models of periodically inhomogeneous perturbations are made reasonedly in a quasi-ideal dispersion-managed soliton system, their effects on second-order soliton propagation are investigated.
在準理想的的色散管理系统中建立了非均匀扰动模型,研究了它们对二阶孤子传输的影响。
unique optical properties of the simple lens composed of left-handed material (lhm) are reasonedly studied here according to geometrical optics.
利用几何光学方法研究了由左手性介质制成的简单透镜的光学特性。
finally, the author reasonedly studies the building of bank card management system platform, design of olap scheme, implement and application of the system and a series of problems.