Analysis of the unusual scattering cross section of xenon atom;
氙原子散射截面反常现象的观测分析
Quantum mechanical studies of the scattering cross section for He-CO;
He-CO散射截面的量子力学研究
The interaction potential of Ne-HF system and close coupling calculations of the scattering cross sections;
Ne-HF体系的相互作用势及散射截面的密耦计算
A small scattering cross-section proportional to N4/3 rather than N2 is resulted.
在推导低能中微子与晶体相互作用的散射截面的过程中，引入晶体散射的Bragg限制条件，给出了在中微子波长与散射晶体宏观尺寸可比的条件下整体散射截面同晶体内散射体粒子总数N的4／3次方成比例的结论。
Firstly,the specific expressions of displacement in integral equation for cylinder scatterer and the equations to compute the scattering cross-section of one cylinder obstacle are deduced.
首先,建立了散射位移场满足的积分方程,并推导了单个圆柱或椭圆柱散射体的散射截面计算公式,然后用Matlab进行了编程,给出了一个数值算例,并将计算结果与波函数展开法进行了比较。
This paper deals with this problem using the quantum scattering theory-born approximation,takes account of the influence of the shielding effect of the electron and limited quality of the atomic nucleus to scattering cross-section,carries on the revision to the Rutherford scattering formula according to experimental result.
利用量子散射理论———玻恩近似研究α粒子的散射问题,及散射原子核外电子的屏蔽效应和原子核的有限质量对散射截面的影响,对卢瑟福公式不能说明α粒子小角度散射,进行了修正,得到的结果和实验相符合。
After discussing the two conditions of time related scattering and fix related scattering, the Green function and the approximation of scattering wave function,then differential scattering section, are obtained.
介绍格林函数的定义 ,求法和一般表达式 ,然后就定态势散射和时间相关势散射两种情况分别进行讨论 ,求出相应的格林函数并得到散射波函数的各级近似 ,进而求得微分散射截面 ,此法比较简单、有
Finally, time spectrum of Scattering section for Brownian paricles is studied by using the abtaining conclusions.
本文从Lorents变换出发，导出了运动粒子的散射截面，过渡到低速时结果与有关文献一致；最后应用所得结果研究了布朗粒子的散射截面的时间频谱。
Convergence study of cross sections for low-energy electron scattering from N_2 molecule;
低能电子与N_2分子碰撞的振动共振激发散射截面的密耦合研究
We calculate its radialization correction and make the correlative discussion,obtain the cross section of electron-antielectron collision under chain approximation,and compare the tree-level cross section with the cross section under chain approximation.
对其辐射修正作了相关的计算和讨论,从而得到了电子-正电子碰撞在链近似下的散射截面,并与最低阶的散射截面作了比较。
This paper worked out a new spectrum function by using the Compton scattering cross section in laboratory reference frame.
从实验室坐标系 Compton散射截面出发 ,对其中的谱函数进行了重新计算 ,除了谱函数的共振项系数有修正外 ,还得到一个直接依赖于磁场的非共振项 (磁场项 ) 。
Theoretical study of the effect of potential models on scattering cross sections for He-HF system;
He-HF体系势能模型对散射截面影响的理论研究
Then the scattering cross sections for collisions between He atoms and HF molecules of the ground state under different potentials are calculated by using CC(Close-Coupling) method,and furthermore the chancing regularities of collision cross sections are sum.
首先以与散射数据和实验结果符合较好的BFW势为依据,拟合了He-HF碰撞体系相互作用的ESMSV势,并与其它势进行比较,验证了拟合势的可靠性;然后采用密耦近似方法计算了不同势下He原子和基态HF分子碰撞的散射截面,并将计算结果与散射实验数据作了比较;最后研究了该碰撞体系散射截面的变化规律。
State-state rotational-excitation cross sections,total different scattering cross sections and total partial wave scattering cross sections are calculated for He-HF system by employing the accepted exact close-coupling approximation method at collision energy of 100,150,200 and 250 meV cases,respectively.
运用密耦近似方法计算了能量在100meV下He原子和基态HF分子碰撞的态-态转动激发截面和碰撞能量分别在100meV,150meV,200meV,250meV下的总微分截面和总分波截面;总结了该碰撞体系散射截面的变化规律。
radiative inelastic scattering cross section
辐射非弹性散射截面
thermal inelastic scattering cross sectio
热中子非弹性散射截面
On the high frequency pre-evaluation method of radar cross section of targets;
目标雷达散射截面(RCS)的高频预估方法
Fast and Accurate Simulation of RCS Based on FASTEM
基于FASTEM的雷达散射截面快速、准确计算
Effect of solvent refractive index on Raman cross-section of β-carotene
溶剂折射率对β-胡萝卜素拉曼散射截面的影响
A Physical Optics Solution for RCS of NURBS Surface
基于NURBS曲面的雷达散射截面物理光学算法研究
Theoretical Studies of Photoionization and Electron Collision Scattering Cross Sections of Atoms;
原子的光电离截面及电子碰撞散射截面的理论研究
The figures of differential scattering cross section (DSCS) of the coated sphere are presented.
结论给出了分层介质小球的微分散射截面图。
Research on the application of FDTD method to RCS analysis of naval vessels
有限差分法在舰船雷达散射截面计算中的应用
Studies on Differential Cross Sections of Low-energy Electron Scattering from N_2 Molecule;
低能电子与N_2分子碰撞的微分散射截面研究
The Numerical Computation of Radar Cross Section with Finite-Volume Method in Time-Domain;
时域有限体积方法数值计算雷达散射截面
Numerically Computed the Laser Radar Cross Section(LRCS) of Complex Targets;
复杂目标激光雷达散射截面的数值计算
Using FDTD method to analyze the EM scattering of a coated object;
用FDTD方法计算涂覆目标的雷达散射截面
The measurement of electric-larger ordnance RCS by scaling-methord
缩尺法测试电大尺寸武器系统的雷达散射截面
Efficient method of moments for the computation of RCS
一种高效率计算雷达散射截面的矩量法
On MPI Implementation of Radar Cross Section Parallel Computation
雷达散射截面并行计算中的MPI实现技术研究
Advances on radar cross section reduction of microstrip antenna array
微带阵列天线雷达散射截面缩减技术研究进展
Method of Laser Radar Cross Section Measuring with Atmosphere Condition Changing
大气条件变化时的激光雷达散射截面测量方法