| 1. | Buried focus effect
地下焦点效应 |
| 2. | This latter approach enables simulation of motion blur , depth - of - field focus effects , reflection blur , and other effects
使用后一方法可以模拟运动模糊效果、景深焦点效果、反射模糊效果以及其他效果。 |
| 3. | Therefore in icf laser driver design and construction , it is very important to study the physical principle of the self - focusing effect
因而理解并掌握自聚焦形成的物理规律，对于icf驱动器的设计与建造具有非常积极的意义。 |
| 4. | It is well known that nonlinear self - focusing effect is one of the important factors to limit icf laser energy and worsen beam quality
实践表明，非线性自聚焦效应是限制icf驱动器激光输出能量及破坏光束质量的主要因素之一。 |
| 5. | In this high power laser system , nonlinear self - focusing effect especially the small - scale self - focusing is the main limiting factor
在这种高功率激光系统中，非线性自聚焦效应是其主要的限制因素，其中尤其以小尺度自聚焦效应最为严重。 |
| 6. | By means of numerical method , the influences of transducer parameters on focusing effect is analyzed , including the number of elements ( n ) , interelement spacing ( d ) , elevation dimension ( l ) , width dimension ( )
研究了相控阵的几何尺寸对声波聚焦效果的影响，并设计了相控阵的合理尺寸。 |
| 7. | Observant photographers have noticed that not all lenses are created equal : large aperture lenses show strong out - of - focus effects while small - aperture lenses lead simply to a softening of the image
细心的摄影者会发现不是所有的镜头都是一样的：大光圈的镜头呈现强烈的失焦效果，而小光圈的镜头只是稍微的让图像柔化一些。 |
| 8. | By a method for comparing , the conversion efficiency formula of the gaussian wave for second - harmonic generation ( cefgshg ) in general circumstances , which toke accounts of walk - off effect and self - focus effect together , was attained
通过类比的方法给出了一般情况下，同时考虑走离效应和自聚焦效应时的高斯光束倍频转换效率公式。 |
| 9. | Chapter 2 : characteristics of propagation of ultra - intense laser beam in a partially stripped preformed plasma channel is discussed , in which the relativistic self - focusing effects , together with the perturbed plasma density , is discussed
第二章：本章阐述了超强激光光束在抛物型部分电离的预等离子体(聚焦和散焦)隧道中的传输特性。研究了相对论自聚焦效应和等离子体波引起的密度扰动对传输的影响。 |
| 10. | Based on this , a case of typical external self - focusing effect , hot - image , has been analytically and experimentally investigated in this dissertation . the principal work is as follows . ( 1 ) intense laser beam propagation equation , the paraxial wave equation , has been derived
论文的主要内容为如下几部分： ( 1 )从电磁波的基本传播方程出发，推导了描述强激光在透明克尔介质中传输行为的非线性近轴波动方程。 |
