数字剪切散斑干涉技术的应用  

Application on Digital Shearing Speckle Pattern Interference Technology

作　　者：景敏[1] 

机构地区：[1]陕西理工学院机械工程学院,陕西汉中723003

出　　处：《光电技术应用》2012年第4期71-74,82,共5页Electro-Optic Technology Application

基　　金：陕西理工学院科研基金资助项目(SLGKY11-04)

摘　　要：介绍了剪切散斑的测量原理及成像方式,详细讨论了剪切成像的常见方式并总结了各种方式的优缺点及适用场合,探讨分析了几种常用加载方式的特点。由于数字剪切散斑干涉技术具有高精度、非接触、可直接测量应变并且抗干扰能力强等优点,已经广泛应用于应变分析、无损检测和振动检测等领域。重点分析了它在无损检测方面的应用以及特点及优点。The measurement principles and imaging methods of shearing speckles are introduced in detail. The common shearing imaging modes are discussed in detail and the characteristics of several basic loading methods are discussed and analyzed. The technology has been used in the areas of strain analysis, non-destructive testing and vi- bration testing etc. widely for the merits of high precision, non-contact, directly measuring strain and insensitivity against ambient noise. The application in the area of non-destructive testing and relative characteristics and advan- tages of DSSPI are emphasized.

关 键 词：光学测量 数字剪切散斑干涉 无损检测 

分 类 号：O348.12[理学—固体力学]