查询词典 moments method

We make a concise review of this method and use it to calculate the radiative decays of the vector mesons, the baryon magnetic moments, the isospin symmetry breakings in π,ρsystem and πNN coupling constants. All of our results agree well with data.

我们对这一方法作了扼要的评述，应用它计算和分析了矢量介子的辐射衰变宽度，重子磁矩，π和ρ体系的同位旋对称性破缺以及πNN 耦合常数的同位旋对称性破缺等，都得到了与实验符合得很好的结果。

The method of moments is used to analyze and calculate the broadband characters of impedance,voltage satanding wave ratio,gain and radiation pattern of larger angle LPDA,and the relation between these characters and the parameter of antenna construction is discussed in this paper.

本文采用矩量法分析和计算了对数周期天线在张角较大时，它的阻抗、电压驻波比、增益及方向图的宽带特性，讨论了这些特性与天线结构参数之间的关系。

According to the UL-incremental method, a new three-dimensional Euler-beam element which taking into account the effects of beam-column、moments and torsions is derived and geometric stiffness matrix expression of the element is given out.

采用UL增量法重新推导了计及梁柱效应、弯曲及扭转效应的三维欧拉梁单元，并给出几何刚度矩阵的显式表达式，编制了相应的三维几何非线性分析程序，对程序的主要功能及新梁单元的可行性进行了考核。

The theory of the method of moments is introduced firstly in this thesis, and some basic functions and testing functions are discussed, how to compute the radar cross sections of two-dimensional conducting objects and dielectric scatterers are also elaborated.

论文首先介绍了矩量法的基本概念及基本基函数和检验函数，其次阐述了矩量法求解二维导体目标和介质目标雷达散射截面的步骤。

Based on the measurements of the bending moments of two retaining pile s in an excavation, a numerical method is applied to analyze the pile deformation and the binding forces of the top ring beam.

根据成都地区某高层建筑深基坑护壁桩的实测资料，采用数值方法分析了护壁桩在基坑开挖过程中的变形规律。

A mathematical model of computing ship motion in crash stopping is proposed and a new method for dealing with hydrodynamic forces and moments of propeller based on the principle of ship propulsion and manoeuvrability is put forward in this paper.

基於船舶推进和船舶操纵性理论，建议了一个计算紧急停船运动的数学模型，并对其中的螺旋桨水动力和力矩提出了一种新的处理方法。

The electronic structures of cluster Fe8 with D6h symmetry and Fe15 with Oh sysmmetry have been studied by MS-X method..The results show that(1 the exchange splittings of the d-band and the magnetic moments of the Fe-atoms are different in the two clusters;(2)the change distribution in both clusters is not uniform,showing that the electrons are transferred from peripheral atoms to inner atoms,and the spin-directionof the electrons transferred is in accordance with the symmetric characteristics...

用MS-Xα方法研究了Fe8原子簇（具有D6h对称）和Fe15原子簇的电子结构，结果表明：（1）两种原子簇中的Fe原子磁矩及其d能带中的交换劈裂性质互不相同；（2）两类原子簇中的电荷分布不是均匀的，电荷倾向于从外围原子向内部原子上转移，并且被转移电子的自旋方向与原子簇的对称性质密切相关。

The method of computing one dimensional Legendre moments by Hatamian filter is introduced.

介绍了用Hatamian滤波器计算一维Legendre矩的方法。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。