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- Calculation of Radiative Recombination Cross Secitons Using Distorted Wave Approximation 辐射复合截面的扭曲波计算
- distorted wave approximation 失真波近似法
- The peripherality of this reaction was also verified by changing the radial parameter limit in distorted wave Born approximation(DWBA) calculations. 通过改变DWUCK4程序中径向积分的下限,验证了该反应的周边性。
- The He 2+ +H Impact Ionization process is investigated using a continuum distorted wave method with the eikonal initial_state(CDW_EIS) approximation. 利用初态程函近似的连续扭曲波方法研究了He2+离子与H原子的碰撞电离过程.
- The cross section of inner-shell excitation followed by auto-ionization and total ionization cross section of lithium-like ions by electron impact have been calculated by using a distorted wave Born exchange approximation. 利用扭曲波玻恩交换近似,计算了类锂离子的电子碰撞激发-自电离截面和总电离截面,与紧耦合计算及实验数据比较,得到了比较令人满意的结果。
- The direct process for (n,p) or (p,n) reaction is treated as a knock-out reaction and calculated by conventional DWBA (distorted wave Born approximation) theory in the zero-range approximation. 将(n,p)或(p,n)反应的直接过程看成是一种敲出反应并用通常的在零程近似下的DWBA理论进行计算。
- distorted wave born approximation 扭曲波玻饵似
- distorted wave impulse approximation 扭曲波脉冲近似
- Under rotating wave approximation, the total coherent Hamiltonian of photon-phonon coupling system driven by incident field is introduced. 在旋转波近似下，得到在入射光驱动下光子－声子耦合体系的总的相干性哈密顿算符。
- distorted wave Born approximation theory 扭曲波玻恩近似理论
- The modulation index can be increased by using distorted wave forms that contain only triplen (multiples of three) harmonics. 通过使用只含有三次谐波的波形作为载波可以提高这个调节指数。
- The differential cross sections of ( e,2e ) reaction for electron impact lithium atom have been calculated with distorted wave Born approximation(DWBA) method at incident energy 400 eV and 200 eV. We also study the influence of distorting potentials. 采用畸变波玻恩近似 (DWBA)方法 ,计算了入射能量为 4 0 0eV和 2 0 0eV的电子碰撞锂原子 (e,2e)反应在非共面对称几何条件下的三重微分截面 (TDCS) ,并研究了极化势对TDCS的影响。
- The electron-impact ionization cross sections for H-like ions He,C,Ne,Si,Ca and F e were calculated with the distorted wave Born exchange approximation. The results were compared with the S.M. 在扭曲波库仑玻恩交换似近下用编制的计算程序计算了类氢离子He，C，Ne，Si，Ca，Fe的电子碰撞电离截面，并将结果与Younger的扭曲波结果作了比较。
- In this paper, the scattering amplitude is expanded by two eikonal wave functions which propagate along the incoming and outgoing directions respectively to replace the distorted wave functions in DWBA. 本文以沿入射方向和沿出射方向传播的两个程函波函数取代DWBA的扭曲波,将散射振幅展开。
- By using R matrix method total and single differential Cross sections for electron impact ionisation of atom Na at 20,50,and 100 eV incident energies in the distorted wave and the Coulomb Born approximations. 使用R?矩阵方法， 在扭曲波和库仑?玻恩近似下计算了入射电子能量为20 eV、50eV 及100 eV 原子Na 的电子碰撞电离截面， 并详细给出了入射电子能量为50 eV 时的能量微分截面及分波能量微分截面。
- LASER LINEWIDTH WITHOUT ROTATING WAVE APPROXIMATION 非旋波近似下的激光线宽
- without rotating wave approximation 非旋波近似
- The result of experiment on the sea showed the measured value of wave approximates to the true after using this system over half a year. 经过半年多的海上试验证明,使用该系统后所测量出的波浪数据更接近真实值。
- How dare he distort the facts so brazenly! 他怎么敢如此肆无忌惮地歪曲事实！
- The reporter distorted the facts. 记者们歪曲了事实。
