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- Optical Axes Boresight Instrument for Multispectral Optical System[J]. 引用该论文 詹启海;常本康;富容国.
- The fine tuning for the optical axes boresight was achieved by setting a spatial transfer reference with several sets of autocollimators and adopting a large-aperture optical axis adjustment device. 着重分析探讨了光电稳瞄系统中各探测器光谱范围的差异性、光学平台结构的复杂性、光学轴系与回转轴系的一致性带来的精度难以实现的关键技术问题。
- Optical Axes Boresight Instrument for Multispectral Optical System 多光谱光学系统光轴平行性组合测试装置
- An electro-optical equipment to detect the boresight of multi-channel optical axes in laboratory is introduced.A collimator is adopted to provide an infinite target for the test system. 介绍用于室内检测多波段光电设备光轴一致性的测试系统。该系统采用准直平行光管为测试系统提供无穷远目标。
- Abstract: For better manifestation of colours in anisotropic transparent stones the orientation of faceting along optical axes is necessary. 摘 要: 要使非均质性透明宝石矿物的颜色更好地表现出来,沿光轴方向的加工定向是非常必要的。
- For better manifestation of colours in anisotropic transparent stones the orientation of faceting along optical axes is necessary. 要使非均质性透明宝石矿物的颜色更好地表现出来,沿光轴方向的加工定向是非常必要的。
- 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。
- 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。
- 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)。
- 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。
- A photograph printing device arranges a polaroid which can rotate around an optic axis and a double refraction board at the light emergent side of a liquid crystal layer. 一种照片印制装置,将能以光轴为中心旋转的偏光片和双折射板设在液晶层的光出射侧。
- 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。