By changing the problem into a mixed problem with initial value at negative infinity and proving the existence and uniqueness of the solution to the producing problem,it discusses the propagation of pulses at t=-∞ and introduces a scattering operator to describe the process that the.
通过变量变换,将问题转化为负无穷远处的初、边值问题,证明解的存在唯一性,引入线性解讨论脉冲波在t→-∞的传播性态,并引入散射算子说明了脉冲波越过焦点的过程。
There were a simple direct relation between the two density matrices, which shows that the electron cloud shape of excited atomic state and scattering dynamics can be described through the observable Stokes parameters of photon in electron-photon coincidence experiment.
根据密度矩阵理论,导出了受激原子态P态密度矩阵元和P态退激辐射的光子密度矩阵元的Stokes参数,它们之间存在一种非常简单直接的关系,说明在电子-光子符合散射实验中,通过测量光子的Stokes参数,就可以描述受激P态电荷云分布和散射过程的动力学。
Numerical Methods for Analyzing Electromagnetic Scattering from Electrically Large Concave Objects in Complicated EM Environments;
含电大凹面导体结构的复杂电磁环境散射场计算方法研究
Neural Network Wind Retrieval from ERS-1/2 Scatterometer Data;
神经网络反演散射计风场算法的研究
Using TDIE Method to Calculate the Scattered Field in Time Domain for NURBS Surface;
应用TDIE法计算NURBS曲面的时域散射场
Visual Method of Near-field EM Scattering Computation for Complex Targets
复杂目标近场电磁散射的可视化计算方法
Coupling of exterior/interior field with BEM and numerical simulation of acoustic scattering of fluid target
边界元计算内外声场耦合及流体目标声散射
Calculation Method of Q Resolution Function of Small-angle Neutron Scattering in Gravity Field
重力场中子小角散射Q分辨函数计算方法
High-resolution Calculation and Simulation of 2-D Near-field High-frequency Scattering Characterization for Underwater Targets
高分辨水下目标近场二维散射特性计算及仿真
On Incremental Edge Diffraction Coefficients
用微分边缘绕射系数法计算多边形平板的散射远场
The Characterization of Random Surfaces by Speckles and Light Scattering and the Simulational Computation of the Near-field Speckles Using Method of Green s Function;
随机表面的散斑与光散射标定法及近场散斑的格林函数法计算模拟研究
Temporal and Spatial Characteristics of Sea Surface Wind and Significant Wave Height in China Seas;
中国海散射计风、浪算法研究及海面风场、有效波高的时空特征分析
The Pseudospectral Method Calculation of Tide Field and Particle Random Walk Simulation of Radionuclides in Daya Bay
大亚湾潮流场拟谱法计算及放射性核素扩散的粒子随机行走模拟
The Application of Symplectic Schemes in the Time-domain Electromagnetics Scattering Computations;
辛算法在时域电磁散射计算中的应用
Transforming algorithm of near-field to far-field for spherical wave circular scattering
球面波环式散射远近场变换算法研究
The discrete coordinate method was used in the computation of multiple scattering.
其中多次散射的计算采用了离散坐标法。
scattering angle reactor physics computer code
反应堆物理散射角计算机代码
Computer Emulating on EM Scattering of Composite Two Dimensional Targets
二维复杂目标电磁散射的计算机仿真
Recalculation of Compton Scattering on Charged Pions
π~±介子上康普顿散射过程的重新计算
Study of Light Scattering Calculation and Visualization by Single Sphere on a Plane;
平面上小球光散射计算及可视化研究