者间相互影响，从而更好地反映了期货价格发现功能发挥的实际状况。

First, for threshold in the wavelet domain, a semi-soft threshold function that showed the advantages over hard and soft threshold function with respect to variance and bias of the estimated value is used.

对于小波阈值，使用了根据估计值变量和偏差的能显示软硬阈值的半软阈值函数。GMM普遍用于说话人识别系统中，并且在宽带语音中表现出了很好的性能。

The subsequent step is the analysis of impulse response function and variance decomposition, from the point of the qualitative and quantitative view to survey the extent of the margin trading on the stock market.

随后对模型进行脉冲响应函数分析和方差分解分析，从定性与定量的角度测定了融资融券对股市影响的程度。

Conclusion The variance tendency of cellular immune function of both new concomitant immunity mouse model and routine infectious model infected with S.japonicum was generally coincident.

结论日本血吸虫感染小鼠伴随免疫新模型与血吸虫常规感染小鼠的细胞免疫功能变化趋势基本一致，表现为感染早期以Th1细胞应答为主，然后逐渐向Th2细胞极化。

In detail, the variance analysis showed that there were nonsignificant differences among the proportions of the areas of three function zones to the total area in each type of the reserves.

方差分析表明我国不同类型国家级自然保护区3个功能区面积所占其总面积的比例之间均不存在显著差异。