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- A new two frequency laser alignment system is developed which consists of two Wollaston prisms with the same structure.One is for measurement;another for compensation. 介绍了一种新型自适应双频激光准直系统,该系统利用了两个完全对称的渥拉斯顿棱镜,一个作为测量元件,另一个作为补偿元件。
- The interval between any two frequencies having a ratio of2 to1. 倍频程频率比率为2比1的两个频率的间隔
- These gas lasers give off a continuous beam. 这种气体激光器产生连续不断光束。
- Two types of lasers are now in common use: solid lasers, which are capable only of providing short Bursts of power, and gas lasers, which produce a continuous laser beam. 通常使用的激光器有两种:只能发出短促脉冲的固体激光器和能发出不间断激光束的气体激光器。
- time-sharing two frequency laser 分时双频激光器
- Arc Discharge Influence on Output Characteristic of Gas Laser Resonator for Multi-pair Electrodes. 弧光放电对多电极对气体激光器输出特性的影响
- Abstract : The two frequency method for measurring corrosion reaction resistance based on a. c. impedance and numerical integration has been proposed. 摘要 : 提出了基于交流阻抗和数值积分原理的二点频率法。
- The interval between any two frequencies having a ratio of 2 to 1. 倍频程频率比率为2比1的两个频率的间隔。
- The most common method to "pump" a gas laser--that is, to invert the population in the states that give rise to light amplification--is to use a gas discharge. “发射”气体激光(也就是反转能产生光放大的那些状态的粒子数)的最普通方法是运用气体放电。
- In the paper,the authors analyzed polar motion data series recently released by IERS,and in combination with spectrum resolution,discussed two frequency of Chandler wobble. 分析了IERS新近公布的经统一归算的极移数据,结合频谱分析中分辨率的有关问题,进一步讨论了Chand ler摆动的双频现象。
- Abstract: In the experiment of gas laser pumped by electron beam, large area uniform electron beam is important to generate high efficiency laser output. 摘 要: 在电子束泵浦气体激光实验中,大面积均匀电子束是获得高效能激光输出的必要条件。
- The method for generating the second signal is put forward based on the period rule of the phase difference for two frequency signals with the frequency difference. 摘要利用两个有一定频差的频率信号相位差变化的周期性规律提出了一种秒信号产生方法。
- This paper analyses the coupling wastage in columniform wave guide gas laser, and gives the function between the coupling wastage of laser guide modulo EH11 and the position and radius of reflector. 摘要分析了圆柱形波导气体激光器中的耦合损耗,给出了最低阶波导模EH11的耦合损耗与反射镜位置、曲率半径的函数关系。
- An inspection of (4. 3-5) reveals that for a given K there are two frequencies. 由式(4.;3-5)可见;对于给定的K有两个频率。
- radio frequency gas chromatograph 射频气相色谱仪
- The small aperture effect and the lens-Jike effect formed by model HAW aerodynamic laser window are analysed and studied experimentally, and the advantages making use of the aerodynamic laser window in high power gas laser are described. 本文分析和实验研究了haw型气动激光窗口所形成的小孔光阑效应和类透镜效应对光束传输的影响,阐明了在高功率气体激光器中使用气动激光窗口的优越性。
- The two systems of government are polar opposites. 这两种政体正好相反。
- Gas lasers look something like a combination of a neon tube and a fluouescent lamp. 气体激光器看来有点像氖管和营光灯的组合。
- The business is owned by two partners. 这家商行为两名合伙人所拥有。
- Because gas lasers were often used as the light source, their beam had to be coupled into the thin-film wave guides. 由于气体激光器常用作光源,故必须将其光束耦合到薄膜波导中去。