介绍迈克尔逊干涉仪原理在测微小位移中的应用。
The application of Michelson interference principle in measuring small displacement is introduced.
利用正弦相位调制干涉技术检测微小位移,精度可达纳米量级。
By using sinusoidal phase-modulating interferometric technique, the testing of fine displacement can achieve nanometer accuracy.
本文介绍了根据散斑测微小位移原理测金属丝杨氏模量的方法。
This paper presents a method for measuring the young's modul-us of a filament on the basis of the principle for measuring a mini-displacement by laser speckle.
设计了一个自制的电容。并利用自制电容来实现对微小位移的测量。
A design of measuring the weeny displacement with the home-made capacitor is presented in the article.
在测量大坝、桥梁等建筑物的形变过程中,常需要采用微小位移测试技术。
When measuring the deformation of DAMS, Bridges and other buildings, the micro-displacement detection technology is often used.
本文介绍一种基于位置敏感探测器(PSD)的便携式微小位移测量系统的设计。
A new portable optical displacement measurement system based on PSD is introduced in which Position sensitive devices and Digital signal processor are applied.
由于超导体需运行在极低温环境,运用常规方法难以对超导体的微小位移进行测量。
But conventional methods are unuseful as the tiny displacement is hard to detect under cryogenic environment where superconductor works.
利用激光干涉条纹的位相,提出了一种简便、快速且精度很高的微小位移的测量方法。
Used the phase of laser interference fringes, a simple, fast and accurate micro displacement measuring method is proposed.
对所测试件选取适当的模型,应用弹性力学理论,推导出微小位移与焊接残余应力的关系式。
On the basis of model selection from the pieces tested and according to elastic mechanics, the relation between minute displacement and welding residual stress is deduced.
变气隙式电容传感器具有灵敏度高、特别适用于微小位移的非接触测量,对被测系统影响小。
Variable-gapcapacitance sensor has high sensitivity, specially applying to non-contact measurement of micro displacement, and slightly affecting the system to be measured.
分析了在直接频率调制下,激光二极管中的光反馈效应,探讨了振动微小位移和速度的理论模型。
By analyzing the direct frequency modulation and optical feedback effect of laser diode, a theoretical model for measuring small vibration displacement and velocity is discussed.
然后通过计算机程序运算和实验分析对数字散斑相关法测量微小位移和小变形的理论成果和正方体爬山粗细搜索法给出了验证。
The DSCM for measuring tiny displacement and strain and the cubic mountain climbing coarse-fine searching method are truly validated by program imitating calculation and experimental analysis.
这些相互作用对于占据2s和2p能级的电子有微小的不同,他们的能量位移部分的依赖于质子的半径。
These interactions are slightly different for electrons occupying the 2s and 2p energy levels and the resulting energy shift depends in part on the radius of the proton.
介绍了一种由高精度光纤位移传感器、弹性元件和微机组成的分辩率为毫克级的在线微小质量动态测量系统。
A dynamic measurement device of micro mass on-line utilizing microcomputer, flexible component and fibre-optic displacement sensor with high precision is presented.
通过计算机控制,加力机构可以对微小试件按力或位移控制方式加载,载荷大小通过传感器直接由计算机数字化。
The loading frame can work in either load-control or displacement-control mode, and signals from the load sensor are digitalized with the control computer.
热力模拟实验机的液压系统既要求工作在大流量区域,又要求工作在微小流量区域,需要在极宽的工作范围内精确地控制锤头的位移。
Thermomechanical simulator's hydraulic servo system requires working both in big flux area and small flux area, and it needs to control peen's position exactly in a large range of work area.
本文提出的方法可用于微小角位移的测量及角度定位。
This method can be used in high-accuracy measurement of the small displacement and angular position.
提出了一种测量微小角位移的新方法,该法基于一种金属包覆波导结构,通过棱镜耦合激发空气导波层中的超高阶导模作为灵敏探针。
Based on a symmetrical metal-cladding waveguide, ultrahigh-order modes in the guiding layer air gap can be excited through prism coupling to serve as sensitive probes.
压电陶瓷执行器具有位移分辨率高、响应快、刚度大、可微小化等优点,从而获得了广泛的应用。
Piezoceramic actuator exhibits remarkable properties such as high resolution, quick response, big stiffness and it is widely used.
它利用激光散斑技术,记录了由于微小楔角引起的散斑位移量的散斑图,由此导出被测试件的微小楔角。这种方法具有光路简单、非接触、精度高等特点。
The method uses laser speckle technique to record the shift amount of speckle patterns due to micro wedge angles, and thus micro wedge cangles of the test piece are induced.
提出了一种测量微小角位移的新方法,该法基于一种金属包覆波导结构,通过棱镜耦合激发空气导波层中的超高阶导模作为灵敏探针。
The free space coupling technique is utilized to excite the ultrahigh-order mode to act as a probe, which is considered to be very sensitive to the wavelength change.
提出了一种测量微小角位移的新方法,该法基于一种金属包覆波导结构,通过棱镜耦合激发空气导波层中的超高阶导模作为灵敏探针。
The free space coupling technique is utilized to excite the ultrahigh-order mode to act as a probe, which is considered to be very sensitive to the wavelength change.
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