A refractive defect of a lens or other optical system that prevents light rays from converging at a single point resulting in a blurred or imperfect image.
散光有折射缺陷的透镜或其它光学系统,阻碍光线汇聚于一个焦点,形成一个模糊或不完全的图象。
In television, an unwanted component in the picture signal output from a camera, caused by the scattering of light in the optical system.
电视中来自摄象机的图象信号输出中不希望出现的组成部分,它是由光学系统中光散射引起的。
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。
The primary requirements of Strehl ratio and light efficiency for optical modules in the weapon system are listed.
并列表给出武器系统中各个光学组件的斯特列尔比和光效率的初步要求。
The development of a novel computerized CCD spectrometer, which consists of three parts: the CCD light detector, the optical system, the data acquisition and control system, is reported.
本文报道了一种新型的CCD光谱仪的研制,包括三部分:即CC D光探测器,光路系统,与计算机联接的控制和数据采集系统。
The laser direct writing(LDW) system SVGLDW 04 with a projection optical system and a spatial light modulator(LCD-SLM) can expose a reduction pattern directly on a photoresist plate.
通过双远心成像光路,激光直写(LDW)系统SVG-LDW04把液晶空间光调制器(LCD-SLM)上的光斑直接成像在光刻胶板上,得到高质量的光斑图形。
Light source in optical transmission system, waveform shaper, optical pulse train generator, and optical reproduction system.
光传输系统中的光源,波形整形器,光脉冲串发生装置以及光再现系统。
Adopting complementary-encoding of light intensity and volume holography, a content-addressable optical holography truth table look-up system based on the NAND operation is structured.
采用光强的互补编码,利用体全息关联特性,构造了一种内容寻址的、基于与非操作的光学全息真值表查询系统。
However, for the actual optical system, its point image become a speckle because of diffraction of light and aberration.
对于实际光学系统,由于光的衍射和像差,使所成的点像为一弥散斑。
The optical elements of its out light path are changed and then it is equipped with a photoelectric detection system.
更换了光谱仪外光路元件,并加装了光电检测系统。
Methods a double-integrating-spheres system, basic principle of measuring technology of light radiation and biological tissues optical model were used for the study.
方法实验采用了双积分球系统和光辐射测量技术的基本原理以及运用生物组织的光学模型。
The first problem is to study the model of scattering from typical surfaces in your optical system before stray light is analysed in this paper.
光学系统杂光分析对航天航空、精细细微分析领域的光学设计有着重要意义,其首要问题是研究光学系统中典型受光表面的散射模型。
This paper introduced a method to testing small light spot produced by an optical system with high NA.
介绍了一种小孔扫描测量大数值孔径光学系统小光斑的方法。
The primary requirements of Strehl ratio and light efficiency for optical modules in the weapon system are...
并列表给出武器系统中各个光学组件的斯特列尔比和光效率的初步要求。
The display system further includes a second optical system coupled to the spatial light modulator and adapted to project an image onto a projection surface.
所述显示系统还包括第二光学系统,其光耦合到所述空间光调制器,并且适于将图像投影到投影表面上。
The most important thing is how to calculate light path automatically in computer aided optical chart system.
在此基础上进而研究开发了计算机辅助光学作图系统。
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。
The blood flow particle field is illuminated by a laser light sheet and optical parameters of the experimental system are selected to obtain the optimal flow field pictures.
用激光片光源照亮血流粒子场,再计算确定实验系统光学参数,以获得最佳流场图片。
Collins formula, which describes the diffraction of light wave passed through a near-axis optical system, and its inverse calculation expression are presented in this paper.
给出描述光波通过傍轴光学系统衍射的柯林斯公式及其逆运算表达式。
So, it is a very concerned question how the optical network base on SDH system evolve to intelligent light network.
因此,基于SDH体制的光网络如何向智能光网络演进是业界非常关注的问题。
Focusing on the problem such as slow scanning speed, complex system design and low light efficiency, a simple method to obtaining optical sectioning in multiple-beam confocal measurement was proposed.
针对共焦测量中单点扫描速度慢、机构复杂、光能利用率低的问题,介绍了一种利用结构光和共焦显微术相结合来实现多光束测量的新方法。
Using the continuous sending laser light source and semiconductor photoelectric position sensitive device, a high accurate tri-dimensional non-contact optical measurement system is designed.
利用连续发射的激光光源和半导体光电位置敏感器件,设计了一种三维非接触高精度的光学测量系统。
Compared with the system of tilted light path, its characteristics were studied. The design parameter of the optical system were given.
同时,进行了结构优选,对空间光路的实现方式作了比较研究,给出了光学系统的设计参数。
The system transmission characteristics of the nonlinear optical fibre channel with the incidence of the Gaussian light pulse is studied in this paper.
本文主要研究了存在非线性效应光纤信道中高斯型光脉冲入射下的系统传输特性。
A method is introduced for testing stray light coefficient, vignetting coefficient and image surface uniformity optical system with large aperture and long focal length.
叙述一种用于测试大口径、长焦距光学系统杂光系数、渐晕系数、像面照度均匀性等光学参数的检测方法。
Stray light generated in optical system forms a lot of ghost images, which not only seriously influence the beam quality and propagation properties, but also damage optical components.
光学系统的杂散光极易在系统内形成多个鬼像,这不仅严重影响光束质量和传输特性,并可能对系统光学元件造成永久性损伤。
When detector effective radius and incoherent incidence light effective radius were all less than 3, the system had better optical sectioning strength.
发现当探测器和光源的有效半径都小于3时,系统具有较好的光学层析能力;
The single optical path measuring system is adopted in traditional polarimeter and its precision is not high, mainly affected by the instability of light source.
传统的偏振测量仪由于采用单光路测量系统,测量精度受光源稳定性限制较大。
In this paper, combining the advantages of active light vision technology and passive light vision technology, an optical system of circular scanning laser vision sensor was developed.
本文结合主动光视觉技术和被动光视觉技术的优点,开发了环形扫描激光视觉传感器的光学系统。
Based on the theory of Fabry-Perot, the influence of light source on optical fiber F-P strain sensor system has been analyzed.
从多光束干涉的基本原理出发,分析了光源光谱对光纤法布里珀罗应变传感系统的影响。
应用推荐