1) astigmatism
[英][ə'stɪɡmətɪzəm] [美][ə'stɪgmə'tɪzəm]
像散
1.
Spot Astigmatism of Large Screen Color Picture Tube;
大屏幕彩色显像管光点像散分析
2.
Influence of astigmatism on the diffraction property of the axicon and its correction;
像散对轴棱锥衍射特性的影响与修正
3.
In this detecting system, a 2-D light source array produced by a micro-optic component is used to form a parallel micro-astigmatism system.
研制了一种基于像散法的非扫描三维探测系统,该检测系统利用微光学器件产生的二维点光源阵列实现并行像散光路,实现了对测量表面的全场同步检测。
2) Astigmation
像散
1.
Astigmation Detection and Correction Technique for Micron Focused Ion Beam;
亚微米聚焦离子束的像散检测与校正技术
2.
Theoretical Analysis on Focusing Characteristics of Laser Tweezer Under the Influence of Astigmation from Sample Vessel;
样品池像散影响光镊聚焦特性的理论分析
3.
Static Astigmation Analysis of Asymmetrical BFR;
非对称束形成区的静态像散设计分析
3) astigmatic
[英][,æstig'mætik] [美][,æstɪg'mætɪk]
像散
1.
the astigmatic mode and stigmatic mode)are displayed.
给出了变栅距四面光栅的光程函数和综合像差的普遍表达式，在此基础上针对我们采用的ＨＩＴＡＣＨＩ变栅距平焦场四面光栅的实际参数，详细研究了它的成像性质，同时还给出了使用该光栅的平焦场光栅谱仪工作在像散和消像散两种模式下的典型实验结果。
2.
The scheme of the measurement system is as follow: First, the focusing error optical signal is gotten based on heterodyne astigmatic principle.
通过分析对比两种非接触测量方式的优点和不足,提出了本系统采用的方案:首先利用像散几何光学探针法获得离焦误差检测信号实现定位;接着采用光干涉检测法测量透镜的位置变化,得到微小变化量的测量结果。
3.
The effects of astigmatic on the H-G beams was studied and the analytical expressions for the axial irradiance of H-G beams and passing through a system with the aperture and astigmatic lens separated were derived.
研究了透镜像散对H-G光束的焦开关效应。
4) astigmatic image
像散像
5) astigmatic aberration
像散像差
6) astigmatic image
像散成像
补充资料：像散
见像差。
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