质心坐标系

有些问题若选用质心坐标系，用这定理求解会更加简便。

Examples are given to show that it is more convenient to solve problems by these laws and that it is easier and simpler to work out solutions especially by the laws in center of mass system .

采用质心坐标系讨论一维碰撞问题。

In this paper , One-dimension collision has been discussed in mass-centre coordinate system .

本文在质心坐标系中讨论了分数量子Hall效应的少粒子体系。

The fractional quantum Hall effect system is analysed in the mass centre coordinate .

介绍一种精确的方法，在质心坐标系中，把量子N体系统的整体转动自由度和内部运动自由度完全地分离开来。

A method without any approximation to separate the global rotational degrees of freedom in the Schrdinger equation for an N - body system completely from the internal ones is presented .

给出的水分子基态势能函数，在质心坐标系中推导了水分子的正则坐标与共轭正则动量和Hamilton正则方程，应用辛格式计算了水分子的经典轨迹和能量，并与Runge-Kutta法做了比较。

Murrell et al , the canonical coordinates and canonical moment as well as Hamilton canonical equations in mass center coordinates have been deduced , classical trajectories and energy of H_2O molecule have been computed . The computed result is compared with the result computed by Runge-Kutta method .

再利用共振群方法（RGM），在质心坐标系下抽取Νη两集团之间的非定域相互作用势，分析势的特点，然后计算结合能，研究Νη是否存在束缚态。

Then use the resonant group method ( RGM ) , extract the non-local interaction potential between the two groups in the space coordinates , by Analyzing the characteristics of the potential , and calculating the binding energy , study the existence of bound states .

质心坐标系在物理学中的应用研究

The application of the center of mass coordinates to the physics

质心坐标系的牛顿-欧拉动力学方程

Newton-Euler dynamics equations for coordinate frame at center of mass

质心坐标系中的两体问题

Two-particle Systems And Center of Mass Coordinate Systime

用质心坐标系分析了二体问题的运动方程，并用质心系讨论了两个粒子间的弹性碰撞问题。

This paper analyses the two body problem of kinematical equation and discusses the elastic collision between two particles in the center of mass system .

选用质心坐标系讨论两体问题，给出有关两体问题的动力学方程并展开讨论，同时又导出三个重要的物理量在质心坐标系中的表达式，最后将所得结果应用于三例具体问题。

In center of mass coordinate system , the equation of motion of two-particle systems is given out , and some important physics quantities are also discussed .

通过把实验数据从实验室坐标系转化到质心坐标系，得到反应产物在不同质心角度下的平动能分布和角度分布。

Data measured in the laboratory frame were converted to that in the center-of-mass frame to obtain product kinetic energy distributions and angular distributions in the center-of-mass frame .

粗粒化势和点多极势在全原子惯性坐标定义的质心坐标系里合并在一起。具体过程，构建新力场，取出成对分子多组不同构象。

The Gay-Berne and point multipole potentials are combined in the local reference frame defined by the inertial frame of the all-atom counterpart . The specific process is this , firstly builds the new force and selects many pairs of different molecular conformation .

以分布式InSAR为例，着重研究了从地心惯性坐标系到卫星质心轨道坐标系的转换方法，详细地推导了具体的转换公式。

Taking the distributed InSAR as an example , this paper lays a strong emphasis on the research of the coordinate transformation methods from the inertial coordinate system to the centroid orbit coordinate system , and deduces the idiographic formulas of them in detail .

在摆位误差校正的研究中，详细讨论了刚性配准和肿瘤靶区质心与坐标系原点重合问题。

In addition we discussed the coincidence between tumor target centroid and the origin of the coordinate system in detail .

为了得到惯性力平衡的条件，首先，机构的质心位置坐标表示成两个输入关节角的函数，然后，由质心应位于坐标系原点这个要求，得到机构惯性力平衡的两个条件。

In order to obtain the balancing conditions , the position vector of the center of mass is expressed as the functions of joint angles . Then , the conditions for static balancing are obtained from the functions .