Automatic analysis technique of spatial carrier-fringe patterns

被引:4
作者
Chen, WY
Tan, YS
Zhao, H
机构
[1] Department of Mechanical Engineering, Xi'an Jiaotong University, Xi'an
关键词
D O I
10.1016/0143-8166(95)00059-3
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
This paper gives a systematic description of phase demodulation method of spatial carrier-fringe patterns, and compares some phase demodulation methods in view of filtering. The error and distortionless range of the demodulated phase are also discussed when the carrier fringes are sinusoidal or nonsinusoidal. Finally, a new phase-locked demodulation method is proposed and its mathematical model is derived. Experimental results show that this is a precise and rapid method.
引用
收藏
页码:111 / 120
页数:10
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