直视骄阳是危险的，只能通过适合的日食镜、配有滤光片的望远镜或者针孔投影系统观看日食。
Viewing the Sun's harsh light should only be done through protective equipment - proper solar glasses and solar telescopes, or through a pinhole projection system.
特别设计了微透镜阵列与针孔阵列对准粘接的机械和观察系统。
The mechanics and the observing system for aligning and bonding microlens arrays with pinhole arrays are specially designed.
基于点扩展函数，推导出共焦系统的成像公式，模拟了探测器尺寸对分辨率的影响，并提出最佳针孔半径。
The imaging equations are derived based on point spread function, the influence of detector on resolution is simulated, and the optimum pinhole radius is proposed.
本文以理想针孔成像模型为基础，对CCD摄像机的径向畸变问题进行了系统研究。
This paper is based on ideal pin-hole imaging model and researches the distortion problem of CCD camera.
一种新的采用基准离焦信号的针孔调焦方案，用于激光直写的自动对焦子系统。
A new pinhole-focusing scheme using referenced defocus signal is applied to an automatic subsystem for laser direct writing.
FALKDieter：用于通过针孔光圈将物体光学成像到检测装置上的系统和方法。
System and method for optically imaging objects on a detection device by means of a pinhole aperture. F.
光斑尺寸和空间滤波系统的针孔光阑直径有关。
The focal spot, size depend on the pinhole diaphragm diameter of spatial filter.
实验结果表明该金属箔材表面针孔实时检测系统具有较高的精度和较快的速度。
The results obtained from the experiments have demonstrated that his real-time inspection system of metal surface hole possesses the hig…
实验结果表明该金属箔材表面针孔实时检测系统具有较高的精度和较快的速度。
The results obtained from the experiments have demonstrated that his real-time inspection system of metal surface hole possesses the hig…
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