TY - GEN
T1 - A phase compensation technique of sampling moiré method for accurate single-shot phase analysis
AU - Ri, Shien
AU - Muramatsu, Takashi
AU - Saka, Masumi
PY - 2011
Y1 - 2011
N2 - Recently, a technique for fast and accurate phase analysis called sampling moiré method has been developed for measurement of small-displacement distribution. In this study, a distribution of phase error caused by linear interpolation in case with mismatch between the sampling pitch and the grating pitch is theoretically analyzed. Moreover, a technique for effective phase compensation is proposed to reduce the periodic phase error. The performance of our compensation method is validated by a computer simulation. Phase analysis can be performed more accurately even in the case that the sampling pitch does not match to the grating pitch strictly.
AB - Recently, a technique for fast and accurate phase analysis called sampling moiré method has been developed for measurement of small-displacement distribution. In this study, a distribution of phase error caused by linear interpolation in case with mismatch between the sampling pitch and the grating pitch is theoretically analyzed. Moreover, a technique for effective phase compensation is proposed to reduce the periodic phase error. The performance of our compensation method is validated by a computer simulation. Phase analysis can be performed more accurately even in the case that the sampling pitch does not match to the grating pitch strictly.
KW - Down-sampling
KW - Phase compensation
KW - Sampling pitch
KW - Spatial phase shifting method
UR - http://www.scopus.com/inward/record.url?scp=80054795285&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=80054795285&partnerID=8YFLogxK
U2 - 10.4028/www.scientific.net/AMM.70.243
DO - 10.4028/www.scientific.net/AMM.70.243
M3 - Conference contribution
AN - SCOPUS:80054795285
SN - 9783037852026
T3 - Applied Mechanics and Materials
SP - 243
EP - 248
BT - Advances in Experimental Mechanics VIII
T2 - 8th International Conference on Advances in Experimental Mechanics: Integrating Simulation and Experimentation for Validation
Y2 - 7 September 2011 through 9 September 2011
ER -