您要查找的是不是：
- 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.
- relativistic distorted wave method 相对论扭曲波方法
- distorted wave method 畸变波法,畸变波方法
- 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。
- Prospecting metal mine goafs by Rayleigh wave method is introduced. 介绍用瑞雷波法检测金属矿山采空区。
- 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 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。
- Minimum Detective Height and Height Measurement Accuracy Use Diffraction Wave Method to Detect a Crack Height. 衍射波法测定裂纹高度时的最小可测高度和高度测试精度。
- A M - band CMFB with a side lobe of about 45 dB was designed using the optimum equal wave method. 通过分析M带滤波器组和M带复用转换器的完全重构条件;用最优等波纹法设计了一个旁瓣约为45 dB的M带余弦调制滤波器组.
- 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 sound absorption coefficient of three kinds OSB wallboard were tested by the stationary wave method. 采用驻波管法测定了3种定向结构板(OSB)复合墙体的吸声系数；
- 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。
- With plane wave method,it is proved that the 1D-USPC shares the same bandgap character. 利用平面波法证明了一维超声光子晶体具有一般一维周期层叠结构光子晶体的禁带特征。
- 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。
- The theoretical response correlates well with dynamic testing of an engineering pil e by the reflective wave method. 理论计算响应与工程桩的反射波法动测结果有较好的相关性。
- 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。
- The bandgap structure of one-dimensional photonic crystal was calculated and derived with the plane wave method(PWM). 用平面波法研究了椭圆钢柱与环氧树脂组成的三维简立方晶格声子晶体的带隙结构。
- Incorporating quality detection of highway engineering,the principles of Rayleigh wave method are discussed. 结合道路工程路基施工质量检测,介绍了瑞利波测试技术的方法和原理。
- The result showed that surface wave method can find out concrete s flaws,in case its parameters are correctly chosen. 结果表明:只要参数选取合理,面波法能够探测出混凝土缺陷,并且效果明显。
