矩问题

The method of moment distribution was developed to solve problems in frame analysis that involve many unknown joint displacements.

分布的矩方法的开发是为了解决框架分析问题，涉及很多未知的联合流离失所。

Some key techniques using the Method of Moments in the analysis of receiving performance of array are given.

本文给出使用矩量法分析天线阵接收性能时几个关键问题的处理方法。

As an exact numerical method, the Method of Moments has been extensively applied to electromagnetic simulations.

作为一种严格的数值方法，矩量法已广泛应用于各种电磁问题分析。

The numerical results presented are compared with the results obtained by the traditional method of moments. It is shown that, especially for electrically large targets, the complexity of computation is obviously reduced without sacrificing much accuracy.

将计算结果与传统矩量法计算的结果进行了比较，数值结果表明：在不影响精度的前提下，尤其是对于电大目标问题，本文方法的计算效率大大提高。

In this study, a moment method improved by the third-order normal transformation polynomial for practical slope reliability analysis with random variables having unknown distributions is discussed.

5在实际的结构或岩土工程中，有学者提出用变量正态化转换多项式解决仅知道变量前几阶统计矩的可靠性分析问题。

Hallen type equations combined with almost entire domain polynomial representation of current distribution function are selected to attack the simulation, analysis and comparison of electromagnetic performance of the antenna array under different design parameters.

就高频地波雷达海洋环境监测的一种新颖宽窄波束、软硬件技术相结合的收发共用相控天线阵的设计，选用将Hallen方程与电流分布函数的殆全域多项式展开相结合的矩量法，分析比较了相控天线阵在不同设计参数下的电磁性能，重点分析了互耦的影响以及实施"收发共用"对阻抗匹配的苛刻要求和现有设计在该问题上的技术缺陷，得到了关于该天线阵工程设计的若干结论。

In chapter 4, the in situ measurement system composed of the six-port reflectometer and the coaxial probe is introduced and some guidelines for in situ measurement is highlighted.

第二章建模和计算先对建模方法和反演方法进行了概述，然后建立了同轴探头的谱域全波模型，着重讨论了伽辽金矩量法求解积分方程有关的积分计算问题，分析了同轴探头高次模式的影响，最后给出了波导探头的谱域模型。

The high efficient solution of the equation set was realized by the use of Runge-Kutta method with better stability,and the controlling parameters were optimized by the use of genetic algorithm.

计算结果展示了优化后的控制参数对机构速度、位移及伺服电机转矩的优化控制，解决了该系统机电耦合动力学优化问题。

In order to solve the problem of serious fluctuation of starting current in traditional control scheme, the author puts forward a new kind of starting method which can limit voltage value to achieve the goal of reducing fluctuation of the current by using zero voltage vector during the stage of starting.

文章分析了异步电动机直接转矩控制系统的工作原理及起动过程，针对传统控制方案存在起动电流波动严重的问题，提出一种通过在起动过程增加零电压矢量的方法限制电压值，达到减小电流波动的目的，对此进行了仿真研究，仿真结果表明该方法是有效的。

Therefore, basic methodologies for stochastic seismic and filtering responses of nonlinear structure are studied, the approximate solution methodologies and their practical applications are investigated in the dissertation employing equivalent linearization and moment equations method based on FPK equations and Ito stochastic differential equations. The research works are mainly concerned with the following aspects:Firstly, the differential expression of bilinear hysteretic is studied and a new differential expression is developed, then they are demonstrated.

因此，本文基于FPK方程和伊藤随机微分方程，研究了滞后结构物的随机地震反应和随机滤波问题的基本方法，并利用等效线性化法和矩方程法，研究了非线性结构随机地震反应分析和随机滤波分析的近似解法及它们的工程应用。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷