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精密激光
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  precision laser
     A brief description of Kern ME5000 precision laser distancemeter and its application
     Kern ME5000精密激光测距仪及其应用简述
短句来源
     The Approach to some Problems Concering Precision Laser Alignment
     精密激光准直若干问题的探讨
短句来源
     Application of Complex Programmable Logic Device to the Precision Laser Positioning System
     CPLD在精密激光定位系统中的应用
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     Investigation on Precision Laser Drilling with Plane Convex Resonator and Focusing of Quasi-light Column
     平凸腔准光柱聚焦精密激光打孔
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     Optics Technology on Precision Laser Scribing Machine
     精密激光刻划机中的光学技术
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  “精密激光”译为未确定词的双语例句
     Pecise laser pulse distance measurement and Distomat Wild DI 3000
     精密激光脉冲测距和Wild DI3000
短句来源
     The system runs well with over 10~(-9) of long term stabilization,can be used as frequency stabilized laser source for precise laser guidance weapon and precise laser measuring system.
     采用该主动控制系统的激光器频率长期稳定度优于10-9,可为精密激光制导武器及精密激光测量技术提供频率稳定的发射光源。
短句来源
     General principle of the precise laser distancemeter ME5000 and discussion of its developed measuring range using a portable computer
     精密激光测距仪ME5000基本原理及微机辅助扩展测程初探
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     Research on Precision Micro-displacement Laser Sensor System Based on Auto-servo Focusing Principle
     基于伺服自动聚焦的精密激光位移传感器研究
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     The GPS data of the Nankou geodynamic network in Beijing observed in October 1989 with WM 101 receivers and the adjusted geodetic data obtained in 1988, 1989 through precise EDM(Electronic Distance Measurement) are processed by the PoPS software. In this paper the data screening of observed GPS data is described, and the accuracy of GPS survey is analysed by comparison with the EDM data.
     本文利用PoPS软件处理了北京南口形变监测网1989年10月用WM101单频GPS接收机观测的资料及1988、1989年地面精密激光测距平差后的资料,介绍了GPS数据的筛选方法,分析了该网GPS观测结果的精度。
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  相似匹配句对
     The Ring Lasers for the Precise Measurement of Angle
     环形激光精密测角
短句来源
     Control system for Laser Resonant Cavity
     激光谐振腔的单片机精密控制系统
短句来源
     FREE ELECTRON LASER
     自由电子激光
短句来源
     Laser heat treatment
     激光热处理
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     PRECISION STEEL TUBES
     精密钢管
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  precision laser
The reliability of the software tool is confirmed by the results of processing of high-precision laser satellite observations.
      
Mathematical modeling of relativistic corrections for precision laser ranging with the OZIRIS spacecraft
      
It is shown that these corrections must be taken into account when carrying out precision laser ranging of the spacecraft with the goal of distance determination to within 20 cm or better.
      
The rate spectrum of small inelastic strains of the C60 single crystal in the temperature range 80-300 K has been obtained with a precision laser interferometer.
      
We demonstrate a method to determine the absolute mode number of a frequency comb when it is used for high-precision laser frequency measurement, without the help of wavemeters.
      
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Owing to the increasing use of laser alignment technique in engineering surveying, the problems of how to utilize it properly and to improve its precision have been rais- ed. Further study of laser alignment is necessary. This paper deals with three major problems: the circular zone plate, the atmosphe- ric effect and the detection of laser beam. Having derived the formulae to compute the intensity of the image formed by a circular zone plate, the author has come to the preliminary conclusion that a circular...

Owing to the increasing use of laser alignment technique in engineering surveying, the problems of how to utilize it properly and to improve its precision have been rais- ed. Further study of laser alignment is necessary. This paper deals with three major problems: the circular zone plate, the atmosphe- ric effect and the detection of laser beam. Having derived the formulae to compute the intensity of the image formed by a circular zone plate, the author has come to the preliminary conclusion that a circular zone plate with 5-7 clear zones and opaque central zone is considered most suitable in practice and by properly designing zone plate, the number of the plates used on an aligned line can be minimized. Then atmos- pheric refraction and air turbulence causing random deflections are discussed in the pa- per, for they impose restrictions on alignment accuracy. The effect of atmospheric refraction is mathematically analyzed, some measures to reduce the effect are introduced and the design of the detector is discussed.

精密激光准直在工程测量工作中应用日益广泛。为了合理地、有效地应用这个方法,提高其准直精度,需要对它作进一步的研究和分析。本文推导了圆形波带板的成象公式,分析了它的成象规律,得出如何合理地设计波带板的初步看法。同时,文章也对大气折光影响做了较为详细的分析,提出了减弱其影响的措施以及改善探测器设计的方案。

We give a detailed description of elastic tidal deformation of the moon. The new Love numbers of the moon are resolved for a new realistic moon-model which composed of new data of moon-quakes, gravity, liberation and topography of the moon. The values of these numbers differ from that resolved for simple moon-models by some other authors. Using the new Love numbers of the moon and the earth, which are resolved for 1066 A earth-model, the tidal deformation of the moon and the earth are computed. This result is...

We give a detailed description of elastic tidal deformation of the moon. The new Love numbers of the moon are resolved for a new realistic moon-model which composed of new data of moon-quakes, gravity, liberation and topography of the moon. The values of these numbers differ from that resolved for simple moon-models by some other authors. Using the new Love numbers of the moon and the earth, which are resolved for 1066 A earth-model, the tidal deformation of the moon and the earth are computed. This result is used to the correction in lunar laser ranging. The conclusion is that this correction, caused by tides of the moon and the earth, is unnegligible.

本文详细论述了月球的弹性潮汐形变问题,并根据作者最近用较新的地球和月球模型解算出的地球和月球的勒夫数,计算了地球和月球的弹性潮汐形变。这个结果被用于精密激光测定月-地距离的改正。结果表明,在精密激光测月中,地、月潮汐的影响是不可忽视的。

In this paper, the principle of distance measurement using Distomat Wild DI3000 is introduced with comments on the new development of laser pulse measurement. A comparison is made oF the time-pulse distance measurement method with that of the phase method. The merit of the prccise method of laser pulse-timing distance measurement is discussed with a description of the technical data of Distomat wild DI 3000.

本文结合激光脉冲测距技术的新发展,介绍了wiId DI 3000仪器的测距原理;并对激光脉冲测距和相位法测距相比较,讨论了精密激光脉冲测距的优点,结台wild DI 3000仪器的技术指标作了阐述。

 
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