1) internal defocusing
内散焦
2) internal self-defocusing
内自散焦
3) caustic
[英]['kɔ:stɪk] [美]['kɔstɪk]
焦散
1.
Using wave field continuation method to remove caustic effects;
利用波场延拓方法消除焦散影响
2.
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
3.
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。
4) Defocus
[英][di'fəukəs] [美][di'fokəs]
散焦
1.
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
2.
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。
3.
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。
5) caustics
[英]['kɔ:stik] [美]['kɔstɪk]
焦散
1.
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
2.
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。
3.
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。
补充资料：湮散
1.湮没散佚。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条