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1)  grating strain
光栅应变
1.
This conveniencethe utility of grating strain method.
本文应用数字图象处理技术,对光栅应变法图象进行处理,提出了一种简捷的重心算法,使整个图象处理过程快速简单,自动化程度高,并能保证测量精度,使光栅应变法便于实际测试应用。
2)  grating rosette
光栅应变花
1.
A kind of three directional grating called grating rosette is made, and a new method for measuring residual stresses has been developed by means of the grating rosette and moire interference technique.
研制了一种有三个方向灵敏度的光栅 ,称之“光栅应变花” ,应用云纹干涉技术 ,结合钻孔法 ,能够比较准确地测试出材料、结构的残余应力状况。
2.
For eliminating the errors in deformation measuring and improving the accuracy in hole-drilling method,this paper presented an optical technique,grating rosette and Moiré interferometry.
针对钻孔法测量残余应力方法中变形测量存在的误差,提出用光栅应变花测量钻孔所释放的残余应变。
3)  grating stain method
光栅应变法
4)  FBG strain gauge
光纤光栅应变片
1.
In this structure, the sensitive Bragg grating was designed in the internal space of the optical connector to realize the plug separated structure,so as to ensure the FBG strain gauge has the characteristics of small volume,light weight and the convenience similar to the optical connector in use.
光纤光栅应变片是一种新型的光纤光栅应力传感预制结构,它把布拉格光栅封装在光连接器内部以实现分体插接式结构,从而保证光纤光栅应变片在具有布拉格光栅体小质轻等优点的同时,还具有类似于光连接器的使用便利性,从而解决了光纤光栅传感器使用复杂,不宜用作二次变换元件的缺陷,扩大了光纤光栅传感器的使用范围。
2.
A new general prefabricated strain sensor called FBG strain gauge is designed,which can be used as a quadratic transform component.
提出一种适合作为二次变换元件使用的通用型应变传感预制结构——光纤光栅应变片。
3.
The FBG strain gauge discussed in this paper is a kind of new prefabri- cated structures of FBG stress sensing.
光纤光栅应变片是一种新型光纤光栅应力传感预制结构,它通过把敏感光栅封装于光连接器内部而实现分体插接式设计,从而保证光纤光栅应变片在具有光纤光栅体小质轻等特点的同时,还具有类似于光连接器的使用便利性。
5)  FBG Strain Tube
光纤光栅应变管
6)  fiber Bragg grating strain sensor
光纤光栅应变传感器
1.
The fiber Bragg grating strain sensor has some disadvantages such as poor received signal intensity and the low signal-to-noise ratio.
针对光纤光栅应变传感器接收信号弱且信噪比低这一问题,提出了应用DSP技术来抑制噪声,提高Bragg峰值波长检测精度的方法。
补充资料:凹面光栅
分子式:
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性质:又称罗兰光栅(Rolland grating)。它的作用是使光既衍射又聚焦。因而凹面光栅摄谱仪只需光栅、狭缝及感光板三部分。它可减少吸收现象,只存在光栅面一次反射的光损失,且无色差。可用于远紫外及远红外光谱区域。

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