考虑一维退化扩散过程的小扰动。
The small perturbations of one dimensional degenerate diffusion processes is considered.
对于低频扰动，当系统实现闭环控制后，像面上线扩散函数已接近衍射极限。
When the system close -loop controlling is realized for lower frequency perturbation, the approximate diffraction limited line spread function can again be achieved on the image plane.
扰动后的系统服从均匀分布，具有更为理想的扩散特性和置乱特性。
After being perturbed, chaotic system can generate chaotic binary sequences with uniform distribution and with statistic properties invulnerable to cryptographic analysis.
根据表面扩散控制下物质迁移规律，建立有限单元法，对裂面形貌扰动下二维微裂纹演变过程进行数值模拟。
Based on the theory of surface diffusion, a finite element method was developed to simulate shape evolutions of two-dimensional microcracks with surface perturbation.
作为生态系统，种群自身和相互间的扩散、扰动以及系统外部的影响不可避免。
In practical ecosystem, there are diffusions, perturbations in species as well as external influence.
那可能造成对某个区域的高空大气的严重扰动，该扰动会产生在全球迅速扩散并持续数年的影响。
That could produce a severe disruption of the upper atmosphere at one location that may produce effects that spread rapidly around the Earth for years.
那可能造成对某个区域的高空大气的严重扰动，该扰动会产生在全球迅速扩散并持续数年的影响。
That could produce a severe disruption of the upper atmosphere at one location that may produce effects that spread rapidly around the Earth for years.
应用推荐