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interference measurement     
相关语句
  干涉测量
     By using vacuum pipe combination of 4.3m telescope with 2.16m telescope as CCD photograph and optical interference measurement, its resolution has reached the resolution equivalent to 10m telescope.
     将4.3米与2.16米望远镜用真空管道联机集像作CCD照相和光干涉测量,提高分辨率达10余米口径。
短句来源
     The application of coherent gradient sensing interference measurement in static fracture mechanics experiments
     相干梯度敏感干涉测量技术及在静态断裂力学实验中的应用
短句来源
     STUDY OF PHASE SHIFTING DEVIATION COMPENSATION TECHNOLOGY IN PHASE SHIFTING INTERFERENCE MEASUREMENT
     相位偏移干涉测量中移相误差补偿技术研究
短句来源
     Positive and negative didffraction beams are produced by the grating. The movement of the grating causes the doppler frequency shift. Then the diffraction beam is interfered with the laser beam of another frequency to perform the heterodyne interference measurement of the grating movement.
     提出一种新的测量光栅运动的方法,它利用声光调制器产生两个频率的激光,将其中一个频率的光入射到光栅上,产生正负级衍射光,光栅的运动使衍射光实现多普勒频移,然后将衍射光与另一频率的光干涉,即可实现光栅运动的外差干涉测量
短句来源
     High precision laser interference measurement system is the decisive factor of precision displacement measurement.
     高精度的激光干涉测量系统是精密位移测量的决定性因素。
短句来源
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  干涉计量
     DEVELOPMENT OF VIBRATION REDUCING PLATFORM SYSTEM USED BY LASER INTERFERENCE MEASUREMENT
     激光干涉计量减振平台系统的研制
短句来源
     Results The measured He-Ne laser with full internal cavity and glass tube: M2=1.422, the measured semiconductor laser: M2= 1.559. Conclusion A majority of He-Ne lasers and cheap semiconductor lasers on the market can be used in medicine, but are not suitable in interference measurement and holographic imaging, etc.
     结果所测全内腔玻璃外壳He-Ne激光器的M2=1.422,半导体激光器的M2=1.599。 结论市场上流通的He-Ne激光器和廉价的半导体激光器大都可以用于医学应用,不适于用作干涉计量或全息照相等方面的应用。
短句来源
     Phase measurement technology is a high precise method in interference measurement and phase profile measurement.
     光学相位测量技术是干涉计量和三维轮廓测量中的高精度测量方法。
短句来源
     As for as measuring the shape of the surface of phase type grating is concerned,we,using the least square method to fit quandric curves,remove the influence on the precision of measurement from the errors in quantitating the size of image element of CCD and the image gathering cards in CCD optic interference measurement and increase the location precision of interference bands to more than one order.
     本文针对相位型光栅的面形测量,用最小二乘法做二次曲线拟合,解决了CCD光学干涉计量中像素尺寸以及图像采集卡空间量化误差对测量精度的影响,使干涉条纹定位精度提高一数量级以上。
短句来源
  “interference measurement”译为未确定词的双语例句
     The precision of laser interference measurement nearly reaches 0.92% and the least stress that could be measured is 15.7MPa.
     激光干涉法的精度可达 0. 92%,可测量的最小应力值为 15. 7MPa;
短句来源
     Interference measurement of dynamic thermal effect induced by optical pumping of YAG crystal rod
     YAG激光棒光泵浦动态热效应的干涉测试
短句来源
     Compared to laser interference measurement,the precision of laser beam deflexion measurement is low,it is about 2.12%,the least stress which could be measured is 25.5MPa,and space resolution is low as well,which is approximate 100μm.
     激光束偏转法较低,为 2. 12%,可测量的最小应力值为 25. 5MPa,空间分辨率低,约为 100μm。
短句来源
     Improve the precision of the Interference Measurement
     用最小二乘法提高 CCD 干涉计量的精度
短句来源
     Anti interference measurement method for medical equipment signal testing system
     医用设备信号测试系统中的抗干扰措施
短句来源
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  interference measurement
We also compare the performance of the Kalman method with a traditional Signal-to-interference-ratio method and a control method that is based on the last interference measurement.
      
Simple, fast method for patient body capacitance and power-line electric interference measurement
      
Current uplink power control algorithm of code division multiple access (CDMA) time division duplex(TDD) system contains signal-to-interference-ratio(SIR) and interference measurement, which is based on history information.
      
It all began with manually operated interference measurement receivers with a conventional meter to read the measurement.
      
For more information about interference measurement refer to Chapter 1, Introduction, Section Interferences.
      
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Making use of the laser advantages, we have developed a versa-tile polarized laser interferometer of high precision and with simple operation.A quarter wave-plate and polarizing beam-split prism system is applied, so that thisinstrument can adjust contrast of interference fringes and eliminate the adverseeffects of the stray light reflected from surfaces of the interferometer. The designof this instrument and some of its experimental results are given here. The methodof realizing uniform inclination interference...

Making use of the laser advantages, we have developed a versa-tile polarized laser interferometer of high precision and with simple operation.A quarter wave-plate and polarizing beam-split prism system is applied, so that thisinstrument can adjust contrast of interference fringes and eliminate the adverseeffects of the stray light reflected from surfaces of the interferometer. The designof this instrument and some of its experimental results are given here. The methodof realizing uniform inclination interference measurement with one of the intercha-ngeable objectives of testing spherical mirror, the apparatus of quick fringe acquisi-tion and the double rhomboid-prism alignment system designed for operating withease, are also described.

利用激光的优点,研制了一种操作方便、用途广泛、精度高的偏振激光多用干涉仪。仪器采用了1/4波片、偏振分光镜系统,能调节干涉条纹反差和消除光学系统各表面剩余反射的影响。主要介绍了仪器的设计思想和若干试验结果。分析了以抛光面为条件确定检偏器转角的方法,描述了利用可换物镜组方便地实现等倾干涉测量的方法,和为操作方便而设计的迅速形成干涉条纹装置及双菱形镜对准装置等问题。

In this article, a new way is explored, which uses the method of image reconstruction from the projection based on the theory of random transformation, to determine simultaneously the magnetic configuration and 2-D distribution of physical quantities of non-circular cross-section plasma from the diagonostic results. Assuming that the distributions of the physical quantities only depends on the magnetic surface function and all the surfaces are similarly concentric, we have proposed three methods of treatment....

In this article, a new way is explored, which uses the method of image reconstruction from the projection based on the theory of random transformation, to determine simultaneously the magnetic configuration and 2-D distribution of physical quantities of non-circular cross-section plasma from the diagonostic results. Assuming that the distributions of the physical quantities only depends on the magnetic surface function and all the surfaces are similarly concentric, we have proposed three methods of treatment. For D-shaped plasma, the analytical treatment and numerical simulation have been discussed in detail. An example of determination of magnetic configuration and electron temperature and density from soft X-ray and microwave interference measurements has been demonstrated.

本文试图探索一条途径,通过弦测量迅速定出非圆截面等离子体的磁场位形,同时重构出待测物理量的二维分布。假设位形为同心相似的嵌套、分布为磁面的函数,从Radon变换出发,导出了三种方法,不失一般性,着重对D形截面的情形进行了解析推导和计算机模拟,讨论了综合处理多种弦测量的可行性,模拟了利用软X射线和微波同时测量,一次性定出磁场位形和电子温度、电子密度分布的过程。

This paper point at the main problems of interference measurement. The method of compensator calibration and the formula of compensator correction are presented. The Chinese quartz meter system is made. Weather Condition and refraction correction are investigated. At final, above works are testified with standard baseline measurement.

本文针对光干涉测量中几个主要问题,在大量实践的基础上,提出了光学补偿器格值的检定方法和室内新的补偿公式;通过对石英球端面标准米尺尺长的相对测量,提出了建立我国石英米系统的可行方案;找出有利干涉测量的气候条件,研究和验证了光干涉测量新的大气修正公式。最后通过礼泉光干涉标准基线的实测,使以上工作得到综合验证。

 
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