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本文介绍了用斜光轴散斑照相测量三维位移的新技术。可以提高测量离面位移的精度并能充分利用照相镜头的视场。给出了试件和一台精密车床主轴箱热变形的三维位移测试结果。介绍了自动处理杨氏条纹图的 AppleⅡ微机系统。
This article describes a new technique for measuring three-dimensional displacement using oblique-axis speckle photography. Increases the accuracy of measuring off-plane displacements and maximizes the field of view of photographic lenses. The results of three-dimensional displacement test of the specimen and a precision lathe headstock are given. This paper introduces the AppleⅡ microcomputer system that automatically processes the Young’s stripes.