Measurement of Curved Surface Roughness by Polychromatic Speckle Method

被引：2
|
作者：
Huang, Jing [1 ]
Yuan, Zongheng [2 ]
Ge, Yifan [3 ]
机构：
[1] Guizhou Minzu Univ, Div Sci & Technol, Guiyang 550025, Peoples R China
[2] Guilin Univ Elect Technol, Sch Elect Engn & Automat, Guilin 541004, Peoples R China
[3] Guizhou Minzu Univ, Sch Comp & Informat Engn, Guiyang 550025, Peoples R China
来源：
MATERIALS PROCESSING TECHNOLOGY II, PTS 1-4 | 2012年 / 538-541卷
关键词：
optical measurement; surface roughness; autocorrelation; speckle elongation; SCATTERING;
D O I：
10.4028/www.scientific.net/AMR.538-541.256
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of curved surface on the method of polychromatic speckle autocorrelation measuring surface roughness is studied by introducing the curvature radius of surface. The rough surface, and the dichromatic speckle patterns, and trichromatic speckle patterns are simulated, and the effects of different radius of curved surface on speckle patterns and speckle elongation ratio are discussed. The results show that the larger curvature radius is, the larger speckle elongation becomes, and the smaller the deviation of measured surface roughness is. Therefore, influence of curvature of rough surface on measurement precision should be taken into consideration during measuring process.
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页码：256 / +
页数：2
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