查询词典 coefficients

This method reveals the combinatorial connections between the binomial coefficients and the Gaussian coefficients.

这种证明方法深刻地揭示了高斯系数和二项式系数之间的组合联系。

The weight coefficients for the fertility indexes are determined by the methods of factor communality and correlation coefficients.

利用因子分析、相关分析和模糊数学原理，针对渍害土壤的10项肥力指标进行了土壤肥力的综合评价。

We show that under appropriate conditions,the SCAD-penalized least squares estimator is consistent for variable selection and that the estimators of nonzero coefficients have the same asymptotic distribution as they would have if the zero coefficients were known in advance.

在一定的条件下，我们证明了SCAD惩罚最小二乘估计的变量选择具有相合性，并且得到非零系数的估计与零系数已知情况下的估计具有相同的渐近分布。

Filter coefficients for the equalizer are selected so as to minimize a cost function for the equalizer, including a correction term as a function of the energy of the filter coefficients.

选择均衡器的滤波器系数以便使均衡器的代价函数最小，包括校正项作为滤波器系数的能量的函数。

The purpose of this thesis is to present a direct perturbative method to solving certain Fokker-Planck equation, which have constant diffusion coefficients and some small parameters in the drift coefficients.

中文摘要本篇论文应用微扰法来解某些Fokker-Planck方程式，而这种Fokker- Planck方程式具有扩散系数是常数以及漂移系数是很小的参数的特徵。

According to the feature of the SARS Chest Radiographic Images, the wavelet analysis method is put forward to dispose the SARS images and the wavelet coefficients are picked up. After the wavelet threshold noise reducing and the wavelet threshold enhancing disposure to the each of the wavelet coefficients, the clear images are reconstructed at last.

摘 要：通过对非典型肺炎的胸部 X 线图像的特征分析，提出采用小波分析方法，对图像做小波变换，提取各层小波分解系数，利用阈值法对各系数作去噪预处理，然后再利用阈值法对各系数做衰减或增强处理，最后重构出清晰图像。

On NAMA negotiations, China supports the idea of a Swiss formula with dual coefficients, as long as the distance between the two coefficients is wide enough, and at the same time, other flexibilities as provided for developing countries should remain intact.

在"非农"谈判中，中国支持双系数瑞士公式，但两个系数之间应有足够的差距。同时应保留为发展中成员所规定的灵活性。

The discharge mechanism of the avalanche in these gases has been analyzed. The variation patterns and impact factors of their effective ionization coefficients, electron drift velocities and diffusion coefficients have been given. The transportation of electrons is closely related to that of ions.

为验证模拟结果的正确性，本文采用PT法获得的SF〓／N〓、SF〓／CO〓和SF〓／Kr的实验结果和模拟结果进行对比，分析了它们的电子崩发展特点，给出了其有效电离系数、电子漂移速度和扩散系数的变化规律以及影响因素。

And the crop water requirement coefficients based on Chinese Evaporimeter and the Crop Coefficients Kc were estimated accordingly.

田间试验设置在灌水定额相同的情况下，灌水方式和灌溉水质(加入0，10和20%的地下咸水)对灌水沟中土壤剖面盐分累积和玉米产量及地下水位的影响。

Studies the effect of extraventricular wind speed at different heights on the thermal transfer coefficients for outer window s of high-rise buildings,establishes a formula for a variety of thermal transfer coefficients for outer window s at different heights.

为研究室外风速随着建筑物高度的变化，对高层建筑外窗传热系数的影响，参考已有文献导出了外窗传热系数随高度变化的计算公式，可用于各种外窗在任意高度下的传热系数计算，对于常用的木窗和钢窗给出300m以下的传热系数和传热系数高度附加率表，可供高层建筑外窗热负荷计算参考。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。