beam intensity造句

• Changes in the beam intensity will produce changes of the count rate .
  电子束强度变化将引起计数率的变化。
• Automatic beam intensity limiter
  显象管自动电子束强度限制器
• Method of measurement of center beam intensity and beam angle of reflector lamps
  反射灯中心光强和光束角的测量方法
• Method of measurement of centre beam intensity and beam angle of reflector lamps
  反光灯的中心波束强度及波束张角的测量方法
• Until now many methods have been proposed to generate the flat - top or bottle beam intensity distribution
  迄今为止,已经实现了将激光光束整形成平顶光束或局域空心光束等。
• Moreover , the holographic grating was probed by 532 nm laser at low intensity and the dependence of the first order diffractive signal on the recording beam intensities was also presented
  此外利用低功率532nm激光探测全息光栅并且得到了一级衍射信号与记录光功率之间的关系。
• The relation of voxel space arrangement and incidence beam intensity to voxel lightness is focused . secondly , with the advanced software 3d _ doctor , this paper builds the 3d image model from the 2d image of ct
  其次,通过获取ct的二维图像信息,利用先进的医学三维图像软件3d _ doctor建立三维图像模型,再用专业软件技术,将它转化为opengl可以识别的文件信息。
• The results also indicate that , in a piece of gain medium , the cutoff frequency , " the most quickly growing frequency " and the integral exponential gain are variables of the beam intensity , medium gain coefficient and propagation distance
  在考虑了介质的增益后，截止空间频率、最快增长频率以及最大增长因子不再像原始b - t理论中那样保持不变，它成了和光强、介质增益系数及传播距离有关的一个量。
• Absolute distribution of laser beam intensity is gotten from comparative distribution . the absorption coefficient of material is calculated by measuring transmissive ratio . the influences on temperature increment , stress and phase of laser beam are computed with different time , window cooling , window rotating , shape and material of window , distribution of intensity
  由近场光斑相对分布得到其绝对分布，测量窗口透过率，求得材料的吸收系数，在此基础上计算了出光时间长短、窗口有无冷却、是否旋转、窗口材料及面型、光强分布形式对窗口温升、应力和光束位相的影响。
• Based the research on the laser beam drift feedback control technique , analysing the beam drift and its frequency components , a laser beam directional stability method is studied in the thesis in detail , with its measurement and control circuit system that combines the laser beam intensity modulation and the beam drift feedback control technique . in this method , at first the laser beam intensity is modulated with the acoustooptic modulator , then the lock - in amplifier is applied to detect and demodulate the modulating signal , at last a feedback control signal is generated by the dsp control circuit at last , including : 1
  本文在原有的激光光束漂移量反馈控制准直技术的基础上,对光束漂移量信号的数据和频谱进行了分析,重点研究了一种集声光调制光强与光束漂移量反馈控制准直技术于一体的激光光束方向稳定方法及其测控电路系统,该方法通过声光调制实现光强调制,接着通过锁相放大电路检测并解调调制信号,然后通过dsp控制电路进一步对光束的漂移量进行反馈控制。