Abstract

A new direction recognizing and subdividing method for moire (interference) fringes is presented. By setting two certain thresholds, counting errors caused by direct voltage excursion are avoided. Counting and direction recognizing are discussed in detail. Experimental results are given. The better adaptability and large subdivision number are the good quality of this method.

© 2005 Chinese Optics Letters

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  1. H. B. Lu, J. L. Cao, S. J. Su, and G. L. Tang, Proc. SPIE, 4077, 40 (2000).
  2. J. Cui, H. Q. Li, and Q. Chen, Opt. Technique (in Chinese) 26, 294 (2000).
  3. W. X. Yu, Z. Q. Zou, and X. T. Hu, Aviation Precision Manufacturing Technology 37 (4), 35 (2002).
  4. X. P. Jing, S. P. Li, Y. S. Liu, and Y. L. Qiu, J. Shenyang Polytechnic University 16 (2), 18 (1994).

2000 (2)

H. B. Lu, J. L. Cao, S. J. Su, and G. L. Tang, Proc. SPIE, 4077, 40 (2000).

J. Cui, H. Q. Li, and Q. Chen, Opt. Technique (in Chinese) 26, 294 (2000).

Cao, J. L.

H. B. Lu, J. L. Cao, S. J. Su, and G. L. Tang, Proc. SPIE, 4077, 40 (2000).

Chen, Q.

J. Cui, H. Q. Li, and Q. Chen, Opt. Technique (in Chinese) 26, 294 (2000).

Cui, J.

J. Cui, H. Q. Li, and Q. Chen, Opt. Technique (in Chinese) 26, 294 (2000).

Li, H. Q.

J. Cui, H. Q. Li, and Q. Chen, Opt. Technique (in Chinese) 26, 294 (2000).

Lu, H. B.

H. B. Lu, J. L. Cao, S. J. Su, and G. L. Tang, Proc. SPIE, 4077, 40 (2000).

SPIE, Proc.

H. B. Lu, J. L. Cao, S. J. Su, and G. L. Tang, Proc. SPIE, 4077, 40 (2000).

Su, S. J.

H. B. Lu, J. L. Cao, S. J. Su, and G. L. Tang, Proc. SPIE, 4077, 40 (2000).

Tang, G. L.

H. B. Lu, J. L. Cao, S. J. Su, and G. L. Tang, Proc. SPIE, 4077, 40 (2000).

4077 (1)

H. B. Lu, J. L. Cao, S. J. Su, and G. L. Tang, Proc. SPIE, 4077, 40 (2000).

Opt. Technique (in Chinese) (1)

J. Cui, H. Q. Li, and Q. Chen, Opt. Technique (in Chinese) 26, 294 (2000).

Other (2)

W. X. Yu, Z. Q. Zou, and X. T. Hu, Aviation Precision Manufacturing Technology 37 (4), 35 (2002).

X. P. Jing, S. P. Li, Y. S. Liu, and Y. L. Qiu, J. Shenyang Polytechnic University 16 (2), 18 (1994).

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