An imaging lens is unnecessarily needed in application.
应用时无需成像透镜。
The imaging lens housing (157) provides an apron (300) which increases ESD discharge path length.
成象镜头外壳提供一裙(300),它增大了ESD放电的路径长度。
Volume holographic grating, used as a volume holographic imaging lens in the imaging system, is recorded via illuminating the recording medium with a spherical signal beam and a plane reference beam.
体全息光栅由球面信号光波和平面参考光波干涉记录,并以原信号光作为探测光波进行成像。
As an imaging tool, the acoustic lens beats ultrasound imaging because the sound pulses can be focused much more tightly and can be easily repositioned.
作为一个成像工具,声透镜冲击了超声波的显像,因为声脉冲可以更加紧密地聚焦,可以很容易地重新定位。
The imaging characteristics of a GRIN fiber lens with exponential variation of the constant-index surfaces are discussed based on the ray paths equations.
本文根据光线轨迹方程,讨论一种等折射率面为指数型变化的梯度折射率纤维透镜的成象特性。
A kind of diffraction element modulating phase information by LC space light modulator to get a zoom Fresnel lens, as well as the using of said element to optical imaging system, is introduced.
本文介绍一种以液晶空间光调制器作为调制位相信息的衍射元件,获得可变焦长的菲涅耳透镜,以及该元件在光学成像系统中的应用。
With the imaging formula of the holographic lens, the principle of the light path adjustment is deduced.
首先由全息透镜(光栅)成像公式出发,推导出了该光路调节的基本原理。
Zoom lens, imaging apparatus, and personal data assistant.
变焦透镜,成像设备,个人数据助理。
The LED light source and lenses with little distortion are selected as light sources and lens of imaging for inspection system, which provide high quality images during precise inspection.
在本系统中,选用LED光源和畸变小的镜头作为视觉检测系统的照明光源和成像镜头,为精密测量提供了高质量的图像。
With the development of society, people are now increasingly demanding on optical quality and imaging performance of camera lens.
随着社会的不断进步,人们对照相镜头的光学性能及成像质量的要求也越来越高。
By infrared thermal imaging techniques in this thesis, the focal spot size and focal length of this dielectric lens antenna are measured.
本论文应用红外热成像技术,对毫米波介质透镜天线的焦斑焦距进行了测量。
The inventive optical lens can ensure good imaging quality with low cost.
使本发明的光学镜头在保证成像质量优良的同时降低成本。
Once you choose a lens whose focal length is closest to the focal length required by your imaging system, you need to adjust the working distance to get object under inspection in focus.
一旦你选择一个镜头其焦距是最接近于你成像系统所需之焦距,你需要调较工作距离去获取观察目标物的焦点。
This paper analyses the concept of OTF in sampled imaging system, discusses the problem incoherently coupled with OTF of lens and describes a new method for measuring MTF of CCD.
本文分析了抽样成像系统的OTF,并讨论了与透镜otf的非相干耦合问题,同时提出了一种新的测量CCD的MTF的方法。
This paper analyzes extended hemispherical lens, which can be used in focal imaging.
文中分析可用于焦面阵成像的扩展半球介质透镜。
Main task of this dissertation is designing a multi-beam lens antenna to both improve the resolution and reduce the imaging time of the passive millimeter-wave imaging system.
本文的主要任务是针对提高毫米波无源成像系统的分辨率和减小成像时间而设计一个多波束透镜天线。
In this paper a system using CMOS imaging technique is proposed to evaluate quickly the imaging quality of lens on the basis of Fourier Optics.
本论文以傅立叶光学为依据,详细讨论了一种利用CMOS成像对镜头成像质量进行快速评价的系统。
To improve the imaging quality of CCD camera and make the lens small in size, compact in structure, the wide field of view(WFOV) optical lens with the aspheric surface was designed.
为提高CCD照相机的成像质量,同时使镜头结构紧凑、小型化,在大视场光学镜头的设计中,采用非球面设计。
The ray propagating and paraxial imaging characteristics of a GRIN fiber lens with constant refractive-index surfaces of revolution paraboloids are studied.
本文研究一种等折射率面为旋转抛物面的梯度折射率纤维的光线传播和近轴成像特性。
Based on the characteristics of short focus lens and CCD array, the necessity of sub-pixel imaging and location is analyzed.
该文首先从短焦距镜头和给定cCD成像阵列的成像特性出发,分析了实现亚像元成像与定位的必要性。
According to the selfoc lens imaging properties, the Gauss image formula of the selfoc lens is deduced.
从自聚焦透镜的成像特性出发,导出了自聚焦透镜与普通透镜相同的高斯物像公式。
This paper introduces entire focus imaging technology, including the focus and depth theory, fast entire focus lens, fast imaging technique and signal conditioning circuit.
本文介绍全焦距成像技术,介绍焦深理论、快速全焦距透镜、快速成像和处理电路。
The adverse projection measuring method reverse the position of object and image in the imaging system of lens, it overcome back focus length and resolution power limitation.
逆投影法颠倒镜头成像系统物和像的位置,克服了手机镜头后焦、像素等的限制。
This article introduced the imaging principle of the thin lens and the refraction system of eyes. This article also analyzed the Simulation and Remedy of the Myopic eye.
介绍薄透镜成像原理和眼屈光系统。分析近视眼的模拟与矫正。
The imaging system consists of a color video camera, an observation window and a turning mirror, a wide-angle collector and collimating lens, a video capture card as well as a portable computer.
该成像系统由彩色摄像机、观察窗和转向镜、广角收集和准直透镜组、采集卡和计算机组成。
Then using another convex lens and a micrometer eyepiece the altered parallel rays is focused, and the imaging size of line pair of collimator imaged on the another convex lens is measured.
用一辅助凸透镜与一测微目镜进行平行光束的会聚,测出准直管玻罗板线对在辅助凸透镜焦平面上所成像的大小;
Comparison of the focusing results of a hot atomic beam with a monochromatic cold atomic beam shows that the main factor affecting the imaging quality of the magnetic lens is chromatic aberration.
在比较了热原子束和单色冷原子束的会聚效果后得出结论:影响它成像的主要因素是色差。
This article first embarked from the principle of fisheye lens imaging, then discussed camera calibration algorithm for fish-eye Lenses and gave an analysis and the comparison to typical algorithm.
从鱼眼镜头成像原理出发,着重对鱼眼镜头图像变形校正算法的国内外研究做一个综合性的整理和分类,并对各类典型算法做出一个分析和比较。
Two kind of simple methods, which are termed of extender lens amplification imaging method and convex lens amplification imaging method, are proposed based on amplification principle in this paper.
文中提出了两种利用放大原理测量全息光栅光栅常数的简单方法:扩束镜放大成像法和凸透镜放大成像法。
With matrix conversion of geometry optics as a basis, simulation and modeling for complex multi-lens imaging optical system for four-quad splitting are carried out through light ray trace.
以几何光学的矩阵变换为基础,通过光线追迹的方法,对四象限分光的多透镜成像复杂光学系统进行仿真建模。
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