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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。
- position of focal plane 焦面位置
- A new technique for measuring the accurate position of the focal plane of an optical system with position sensitive detector(PSD) is presented. 本文介绍一种新的焦面检测方法,以位置敏感探测器PSD作为检焦器件对光学系统的实际焦面进行检测。
- The weights of focal plane array were given by the conjugate field method and the far fields of WSRT were computed. 用共轭匹配法对阵列单元加权、计算相应的远场方向图,并与采用单个馈源时的远场方向图作比较。
- We have provided primary test result when F/# is 4,and forecast the NEDT,resolution level of focal plane that thermo-imaging system with different F/# value can arrive. 给出F/%23为4的热像仪初步试验结果,并预计采用不同F/%23的热像仪能够达到的NEDT、焦平面分辨率水平。
- The excursion of centroid position of focal spot may be easily acquired with the centroid position expression of focal spot. 利用焦斑质心位置表达式,可分析和确定由于振幅调制和相位畸变导致的质心位置偏移。
- The result shows that the occurrence and the position of focal switches can be controlled by changing the beam parameter and astigmatic parameter. 结果表明,可以通过改变光束参数和像散参数来控制焦开关发生的位置和产生焦开关的次数。
- Design of focal plane array of radio telescope 射电天文望远镜的焦面阵设计
- Input circuit of focal plane arrays 焦平面输入电路研究
- They plotted the new position of each vessel. 他们标明每艘船的新位置。
- He was exalted to the position of general manager. 他被提升到总经理的职位。
- The position of a figure in a numeral or series. 位某一数列中一个数目的位置
- He was elevated to the position of captain. 他擢升船长。
- The position of secretary is void. 秘书的职位现在空缺。
- He was exalted to the position of president. 他被提升当了总裁。
- The economic position of the country is disastrous. 国家的经济形势非常糟糕。
- Suddenly raised to a position of consequence. 骤贵的突然提升到重要位置的
- Centroid position of focal spot of laser beam with aberration 畸变光束的焦斑质心位置
- At last he attained to a position of great influence. 最後他得到一个具有极大影响力的地位。
- My son-in-law should try for the leading position of the company. 我女婿应该谋求这个公司领导的职位。