| 1. | Strain measuring system based on chirped gratings and edge linear filtering demodulation technology
啁啾光栅结合边缘线性滤波解调的fbg应变测量系统 |
| 2. | Dynamic strain measuring system of explosive containment vessel under intense electromagnetic interference environment
强电磁干扰环境下的爆炸容器动态应变测试系统 |
| 3. | The strains measured by both methods were compared , and the strain sensing properties of fbgs were calibrated by using strain gauge
根据fbg光纤传感器波长和应变传递关系,通过实验对fbg光栅光纤的传感特性进行验证。 |
| 4. | The conventional resistance strain sensor has played the key role in short - time strain measuring . however , it also has some disadvantages in some aspects
针对大型民用基础设施的长期在线应变测量，常规的电阻应变片难以满足其施工监测以及服役期间的状态监测的需要。 |
| 5. | It includes dynamic indentation experimental equipment , strain measuring circuit , data acquisition system . this system can be used to implement dynamic indentation experiment on the material surface
这套系统可以用来对材料进行动态压痕试验,获得材料的动态力学参数,也可以获得材料的动态应力-应变曲线,从而分析材料的动态塑性性能。 |
| 6. | For example , it must have temperature compensation , and it is not suitable for long - time strain measuring . the fiber optic fabry - perot strain sensing is a new strain sensing technology at the end of 1980
光纤法珀应变传感是80年代末发展起来的一种新型应变测量技术。国内外对光纤f - p应变传感技术的研究已经相当深入，但还有不少工作要做。 |
| 7. | In this paper , a pump auto piping concrete made by some company is used as an object of study , and tbs - 2000 strain measuring system is used to measure the pump in the way of dynamic stress , statistic stress and proper frequency
本论文以某公司生产的水泥混凝土泵车为研究对象，采用tbs ? 2000应变测试系统对该泵车进行了动、静态应力测试及固有频率测试。 |
| 8. | Data processing software is designed for tbs - 2000 strain measuring system in the classical virtual instruments engineering workbench ; it is applied to process the data which are acquired in the way of dynamic stress analysis , statistic stress analysis and proper frequency analysis
利用虚拟仪器的典型开发平台labview针对tbs ? 2000应变测试系统开发了数据处理软件；利用该数据处理软件对测试所得的数据进行了动、静应力分析和固有频率分析。 |
| 9. | As the main method of measurement in the tests , some strain measuring points are arranged on the reinforced steel bars of the anchor bearing body . the changes of strain with different loading levels at their locations have been measured , through which range of influence and distribution of strain with loading in grout can be investigated , and corresponding distributions of axial force and bond stress are calculated according to hooke ' s law . making use of nonlinear curve fitting , distribution equation of bond stress of the fixed unit anchor length is achieved
试验测试手段通过在锚索承载体上布设应变测点，观测锚索在不同的荷载级别下的应变变化情况，对不同荷载级别下，单元锚索注浆体内应变的影响范围及分布规律展开分析，依据虎克定律计算出了其轴力与粘结应力的分布；并对测试结果进行了拟合，得出了锚固段粘结应力分布的拟合方程。 |
| 10. | Thirdly , cbt ' s characteristic of the strain v . s . the applied pressure is studied , on the basis of this , a new scheme of the straight bourdon tube ( sbt ) is presented , a sbt is designed and fabricated , and then the strain - pressure characteristics of both the cbt and sbt are measured experimentally using a strain measuring technique , a comparison between the cbt ' s and sbt ' s strain characteristics is also made . finally , theoretical models of a fbg fluid pressure sensing system scheme based on the bourdon tube are developed , and a fbg - based fluid pressure sensing system using the transverse strain - pressure characteristic of the sbt is designed and set up
首先，详细介绍了fbg的基本光学传感特性，并测量了fbg的温度、应变特性；其次，研究了c型弹簧管的位移?压力特性，并利用ccd成像和计算机图像处理技术对其进行了非接触测量；再次，研究了c型弹簧管的应变?压力特性，在此基础上提出直弹簧管的设计方案，并制作了直弹簧管，采用应变测量技术对c型弹簧管和直弹簧管的应变?压力特性分别进行了测量，对两者的应变特性做了比较；最后，建立了基于弹簧管的fbg压力传感系统理论模型，设计完成了基于直弹簧管横向应变?压力特性的fbg流体压力传感系统。 |
