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twin-frequency
相关语句
  双频激光
     Calibrating system of uncertainty for CMM based on twin-frequency laser
     基于双频激光干涉的坐标测量机测量不确定度检定系统
短句来源
     Scanning and sampling wave-front of sub-apertures is fulfilled by the pentagonal prism light turning system set on movable rail which can move on the rail platform, Meanwhile, tiny leaning angles of pentagonal prism are measured by Wollaston twin-frequency interferometer in order to amend scanning light beam's turning errors.
     它通过置于能够沿导轨平台运动的运动导轨上的五角棱镜光束转向系统完成对子孔径的扫描采样,同时采用渥拉斯顿棱镜型双频激光干涉仪实时测量五角棱镜的微偏角,以便修正扫描光束转向的波前误差;
短句来源
  双频
     Calibrating system of uncertainty for CMM based on twin-frequency laser
     基于双频激光干涉的坐标测量机测量不确定度检定系统
短句来源
     Scanning and sampling wave-front of sub-apertures is fulfilled by the pentagonal prism light turning system set on movable rail which can move on the rail platform, Meanwhile, tiny leaning angles of pentagonal prism are measured by Wollaston twin-frequency interferometer in order to amend scanning light beam's turning errors.
     它通过置于能够沿导轨平台运动的运动导轨上的五角棱镜光束转向系统完成对子孔径的扫描采样,同时采用渥拉斯顿棱镜型双频激光干涉仪实时测量五角棱镜的微偏角,以便修正扫描光束转向的波前误差;
短句来源
     The deficiency of dual vibration composition with oscillograph is analized, BS- Ⅱ type of twin-frequency adjustable phase generator is designed. Some experimental images with the generator are given.
     指出了用示波器演示双振动合成的不足,设计了BS-Ⅱ型双频调相信号仪,并给出了应用该仪器获得 的部分实验图象.
短句来源
     Profilometry for phase measurement with non-integral twin-frequency grating
     非整数倍双频光栅投影的相位测量轮廓术
短句来源
     Due to integral proportional two-phase-unwrapping method which adopts integraltwin-frequency grating and low-frequency guide will result in error transfer, a novel optical 3-D sensingmethod using non-integral twin-frequency grating is proposed.
     采用整数倍双频光栅投影的借助低频相位导向的双相位图成整数比例相位展开方法不可避免误差积累传递,由此提出了一种采用非整数倍双频光栅投影的新光学三维传感方法。
短句来源
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  twin-frequency
A high-power, twin-frequency, optically-pumped, far-infrared (FIR) laser has been developed at UCLA for diagnostic application on the TEXT tokamak.
      


A method for the measurement of optical path difference by phase difference of optical beat is discussed with respect to a Gauss beam from a twin-frequency laser with its light frequency and frequency difference stabilized. The measurement of tiny path difference is performed bv this method with a measurement sensitivity of the order of 1A.

文大讨论了双稳频双频激光高斯光束光拍检测程差的方法。报道了用这种方法检测微小光程差,其灵敏度达1A。

This paper presents the possibility and potential to counter ARM with twin frequency-agility radar in synchronous operation. The mathematical model of probability and mean square deviation for directional errors produced in ARC is given in this paper, which will facilitate the evaluation of effectiveness of countering ARM with twin frequency-agility radars in synchronous operation.

本文研究了双台捷变频雷达同步工作对抗ARM的可能和潜力,给出了造成ARM产生定向偏差的概率,以及定向偏差的统计均方根值数学模型,以便作为双台捷变频雷达同步工作对抗ARM效果的评估。

Based on the analysis of limitations of calibrating instruments ever used for CMM, a design of CMM twin frequency laser calibrating instrument is put forward, thus the problem of calibrating the indicating accuracy of CMM in any one dimension and in space by installing calibrating instrument one time can be solved

分析了现有坐标测量机精度检具的局限性,提出了坐标测量机双频激光定标仪的设计方案,解决了在一次安装中以激光波长为长度基准检定坐标测量机单轴和空间示值精度的难题。

 
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