Using wave field continuation method to remove caustic effects;
利用波场延拓方法消除焦散影响
Study of the scattering field in the caustic region of a two-dimensional concave antenna based on symplectic geometrical theory;
基于辛几何理论的二维凹面天线焦散区散射场
The method of solving wave equations in caustic domain by symplectic geometrical theory, and the method of simplifying two-dimension wave equations in slowly varying nonhomogeneous medium by wavelet-transform theory are proposed.
本论文探讨了Maslov方法在波动方程高频近似中的应用及焦散区的具体求解方法；讨论了用小波变换化简二维非均匀缓变介质条件下的波动方程；本文还讨论了凹面反射的焦散现象、凹面反射焦散区的奇性种类，讨论了二、三维凹面反射波动场非焦散区、焦散区的计算方法。
Influence of Multipole Deflection Field on Electron Beam Defocus;
多极偏转场对电子束散焦的影响分析
This paper introduces a practical method for computer to estimate the defocus blur parameter in cepstrum area.
介绍一种倒谱分析方法,使计算机能较好地识别散焦模糊参数。
One is the defocus blur due to the optical system s defocus phenomenon,and the other is the motion blur due to the relative movement between the objectives and the camera.
在各种图像捕获系统中,有两种形式的图像模糊比较常见:一种是由光学系统散焦造成的散焦模糊;另一种是物体与照相机之间的相对运动造成的运动模糊。
Solving the propagation and caustics of electromagnetic wave in two-dimension inhomogeneous media based on symplectic geometric theory;
基于辛几何理论求解电磁波在二维非均匀媒质中的传播与焦散问题
In order to avoid caustics phenomenon the amplitude is calculated in phase space.
从声波波动方程出发,在波动理论的高频近似下,导出了有限差分射线走时计算方法,并利用声传播的可逆性和费马原理建立射线路径,充分考虑实际激发的声波具有有限带宽的特点,用“波径”来描述射线,考虑到复杂介质易出现焦散现象,采用了在相空间中计算波场。
Multi-perspective rendering has a variety of applications, examples include lens refraction, curved mirror reflection, caustics, as well depiction and visualization.
多投射渲染可以应用到很多方面，包括曲镜面的反射、折射、焦散和可视化等。
A caustic curve or surface.
焦散曲面，焦散表面
Attenuation, Scattering, Modeling water surface, Light shafts, Caustics.
衰减，散射，水面建模，光线束，焦散。
Study on the Applicability of Caustics to Rock Type Media
焦散线法对岩石类介质的适用性研究
We say that a caustic is formed on the surface of the sphere at this distance.
我们说，在这一距离的球面上形成了焦散。
debunching force
分散[散焦, 散束]力
defocus-dash mode
散焦－长划存储方式
automatic focus and stigmator
自动调焦和消象散装置
The act or result of causing a lens to deviate from accurate focus.
散焦，去焦使透镜偏离准确的焦点的行为或结果
Numerical Research on Induced Focusing of Optical Beams in Self-defocusing Media;
自散焦介质中光束诱导聚焦的数值研究
To cause(a beam or a lens) to deviate from accurate focus.
（使）散焦使（一束光或一个透镜）从准确的焦点上偏散开来
The Research of Prism Dispersion Compensation and Speckle Quasi-Confocal in Microscopy;
显微成像中棱镜色散补偿与散斑类共聚焦研究
confocal backscatter laser velocimeter
共焦反向散射激光测速仪
characterized by diffuse anxiety and often somatic manifestations of fear.
特征是扩散的焦虑和恐惧的身体表现。
Effect of smoothing by spectral dispersion on the spatial spectrum of focal spot
光谱色散匀滑对焦斑光强频谱的影响
Suppression Effect of Self-defocusing Media on Hot Images from Obscurations in an Intense Laser Beam
自散焦介质对非线性热像的抑制效应
The Effects of Astigmatic Lens on the Focal Switch of the H-G Beams
透镜的像散对H-G光束的焦开关影响
Small-Scale Self-Focusing of Divergent Beams in Gain Medium
增益介质中发散光束的小尺度自聚焦
Notice that in all cases, the rays either diverge from or converge toward the foci.
注意在所有的情况下，光线不是从焦点发散就是会聚到焦点。
