其结论为一个实用的扩束望远镜在失调量为零时,具有最大的扩束比。
The conclusion is: a practical beam expanding telescope has maximum beam expanding ratio when its maladjustment is zero.
本文利用矩阵光学的方法,分析了扩束望远镜的失调量与扩束比之间的关系。
Based on matrix optics, the relationship between maladjustment and expanding ratio of the laser beam expanding telescope has been analyzed in this paper.
本文利用光束变换公式分析了高斯光束通过望远镜系统的传播,讨论了最大扩束比问题。
In this paper, the propagation of Gaussian beams in a telescope system is analysed by using beam transformation formulas. The maximum beam expanding ratio is discussed.
根据耦合模理论,分析了光纤耦合器的分束比、附加损耗等传输特性对FFTS的工作带宽和测量准确性的影响。
According to the coupled-mode theory, the impacts of fiber couplers transmission characteristics such as splitting ratio and additional loss, on the veracity and bandwidth of FFTS are analyzed.
随着中微子束的收紧,中微子仍然比光提早了60纳秒抵达了格兰·萨索。
With the beam tightened up, the neutrinos still arrived at Gran Sasso 60 nanoseconds faster than light would have.
这束火柴发出强烈的光芒,照得比白天还要亮。祖母从来没有象现在这样显得这么高大、这么美丽。
And the matches glowed with a light that was brighter than the noon-day, and her grandmother had never appeared so large or so beautiful.
我走进餐厅,看见餐桌上生日蛋糕旁边,摆着很大一束鲜花,比以往的都要大。
As I entered the dining room, there on the table next to my cake was a huge bouquet of flowers, bigger than any before.
在和她同乘一辆车的旅客中间,有一个人对她说的话比先前的一些人说的话更直截了当:“唉呀,你简直变成了一束花了!
One among her fellow-travellers addressed her more pointedly than any had spoken before: `Why, you be quite a posy!
理论及实验结果的吻合证明了光学电流传感器稳定性直接受偏振分束器两路消光比影响的结论。
The consistence of theory and experiment results has proven the decision that sensor stability is directly affected by the two extinction ratios of PBS.
讨论了波的传播规律,并给出了铝材迎光面反冲速度峰值及比质量亏损与电子束的入射通量和能量之间的关系。
The relations between the peak front surface blow off velocity, specific mass loss and incident fluence and electron energy for aluminum are discussed.
比克希集团有线束及电子两大业务单元。
PKC Group has two business areas: Wiring Harnesses and Electronics.
在四电极系统中在一定束能量下改变电场强度比仅轻微地改变束电流。
In a four-electrode system, changing the electric field ration only slightly changes the ion beam current at a certain beam energy.
空心铝球的焊接更有特殊性,采用真空电子束焊接比激光焊接更为有利。
The welding of hollow aluminium ball has more particularities, it adopts the vacuum electronic beam welding that is more favorable than laser welding.
采用原子蒸气束激光诱导荧光法测量钆原子的第一激发态的同位素位移及超精细结构、原子跃迁自发辐射的分支比和原子蒸气束的多普勒宽度。
The isotope shifts, hyperfine structure, spontaneous emission branch ratio of the first excited level and Doppler width of the atom vapor beam were measured using laser induced fluorescence.
房室束细胞比移行细胞大、核染色质多、肌丝和肌原纤维及其分支也多、闰盘发达完整。
The cells in the HB were larger than the transitional cells, with abundant chromatin in the nuclei, more myofibers and myofibrils and branches. The intercalated disks were well developed.
离化团束的溅射产额比之单体离子束高100倍以上。
The sputtering yield per cluster ion is higher than that for monomer ion by a factor of more than 100.
丈量是与偏振分束多维 (外周血干细胞)用于传输,并且自己们恪守偏振消光比超越 500: 1这两个基地。
The measurements are made with polarizing beam-splitting cubes (PBSC) used in transmission, and we observe polarization extinction ratios in excess of 500:1 for both bases.
作为一个14岁男孩农场春耕家人的领域里格比爱达荷,斐罗吨范斯沃斯的是思想的电子束和爱因斯坦的相对论。
As a 14 year old farm boy plowing his family's fields in Rigby Idaho, Philo T. Farnsworth of was thinking of electron beams and Einstein's theory of relativity.
比克希集团为各类线束、电缆和电子元器件提供专业的设计、生产及售后服务。
PKC Group offers design and contract manufacturing services for wiring harnesses, cabling and electronics.
结果:在后手直拳击打过程中上肢肌肉中三角肌前束做功百分比最高,平均为35%;
Results:Detoid anterior portion worked with an average of 35% in the process of straight punches in the upper extremity muscles;
提出将电子束作传输线内导体等效,采用陶瓷电容分压器来测量速度比的方法。
The electron beam is equivalent to transmission-line inner conductor. A ceramic capacitance divider is proposed for velocity ratio measurements.
研究表明,主锚索以直线型布置为最佳,每侧闸墩内采用13束主锚索比15束的作用效果更优;
The results show that the main rope distributing in straight is the best, the 13 bunches of main rope in each side gate pile is better than that of 15 bunches;
对系统扩束光路部分进行改进,使其满足不同尺寸缩比模型的测量需要;
The origin auto-measurement system is improved, including optical beam expander and measurement software, to advance automaticity of the origin system.
利用干涉图的零频分量消除光源谱分布的影响,获得两束干涉光的振幅比;
The effect of the light source spectral distribution can be cancelled out with the help of the zero order spectrum of the Fourier transform of the interferogram.
利用干涉图的零频分量消除光源谱分布的影响,获得两束干涉光的振幅比;
The effect of the light source spectral distribution can be cancelled out with the help of the zero order spectrum of the Fourier transform of the interferogram.
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