In the end, the propagation of cylindrical wave in freespace, and the hollow cylinder scattering characteristics in near field and far field is completed when it is initiated by cylindrical wave.
最后，模拟了柱面波在自由空间中的传播及空心圆柱体在柱面波入射下的近场和远场散射特性。
2
Method of calculations for electron beam comtours including the effect of space charge was derived from the fieldfree of space charge.
讨论如何由无空间电荷存在的场求空间电荷作用下电子注的包迹。
3
Photonic band gap (PBG) structures have been shown to have a density of states (DOS) of emission field different from that of free-space vacuum field.