According to the general Huygens Fresnel diffraction integral formula, this thesis discusses the intensity distribution properity of the cosh-Gaussian beams passing through an astigmatic lens.
据广义Huygens -Fresnel衍射积分公式 ,推导了新型光束———双曲余弦高斯光束通过简单像散透镜后的光场分布特点 ,并通过数值计算 ,说明了像散系数对焦移、光强分布的影响。
This paper presented the basic principle of program circuit of the imaging lenses for model-EM 400 electron microscope.
文章深入浅出地介绍了EM 400电子显微镜成像透镜程序电路原理,扼要地阐述了M控制程序、地址编码器、放大倍数、相机长度/合铀、24×14矩阵等主要电路作用以及它们之间相互关系。
Investigation of lens imaging system with quart-optical path;
四光路透镜成像系统研究
Another methods based on lens imaging principle can acquire pulse wave quantitatively,therefore these methods get the
基于透镜成像原理的一些处理方法能够定量描述脉搏运动,这个优势是基于图像灰度变化的方法不具备的。
According to the principle of lens imaging,the geometry relations between a practicality and its picture are confirmed.
针对数码相机定位问题,根据透镜成像原理确定实物与像之间的几何关系,合理设置实物与数码相机的相对位置关系,即角度和距离。
asymmetric anastigmat
非对称性消像散透镜
Focal Switch Phenomenon of H-C-G Beams Passing Through a System with the Aperture and Astigmatic Lens Separated;
H-C-G光束通过光阑-像散透镜的焦开关现象
Propagation Properties of Partially Coherent Light Passing Through an Aperture Astigmatic Lens;
部分相干光通过光阑像散透镜的传输特性
Focusing Properties of Non-uniformly Polarized Beams through an Astigmatic Lens with Annular Aperture
非均匀偏振光束通过环状光阑像散透镜的聚焦特性
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
Free from astigmatism.Used of a compound lens in which the separate components compensate for the astigmatic effects of each lens.
消像散的消像散的，用于复合透镜，其中分隔部分抵消了每一个透镜的散光效果
compound lens or lens system designed to be free of astigmatism and able to form approximately point images.
没有散光并且能够形成近似的图像的透镜或透镜系统。
"Diverging lens causes the rays of a parallel beam of light to spread out and appear to come form a point, i.e. the rays diverge. It produces a virtual image at its principal focus. Such a lens is thinner at the center than at the edge"
散光镜使一束平行光线散开而形似出发于一点,在其主焦点上产生虚像, 这种透镜的心比边缘薄
The Study on Stare Hyperspectral Imaging System Using Longitudinal Chromatic Aberration of Binary Optical Lens;
利用二元光学透镜轴向色散的凝视光谱成像性能研究
Shaped like a biconvex lens.
双凸透镜状的形状像双凸透镜的
air-spaced double anastigmat
双分离对称消像散镜头
large concave mirror produces image that is magnified by the eyepiece.
由目镜产生放大图像的大的凹透镜。
large convex lens produces image that is viewed through the eyepiece.
通过目镜观察物体图像的大的凸透镜。
I stared at the glasses that looked like swimming goggles with rose-coloured lenses.
我盯着这副像是护目镜的玫瑰色透镜。
Anastigmatic lens: Photographic lens corrected for astigmatism as well as other distortions. Process camera lenses are anastigmats.
消像差透镜:消除纵横像差和其他畸变的摄影用透镜。制版照相机所用的镜头是消像差透镜。
The research of micro-lens array diffuser and its fabrication
微透镜阵列光扩散片特性研究及制备
Imaging Problem of Spherical Mirror and Thin Lens with Icon Research;
图示法研究球面镜和薄透镜的成像问题
a single convex lens is used to produce an enlarged image.
能够产生放大图像的单个凸透镜。