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- The relationships between focal length, oriented error of focal plane of the mirror and span, optic axis parallelism of the laser products are described. A method for orienting more precise position of focal plane is presented. 本文阐述了反射镜焦距、焦面标定误差、激光产品跨距和光轴平行性的关系,提出了一种标定焦面位置较精确的方法。
- FIELD TEST MATHOD ABOUT OPTICAL AXIS PARALLELISM OF MULTI AXIAL SYSTEM 多光轴光学系统光轴平行度野外试验方法
- Handy method to detect divergence angle and optical axis parallelism of laser guidance device 激光制导装置出射激光束散角和光轴平行性的简易检测方法
- Interference pattern of convergent light for a uniaxial crystal with optical axis parallel to surface 光轴平行晶体表面时的锥光干涉图
- optical axis parallelism 光轴平行度
- Light that passes focus is refracted to be parallel to the main optical axis. 通过焦点的光线折射后平行于主光轴。
- optical axis parallel 光轴平行
- Telecentric operation (field rays leave parallel to optical axis, unlike Barlow lenses which diverge rays). 远心手术（场射线离开平行光轴，不像巴卢镜片，其中发散射线）。
- The deviation of focus,magnification and parallelism of optical axis duc to changign the magnification in binocular with zoom type of triplex eyepiece are introduced. 本文介绍采用三组元变焦目镜的双筒望远镜在变倍过程中产生的离焦、倍率差、光轴平行差，较详细地导出这些误差的表达式，同时结合具体实例计算出误差的影响关系。
- Discusses the method of adjustment and examination of parallelism of optical axis between laser, infrared, TV, visual system or other forms of optical system when researching multi- spectrum sensor optical system. 本文主要探讨多光谱光学系统光轴平行性的调校和检验方法，分别提出用大口径平行光管调校和检测多光谱光学系统光轴平行性的方案和用小口径平行光管调校和检验多光谱光学系统光轴平行性的方案以及红外、光系统光轴平行性的调校和检验的方案。
- Crystals of this type, having only one optic axis, are called uniaxial crystals. 这种只有一根光轴的晶体称为单轴晶体。
- In a normal eye the optic axis is the direction in which objects are seen most distinctly. 正常眼中光轴的方向就是看物体最清楚的方向。
- Methods Corneal refractive powers and the length of optic axis were measured on 277 patients with simple myopia of teenager (536 eyes). 方法对单纯性近视277例536只眼,测量其角膜水平及垂直曲率,并按年龄、屈光度分组,对各组角膜曲率及眼轴长度进行统计学分析。
- Be aware as well that these transforms are centered about the zero-frequency optical axis of the system. 还要记住这些变换式是以系统的光轴（频率为零）为中心的。
- The conoscopic interference figures of crystal are collected by CCD camara in order to measure accurately the direction of the optic axis. 提出了用CCD摄像机采集晶体锥光干涉图来快速精确测量晶体的光轴方向的方法。
- Sample link central position and photosource optical axis in identical strip level line. 其中样品环的中心位置与光源的光轴在同一条水平线上。
- Multiple linear regression and correlative analysis showed that the increase in optic axis was main factor for the formation of simple myopia of teenager. 多元线性回归和相关分析显示眼球轴长增加是单纯性近视眼形成的主要因素。
- Conclusion The corneal refractive powers and the length of optic axis are two factors for the degree of simple myopia of teenager and the optic axial lengths are main factor. 结论青少年单纯性近视的屈光度与角膜曲率及眼轴长度密切相关,且眼轴长度是单纯性近视眼形成的主要因素。
- We also analyzed the aspect that the propagation direction departed from the optical axis for a little angle, and compared it with the former. 同时也对光束传输方向与通光主轴方向成小角度的情况作了相应的分析，并对两种情况加以比较。
- This method uses a single standard CCD camera with telecentric lens, moving object along optical axis, images are taken at the two object position. 该方法采用一台带有远心镜头的CCD摄像机，沿光轴方向移动目标拍摄两幅图像，根据所拍摄景物图像的散焦半径与图像大小计算目标景物距摄像机的距离。
