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位移测量激光
相关语句
  laser displacement measurement
     COUPLED DIFFERENTIAL LASER DISPLACEMENT MEASUREMENT INTERFEROMETER WITH NANOMETRIC RESOLUTION
     耦合差动式纳米级分辨力位移测量激光干涉仪
短句来源
     A new laser displacement measurement interferometer with nanometric accuracy has been developed.
     介绍了一种新型的纳米级精度位移测量激光干涉仪。
短句来源
  相似匹配句对
     Research on laser deflecto-meter and displacement measurement system
     激光挠度、位移测量系统的研究与开发
短句来源
     The Laser Triangulation Measuring Sensor for Accurate Displacement Measurement
     激光三角测量传感器的精密位移测量
短句来源
     Measurement of laser parameters
     激光参数的测量
短句来源
     Synchronous sampling for multi-axis laser displacement measurement
     多轴激光位移测量同步采样技术
短句来源
     Measurement of Displacement of Floodgate Base by Multi-Beam Laser
     激光多光束闸墩位移测量研究
短句来源
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The theory of speckle interferometry is applied to study the measurement of the in-plane displacement of solid surface by laser Doppler effect. Theoretical analyses and experiments prove that there is a random phase error in the measurement,which, although may be compensated to a certain extent, will impede further improvement of measurement accuracy. Besides, the reason of the random signal drop-out in the measurement is also studied, and the method of extending the range in which the signal maintains continuous...

The theory of speckle interferometry is applied to study the measurement of the in-plane displacement of solid surface by laser Doppler effect. Theoretical analyses and experiments prove that there is a random phase error in the measurement,which, although may be compensated to a certain extent, will impede further improvement of measurement accuracy. Besides, the reason of the random signal drop-out in the measurement is also studied, and the method of extending the range in which the signal maintains continuous is given as well.

本文采用散斑干涉理论研究固体表面面内位移测量的激光多普勒效应方法。理论和实验表明测量结果中存在一项随机相让误差,尽管该误差可在一定程度上补偿,但不能消除,因而限制了测量精皮的提高。此外,本文还给出了测量过程中信号随机消失的原因以及延长信号不间断距离的方法。

A new laser displacement measurement interferometer with nanometric accuracy has been developed.It's defined “Coupled Differential Interferometer”.The new interferometer is simple in concept,stable in performance,easy to set up and align,symmetric in optical paths and free of optical deadpath.A λ /800 resolution and an accuracy of a few nanometers can be achieved within the range of 10 mm.

介绍了一种新型的纳米级精度位移测量激光干涉仪的设计原理与应用,该干涉仪以独特的光学原理被命名为“耦合差动式激光干涉仪”.其结构简洁紧凑,性能稳定,光路布局对称性好,不存在死光程,光程差倍增,容易装调,符合阿贝原则和结构变形最小原则,在10mm (可以扩展至50 m m )测量范围内,获得了λ/800 的分辨力和纳米级的测量精度.

A new laser displacement measurement interferometer with nanometric accuracy has been developed. A new method called Coupled Differential Interferometry is proposed. The resolution and the stability of the interferometer are improved by multiplicating the optical path difference (OPD). The new interferometer is simple in concept, symmetric in optical paths, without optical deadpath, easy to set up and align. A λ/1600 resolution and a few nanometer accuracy are achieved within the range of 10 mm.

介绍了一种新型的纳米级精度位移测量激光干涉仪。提出了耦合差动干涉的新方法。通过对光程差进行倍增 ,提高了干涉仪的分辨率和稳定性。该干涉仪结构简洁紧凑 ,光路布局对称性好 ,不存在死光程 ,容易装调 ,符合阿贝原则和结构变形最小原则 ,在 10 mm (可以扩展至 50 mm )测量范围内 ,获得了λ/16 0 0的分辨率和纳米级的测量精度。

 
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