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- The parameters of the model are fuzzily processed and the fuzzy risk can be evaluated by using the modified first order second moment method. 通过对模型中的参数进行模糊化处理，用改进一次二阶矩法计算了地下水过量开采的模糊风险率。
- Furthermore the computer program ISM for analyzing structural reliability is developed by using Advanced First Order Second Moment method and Important Sampling Monte-Carlo method. 分析了4种损伤：即疲劳、凹坑、腐蚀和海生物损伤，并推导出时变构件可靠性计算的有关公式。
- part second order and second moment method 部分二次二阶矩法
- First Order Second Moment method 一次二阶矩法
- advanced first order and second moment method 改进一次二阶矩法
- Application of Part Second Order and Second Moment Method in Highway Slope Structural Reliability Analysis 部分二次二阶矩法在公路边坡可靠度分析中的应用
- second moment method 二阶矩法
- Earth by Galerkin's Moment Method,” IEE Proc., Gener. Transm. 赖耿阳编著，接地电极设计图说;复汉出版社;2001.
- In the last days of the second moment a great war is to be concluded with judgment and a global conflagration lasting 1,468 years. 在第二片刻的最后日子，一场世界大战最后是随着审判而来，一场全球的大火灾持续了1，468年。
- Electric multipole moment method is a simple and applied method of solving problems in electrostatic field. 摘要电多极矩法是处理静电场问题的一种简单而实用的方法。
- The novel definition of the eigen-driven mode is given in antenna array analysis by the Moment Method. 摘要给出矩量法分析天线阵列时本征激励模式的不同定义。
- It has also been shown that the relationship between the second moment and the square of peak width at1/4 height is linear. 并证明了二阶矩与1／4峰高处峰宽的平方成线性关系。
- The distribution parameters have been estimated with either the maximum likelihood method or a modified moment method. 对其中的参数分别用极大似然法和改进的矩法进行了估计。
- Parameters, based on the NGLDM, such as fineness, coarseness, entropy, second moment, and non uniformity parameter were introduced to describe the texture of froth. 引入了基于该矩阵的细度参数、粗度参数、二阶距参数、熵参数及不均匀性等特征参数来描述泡沫的结构 .
- The second moment of the least squares estimator in the nonlinear regression model is obtained in this paper in terms of two kinds of curvatures defined by Bates and watts. 本文从似然方程的二级近似出发,求出了非线性回归模型最小二乘估计量(LSE)的二阶矩与Bates and Watts定义的二种曲率之间的关系。
- Moment method is used to calculate the element current and scattered field, and we define this scattered field as the Active Element Scattering Pattern (AESP). 进而由矩量法得到单个阵元上的电流分布和散射场，并定义为单元的特征散射方向图。
- Based on the concept of the moment method, the poly-dispersed particulate matter (PM) generated during pulverized coal combustion was partitioned into fine-mode and coarse-mode. 基于矩方法将燃煤生成的典型多分散性颗粒系统分为粗颗粒和细颗粒两个模态,构造了较完整的颗粒物迁移过程的计算模型。
- For large curvature arch, the neutral axis does not pass through the centroidal line of the cross-section, so the moment of inertia is not consistent with the second moment of area. 大曲率拱中,截面形心轴与中性轴不重合,其截面抗弯惯性矩与不考虑曲率影响的截面面积二阶矩有一定的差别;当截面尺寸相对拱弧长来说较大时,此时拱为深拱,剪切变形的影响不能忽略。
- Practically, the application of options implied second moment, implied volatility, is very popular, but the study of implied third moment, skewness, and fourth moment, kurtosis, is seldom. 摘要:实务上，选择权价格所隐含之二阶动差（即波动率）应用得非常普遍，但有关所隐含三阶动差（偏态）及四阶动差（峰态）之研究则较为少见。
- In this paper, Archimedean spiral antenna is analyzed using a mixed potential integral equation, and the equation is solved by the moment method incorporating with curved piecewise triangle sub-domain basis and pulse testing functions. 从混合位积分方程出发,采用矩量法结合曲线分段的三角基函数和脉冲检验函数分析了阿基米德平面螺旋天线,给出了输入阻抗,电流分布以及辐射方向图结果。
