| 1. | The vibration measurement using espi and crack detection of a plate with a crack 含裂纹平板的电子散斑振动测量与识别 |
| 2. | The first chapter mainly introduces the development and application of espi ; it also introduces main work of this paper 第一章主要介绍了国内外电子散斑技术的发展、应用,并介绍了本文的主要工作。 |
| 3. | Based on the analysis of imaging methods of espi , this paper also analyzes the factors that affect precision of measurement 在对电子散斑测量的各种方式的分析基础上,分析了影响测量精度的主要因素。 |
| 4. | In chapter two , characters of speckle and principle of espi are introduced ; the principle of in - plane and off - plane measurement with espi is also introduced 第二章主要介绍了散斑的性质以及一般电子散斑测量的原理。 |
| 5. | In this new method , the conventional espi system can be used to obtain the high quantitative phase results without using the phase shifting or the carrier device 这种方法只需要普通的电子散斑干涉系统,就可以达到高精度的测量,而无需相移或载波装置。 |
| 6. | When the speckle interferometry or the electronic speckle pattern interferometry ( espi ) is applied to measure the continuous movement or deformation of an object , a temporal speckle interference field will occur 散斑干涉或电子散斑干涉( espi )计量应用于连续运动或变形物体时,就会产生一个时变的散斑干涉场。 |
| 7. | It is the first time to use the conventional espi system ( neither phase shifting nor carrier is used ) to continuously analyze the super low frequency vibration with high quantitative in the world 在火箭固体燃料动态力学特性研究中,时间序列法成功的给出了固体燃料的蠕变曲线和蠕变速率曲线,并且给出了其热变形和蠕变不同时刻的全场位移分布。 |
| 8. | In this paper , the mechanical behaviors of the polythiophene ( pth ) and ploypyrrole ( ppy ) films are experimentally investigated using an electronic speckle pattern interferometry ( espi ) method and an equipment with a sensitive mechanical sensor 本文采用对面内位移敏感的电子散斑干涉技术和带有自制的灵敏力传感器的实验装置对不同厚度的聚噻吩薄膜试样进行了拉伸实验。 |