| 1. | Study of analysis of instantaneous frequency in partial wave method
论局域波法中瞬时频率分析 |
| 2. | Diagnosis to diesel engine piston - liner wear with partial wave method
基于局域波法的柴油机缸套活塞磨损故障诊断 |
| 3. | Study on diagnosis of diesel engine piston - liner wearing faults based on partial wave method
局域波法在柴油机气缸磨损故障诊断中的研究 |
| 4. | Fourthly , the resonance structure disappears in the energy dependence of integral cross - section due to the summation of partial waves
另外在积分散射截面中，由于对各个分波求和，能量几率曲线的振动结构消失了。 |
| 5. | The integral , differential , partial wave cross sections and reaction probabilities are calculated for the three collision systems
计算中采用了lsth 、 bkmp和pk三种势能面，计算了三个碰撞体系的积分截面、微分截面、分波截面和反应几率。 |
| 6. | The results show that the vibrational excitation ( 0 5 , 1 5 ) cross sections are converged using 18 vibrational states and 12 partial waves
研究表明在振动密耦合计算中使用18个振动波函数和12个分波数目，可以得到收敛的0 5 ， 1 5等高激发散射的积分和微分截面。 |
| 7. | Our present knowledge on excited baryons comes mostly from the partial wave analysis ( pwa ) of the irn and kn scattering data before 1980 . there are many ambiguous issues in this field
但近年来这方面的研究进展缓慢，现有的研究结果主要来自二十多年前的n和kn散射实验数据，这一领域还存在许多有待解决的问题。 |
| 8. | At first we analyzed the optical network joins the partial wave - length variable pitch point to the network performance improvement and on how reasonable placed in wdm optical network switching nodes in order to achieve better network performance to improve the effectiveness of the study
本文首先分析了光网络加入部分波长可变节点对网络性能的改善,并对如何在wdm光网络中合理放置转换节点,以达到较好改善网络性能的效果进行了研究。 |
| 9. | Abstract : it is observed that the sommerfeld ' s formula for a progressive spherical wave is not covariant with respectro the rotation of the coordinate system . it contains complex partial waves that are not physical . the standing wave representation of the same formula is shown to be covariant and physical . it is applied to solve the boundary value problem of fiber optics . the radiation modes as well as the guided normal modes are obtained in closed forms . the intensity distribution in various modes is obtained . it is remarked that the mode of critical refraction is missing
文摘:说明了球面行波的索末菲公式在坐标转动下不协变.证明了球面波的驻波表示是协变的，因而是一个物理的关系式，故适用于圆柱坐标中各类波动方程的定解问题.作为一个例，应用于光纤光学，导出了受导简正模和辐射模的表达式，以及各模式的强度分布 |
| 10. | By analyzing the differentiae of the total cross sections ( tcs ) , the differential cross sections ( dcs ) , the partial wave cross sections ( pcs ) , the change patterns of the cross sections and the influence on the cross sections because of the var iations in the mass of systems and the relative kinetic energy of incoming atoms for symmetric isotopically substituted systems he , ne , ar , kr , xe - h2 , d2 , t2 have been obtained . in this paper , we use the tang - toennies potential model for the inertia gas atoms - h2 systems , the murrell - sorbie potential surface with five parameters for the molecules h2 , d2 , t2 . for the inertia gas atoms - d2 , t2 systems , we use the same potential surface with the inertia gas atoms - h2 systems
通过分析he 、 ne 、 ar 、 kr 、 xe ? h _ 2 、 d _ 2 、 t _ 2各碰撞体系在总截面、微分截面和分波截面等方面的差异，总结出在h _ 2分子的对称同位素替代情形下惰性气体原子与h _ 2分子体系碰撞截面的变化规律；通过比较he 、 ne 、 ar 、 kr 、 xe ? h _ 2 、 d _ 2 、 t _ 2各体系在碰撞总截面、微分截面、分波截面等方面的不同，详细讨论了同位素替代碰撞体系中体系约化质量及入射原子的相对碰撞能量的变化对碰撞截面的影响，得出了这种影响的规律性。 |
