However, you don't expect weak quality of the maximum relative aperture, high level of chromatic aberration, significant coma and noticeable astigmatism along with huge vignetting. 但是,您不希望弱质的最大相对孔径,色差,散光和显着的重大昏迷高水平随着巨大的暗角。
Design of a fore-optical objective with large relative aperture for spectral imagers 一种大相对孔径成像光谱仪前置物镜设计
Object lens of large relative aperture 大相对孔径(摄影)物镜
Design for Special Underwater Photography Objective Lens with Wide Angle and Large Relative Aperture 大视场大相对孔径水下专用摄影物镜的设计甚大光强[相对]孔径物镜
Application of TDI CCD and Sub-pixel Imaging Technique to Smaller Relative Aperture Optical Systems TDICCD亚像元技术应用于小相对孔径光学系统
Optical system design for lens with relative aperture of 1:1 相对孔径为1:1镜头的光学系统设计
Objective lens of beam expander with a high-order curved surface can correct aberration for a deep relative aperture lens. 带有高次曲面的扩束器物镜能对大相对孔径的透镜校正像差。
The analysis and conclusion showed that the detectable distance for UV warning system could be increased by changing the performance parameters of detector, such as CCD minimum luminous density, image intensifier's gain, optical system's transmittance and relative aperture. 分析研究表明,改变CCD最小照度值,像管的增益,光学系统的透过率和相对孔径等探测传感器的性能参数,可以提高紫外告警系统的探测距离。
This paper describes a new method to select these parameters, including to determine the focus length, relative aperture and Field of View of new optical system in design by means of making reference to previous star sensors and their optical systems; 本文介绍一种确定光学系统参数的新方法,包括通过参考比较已有星敏感器及其光学系统特性来选取新光学系统焦距、相对孔径和视场;
Research on catadioptric system with large relative aperture and wide angular field of view 大孔径折反射光学系统研究
The objective has high infrared transmission, large relative aperture and high resolution. 该物镜红外透过率高、相对孔径大、分辨率较高。
In optimized design, damped least squares method and adaptive procedure are used to get higher relative aperture, lower distortion and appropriate MTF, and so on. 在光学系统优化设计的过程中,应用阻尼最小二乘法和适应法解决了大相对孔径、低畸变和MTF匹配等问题。
Application of Diffractive Elements to Infrared Lenses of High Relative Aperture 衍射元件在大相对孔径红外镜头中的应用
Based on the third-order aberrations theory, the design method of Hartmann beam expander with large relative aperture and aspheric surface is detailed in the paper. 根据三级像差理论,详细描述了大口径非球面哈特曼(Hartmann)扩束器的设计方法。
A design process of high relative aperture hybrid IR objective lens used for thermal imager with uncooled detector arrays in the 8-14 μ m waveband was presented. 介绍了一种工作在8-14μm波段的使用非制冷型探测器阵列的大相对孔径混合红外光学物镜的设计过程。
Design of the Optical System with Large Relative Aperture and Large Linear Field of View 大相对口径大线视场光学系统的设计
The establishment of the methods is important technology base to research and manufacturing the large relative aperture. 讨论了补偿器像差的计算机全息图检验方法。这些方法的建立,对于突破这一领域的关键技术具有重要意义,为研制大相对孔径非球面打下了重要的技术基础。
The essentials of designing a zoomar of TV tracking image sensor, as well as the choice of parameters, are related, including the choice of focal length and relative aperture, the quality evaluation, and the design of the optical system. 本文论述了有关在电视跟踪图像传感器中变焦光学系统的参数选择和设计要点。其中包括焦距的选择,相对孔径的选择,光学系统的质量评价和光学系统的设计。
Thermal imaging systems based on uncooled focal plane array detectors require their optical lens with a large relative aperture. 基于非致冷焦平面阵列探测器的热成像系统,要求光学系统具有足够大的相对孔径。
This article discusses the optical Performances and aberrations of co-centre lens system s. The refractive co-centre lens system with view-field angle of 160 °× 32 ° and relative aperture of 1/ 2. 8 is presented. 讨论共心镜系统的光学特性和像差特点,并提出一种160°×32°视场,1/2.8相对孔径的广角大孔径共心透镜系统。
The method can perform direct measurement of large-aperture and large relative aperture aspheric surfaces without additional optical elements, thus providing an effective means for testing and processing large-aperture high-precision aspheric surfaces. 该方法无需辅助光学元件即可实现对大口径、大相对口径非球面的直接测量,为大口径高精度非球面的加工检验提供了有效手段。
In this paper, it introduces entirely the testing methods of aspherical surface that the relative aperture is 1:1-1:2, to analyze the possibility of the methods realization. 本文全面介绍了相对孔径1:1~1:2的非球面检验方法,分析了这些方法实现的可能性。
Diffractive Optical Elements Used in High Relative Aperture Infrared Lenses 用于大相对孔径红外镜头的衍射光学元件
When the relative aperture reaches to 1:1.3, it is necessary to use advanced manufacturing technology and equipments. 当相对孔径达到1:1.3时,必然需要先进的工艺制造技术和设备;
Making one-step rainbow hologram by using an aspherical mirror with large aperture and large relative aperture 用大口径和大相对孔径的非球面反射镜拍摄一步彩虹全息图
In traditional optical systems, the usual approach to extend the depth of field is to reduce the relative aperture, but this will decrease luminous flux and resolution of the optical system, and finally have an effect on details of the image. 在传统光学系统中,为了扩大系统的景深,通常的做法是缩小相对孔径,但这会降低光学系统的光通量和分辨率,最终影响成像的细节。
In order to realize the large relative aperture aspheric surface of high precision processing, solve the difficult problems in this field, and the large relative aperture aspheric surface processing method is deeply researched in this paper. 为了实现大相对口径非球面的高精度加工,解决这一领域面临的难题,本文针对大相对口径非球面的加工工艺进行了深入的研究。
With the ever-increasing demands on optical system performances, requirements for aspheric optical components are more and more critical, which involve aperture, relative aperture, accuracy, lightweight extent, manufacturing efficiency and cost. 随着光学系统性能要求的不断增长,对非球面光学零件口径、相对口径、加工精度、轻量化程度、加工效率和生产成本等方面都提出了更高的要求。
The system has the advantages of large field of view and large relative aperture, and its technical characters are superior to the existing solar blind UV warning optical system. 其具有大视场角和大相对孔径特性,优于现有的日盲紫外告警光学系统的技术指标。