应变测量

PVDF在动态应变测量中的应用

Application of PVDF in dynamic strain measurement

影象莫瑞法是三维应变测量中的一种方法，是测定W场位移的一种有效的实验手段。

Shadow-moire technique is a kind of three-dimensional strain measurement , it is a useful experimental method in measuring the displacement in W-field .

EAST装置主支撑应变测量

Strain measured system of the main support structure of the EAST

SAW应变测量中谐振频率提取技术研究

Research on resonant frequency measurement in SAW strain sensing

基于CCD的应变测量系统在辊弯成型中的应用研究

Application of Strain Measurement System in Roll Forming Based on CCD

光纤Bragg光栅应变测量中啁啾特性的研究

Study on the Chirp Characteristic in Strain measurement by Fiber Bragg Grating

用纤内Bragg光栅进行动态应变测量的研究

Investigation of Fiber Bragg Grating for Dynamic Strain Measurement

可分离温度影响的FBG应变测量方法

Method to measure strain by separating temperature effect with fiber Bragg grating

指出完成数据采集和数据处理，显示和键盘控制是实现该基于DSP的一体化光纤应变测量仪的重要环节。

The four key steps to realize this gauge integrated with DSP were data acquisition , data processing , data display and keyboard control .

详细地叙述了用GPS和应变测量数据计算地壳水平速度和水平应变率的方法，这一方法满足变形协调性条件。

The method for computing crustal horizontal velocities and strain rates with repeated GPS survey and other crustal deformation measurements has been presented in detail .

SHPB试验装置的电阻应变测量系统的误差分析

The Accuracy Analysis of the Strain Gage Measurement System of SHPB Apparatus

介绍一种采用啁啾光栅并结合边缘线性滤波解调的FBG应变测量系统。

In this paper , strain measuring system based on chirped gratings and edge linear filtering demodulation technology is presented .

土木工程健康监测用F-P光纤应变测量技术

Technology of strain measurement based on Fabry-Perot optical fiber sensor in monitoring of civil engineering

两点应变测量法在SHPB测量技术上的运用

Application of two-point strain measurement to the SHPB technique

HT-7U超导模型线圈电阻应变测量

Strain Measurement Using Bonded Resistance in HT-7U Superconducting Model Coil

本文以光纤光栅F-P干涉仪作为探头设计了应变测量系统，并进行了理论和实验研究。

The paper makes use of F-P interferometer as sensing head to design and study experimentally microstrain measurement system .

以等强度梁为实验平台，搭建应变测量系统，研究PVDF在拉伸工作模式下的特性。

Constructing the strain measurement system and studying characteristics of PVDF based on the experimental platform put up by uniform strength beam .

光纤布拉格光栅（FBG）应变测量是基于光栅受到轴向应变作用时其波长将会发生相应变化。

The strain measurement by the fiber Bragg grating ( FBG ) is achieved by the change of FBG ′ s wavelength upon axial strain .

为了能对任意构造带中的岩石进行有限应变测量，作者还提出了一种普适的改进Robin法。

For further popularizing , a universal improved Robin method is put forward so as to give finite strain measurement in the rock of any tectonic zone .

采用密度、DSC、应力&应变测量、溶剂诱导结晶和声速测定等方法研究了物理老化对非晶态PET膜和纤维结构与性能的影响。

Effects of physical aging on the structure , mechanical properties and crystallization behavior of amorphous PET film and fiber are studied by density , DSC , stress-strain curve , solvent-induced crystallization and sonic velocity measurements .

设计了一种新型多通道应变测量系统，该系统能够消除测量环节中的运算放大器、AD转换器及电桥供电电源漂移的影响，具有极高的测量精度和稳定性。

A new multichannel strain measuring system has been designed . The system can eliminate the effects from the drifts of operational amplifier , A / D convertor and active bridge during measurement , and has extremely high accuracy and stability .

布里渊散射光时域反射计（BOTDR）是近年来才研发成功的分布式应变测量技术。

Brillouin Optical Time-Domain Reflectometer ( BOTDR ) is a newly developed distributed measuring technique for strains .

由该应变测量系统评价的DPD膨胀水泥体系在大庆油田延时测井的调整井固井中，见到了明显的效果。

The DPD expansion cement slurry system evaluated by the system exhibits remarkable effect in the adjustment well cementing of time delay logging in Daqing Oilfield .

试验结果将在TESPE装置的实际应变测量中进行误差修正。

These results will be used to correct the actual measurements in TESPE device .

利用岩石应变测量方法测量出岩石中变形标志体长轴、中间轴、短轴之间的比值（X∶Y∶Z），计算构造块体的三轴比率；

Through finite strain measurement , the major axis ( X ), the middle axis ( Y ) and the minor axis ( Z ) in the deformed rocks can be measured , and the ratio among the three axes ( X ∶ Y ∶ Z ) can be calculated .

本文设计了一个简便的Fry应变测量法的计算机制图求解程序，将实测的标志体中心点化为坐标值输入机内，便可得到一张完整的Fry图解。

A Simple computer simulation drawing program for the Fry method is designed in this paper . After the marker center point was inputted in a Computer by changing it into a coordinate value , a perfect Fry diagram will be obtained .

基于这一应变测量技术开展了极端环境下5T超导磁体的力学实验研究，有效地实现了其在低温、强磁场下线圈内轴向、环向应变测量。

Based on this strain measurement technology , the hoop and axial strains of the LPT model superconducting magnet ( 5T ) under cryogenic temperature and intense magnetic field were also measured effectively .

波长解调技术是光纤布拉格光栅在温度、应变测量等领域应用的关键技术，提出并实现了一种基于可调谐Fabry-Perot滤波器的波长解调系统设计方案。

Wavelength demodulation is the key technology in temperature and strain measurement using Fiber Bragg Grating sensors . An approach of wavelength demodulation system based on Fabry-Perot tunable filter is proposed and demonstrated . A tunable Fabry-Perot filter is controlled by scanning signal .

初步实验结果表明：本系统能够对上述两种传感器进行调解，FBG和FFP传感器的应变测量精度分别在0.5με和2με以下，是一种低成本、通用的解调系统。

The experiment result shows that the system has the measurement accuracy of less than 0 . 5 με and 2 με corresponding to FBG sensors and FFP sensors . It is demonstrated that this system can demodulate FBG and FFP sensors effectively .

介绍了布里渊光时域反射计（BOTDR）的分布式光纤应变测量原理，并应用BOTDR技术对钢筋混凝土T型梁加载后的应变分布进行了测量。

The principle of Brillouin optical time domain reflectometer ( BOTDR ) is introduced and its application to the strain monitoring of the strain distribution of the reinforced concrete beam is studied .