本文提出了海洋平台结构系统疲劳可靠性分析的一阶二次矩方法。
A first order second moment formulation for systems fatigue reliability assessment of offshore structures is presented.
本文使用矩方法处理了具有随机初始条件的一维波动方程的第一边值问题。
In this paper, moment method is used to deal with the first boundary value problem of one dimensional wave equation with stochastic initial and boundary conditions.
并用广义矩方法进行参数估计，在多种指标的比较下得到了一个较好模型。
I estimate the parameters of different models by GMM, and obtain a better model under comparison by many indexes.
功率密度的二阶矩方法可用于截断光束，并克服了光束质量因子的发散困难。
It is also shown that the second-order moment method of the power density is applicable to the truncated beams and overcomes the divergence difficulty of the beam quality factor.
广义矩方法（GMM）；混合回归-空间自回归（MRSAR）； 过度识别。
Generalized method of moments (GMM); Mixed regressive-spatial autoregressive (MRSAR); Over-identifying.
借鉴结构可靠度分析方法，给出了供水管网抗震功能可靠度分析的一次二阶矩方法。
The mean-value-first-order-second-moment method and advanced first-order-second-moment method are used to analyze the aseismatic serviceability of water supply network.
根据日光温室黄瓜病害的彩色纹理图像的特点，将支持向量机和色度矩方法用于识别黄瓜病害。
According to the features of color texture image of cucumber disease in sunlight greenhouse, recognition of cucumber disease using Support Vector Machine (SVM) and chromaticity moments is introduced.
针对失效状态和安全状态具有模糊性的模糊可靠性分析问题，提出了一种模糊失效概率计算的矩方法。
For fuzzy reliability analysis with fuzzy failure state and fuzzy safety state, a moment method is proposed to calculate fuzzy failure probability.
针对失效状态和安全状态具有模糊性的广义可靠性分析问题，提出了一种广义失效概率计算的矩方法。
For general reliability analysis with fuzzy failure state and fuzzy safety state, moment method is proposed to calculate general failure probability.
用矩方法与Boltzmann方程相结合，推导出气体弱电离环境下粒子所满足的流体力学方程组。
Using moment method, combined with Boltzmann equation, a set of fluid kinetics equations is used to describe the motion of particles in the weak ionization gas.
通过对矩方法的进一步分析，提出基于目标质心与目标上各点间距离之和取得最小值这一特性的质心快速搜索策略。
This paper presents a new fast algorithm by analyzing the moment method, which is based on the character that the sum of distances between centroid and other points is the minimum.
一次二阶矩方法是结构可靠度分析的基本方法．一次二阶矩方法的计算精度依赖于验算点附近功能函数的非线性程度。
The first-order second-moment method is fundamental in structural reliability analysis, its accuracy depends upon the nonlinear extent of performance functions around checking point.
构建动态结构模型，根据2000 ~ 2006年中国上市公司的面板数据，运用系统广义矩方法对其进行了检验。
Based on the analysis of the panel data of China's listed firms from 2000 to 2006, this paper tests the relationship with SYS GMM through establishing the dynamic structure model.
相位统计矩方法利用MPSK信号符号初相位偶阶统计矩为M的单调递增函数的特性，并进行M进制识别复合假设检验。
In the SPM method the composite hypothesis test is performed by means of the monotonic characteristic of the even order statistical phase moments of MPSK signals.
数理统计学原理主要包括：参数估计、统计分布类型、分布拟合检验； 工程结构可靠度理论主要介绍了一次二阶矩方法。
Such as parameter estimation types of statistics distribution tests of distribution hypothesis methods of linear-second order moment, ect.
通过对颗粒的分布作出一个合理的对数正态分布假设，运用矩方法求解颗粒的通用动力学方程，来研究颗粒的尺寸分布情况。
To study the change of particle size distribution, a general dynamic equation is established based on the moment method and the assumption of a reasonable log-normal size distribution.
而GARCH模型参数估计的主要方法BHHH算法和广义矩方法在实际运算中常遇到中间数据震荡从而导致算法整体失效等。
But the methods of estimation of parameter of the GARCH models, BHHH and GMM, may become invalid because they usually meet the situation that the middle data fluctuate greatly.
首先利用色度矩提取植物病害叶片的特征向量，然后利用支持向量机分类方法进行病害的识别。
At first extracting features of chromaticity moments was done then classification method of SVM for recognition of plant disease was discussed.
矩量法(MOM)是一种有效的分析复杂目标电磁特性的数值计算方法。
Method of moments (mom) is an efficient numerical method for the analyses of electromagnetic characteristics of complex objects.
针对运用矩量法计算电大尺寸天线时遇到的严重困难，提出一种基于矩量法的计算天线远场的远区近似(MOM- FZ)方法。
Aimed at the difficulty in calculating an electrically large size antenna by using MOM, a far zone approximate method based on MOM (MOM-FZ) was presented for calculating radar antenna pattern.
用BP人工神经网络分类器进行识别，结果表明矩特征的识别率较高，说明该方法具有良好的应用效果。
The recognition with BP artificial neural net grader shows that the recognition rate of moment features is rather high, this indicates that this method has better applicable effect.
对矩量法矩阵中自阻抗元素的奇异性处理方法也作了详细介绍。
The method for handling the singularity of the self-impedance element in MoM matrix is also presented.
常规散射特性计算方法如矩量法中的广义阻抗矩阵在谐振频率点上条件数过大，导致计算不准确。
The regular numerical algorithm is MOM, whose general impedance matrix has a large condition number at the resonance frequency points, which brings an inaccurate result.
通过应用高温构件蠕变损伤的随机方程及一次二阶矩理论和方法，对高温构件的概率寿命预测进行了研究。
The probabilistic life prediction of high temperature components was studied by using the stochastic equation of creep damage and simple second-order theory and method of high temperature components.
在边界强度直方图中，采用基于矩阈值选取的方法寻找最佳阈值。
In the edge strength histogram, based-moment threshold selection is used to decide the threshold.
这些工作为格林函数快速计算方法的实现以及积分方程的矩量法高效求解打下了基础。
The derivations lay a good foundation for the efficient evaluation of Green's functions and the fast solving of scattering problems by the method of moments (MoM).
探讨利用计算机视觉系统对目标物体平面图形面积和面积惯性矩的测量方法。
A method for measurement of area and moment of inertia of plane figures grabbed by computer vision system is presented in this paper.
同时给出了一个计算响应曲线统计矩的简易方法。
A simple method for the calculation of statistical moment has been proposed.
研究以体积为内部属性的群体平衡模型的矩积分求解方法。
The quadrature method of moment (QMOM) for population balance equation (PBE) with volume as the internal coordinate was investigated.
研究以体积为内部属性的群体平衡模型的矩积分求解方法。
The quadrature method of moment (QMOM) for population balance equation (PBE) with volume as the internal coordinate was investigated.
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