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In order to achieve precise extraction of the phase with a light feedback mechanism, based on empirical mode decomposition (EMD) algorithm, an adaptive phase extraction method is proposed in this paper. First of all, the EMD algorithm is acted on the self-mixing interference (SMI) mixed noise signals, then using the principle of HHT to extract the instantaneous phase information in the SMI signal in time and retrieve the true phase of the object from the wrapped phase. In this paper, the phase extraction algorithm based on EMD are simulated under different optical feedback conditions. Finally, an experimental setup based on SMI has been given for demonstration. Experimental results show that this method is correct in principle and can be used in the precise extraction and its maximum error is less than 1.6 rad. The simulation results are consistent with the experimental data, which show the effectiveness of the proposed method.
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Keywords:
- optical feedback self-mixing interference /
- phase extraction /
- EMD /
- denoising
[1] King P G R, Steward G J 1963 New Sci. 17 180
[2] Mao W, Zhang S L, Zhang L Q, Zhu J, Li Y 2006 Acta Phys. Sin. 55 4704 (in Chinese) [毛威, 张书练, 张连清, 朱钧, 李岩 2006 物理学报 55 4704]
[3] Zhu J, Zhao Y, Jin G F 2008 Chin. Phys. B 17 2979
[4] Ji J Y, Ye H Y, Yu Y G 2011 Laser Infrared 41 89 (in Chinese) [姬静毅, 叶会英, 禹延光 2011 激光与红外 41 89]
[5] Yang Y, Li X F, Kou K, Wang C 2012 Optics and Precision Engineering 20 1740 (in Chinese) [杨颖, 李醒飞, 寇科, 王错 2012 光学精密工程 20 1740]
[6] Servagent N, Bosch T, Lescure M 2000 Selected Topics in Quantum Electronics 6 798
[7] Guo D M, Tan S Q, Wang M 2006 Acta Optica Sinica 26 845 (in Chinese) [郭冬梅, 谈苏庆, 王鸣 2006 光学学报 26 845]
[8] Zhang Z Y, Gao Y, Zhao X H, Zhao X 2010 Laser Optoelectronics Progress 2010 96 (in Chinese) [张照云, 高杨, 赵兴海, 赵翔 2010 激光与光电子学进展 2010 96]
[9] Zweig D A, Hufnagel R E 1990 Advanced Optical Manufacturing and Testing, San Diego, July 01 1990 p295
[10] Pereira T, Vaz P, Oliverira T, Santos I, Pereira H C, Almeida V, Correia C, Cardoso J 2013 Physiological Measurement 34 3
[11] Liu G, Zhang S L, Xu T, Zhu J, Li Y 2005 Acta Phys.Sin. 54 4701 (in Chinese) [刘刚, 张书练, 徐亭, 朱钧, 李岩 2005 物理学报 54 4701]
[12] Zou M W, Feng G L, Gao X Q 2006 Chin. Phys. B 15 1384
[13] Huang N E, Shen Z, Long S R, Wu M C, Shih H H, Zheng Q, Yen N C, Tung C C, Liu H H 1998 Proc. Roy. Soc. Lond. A 454 903
[14] Wang F P, Zou W F, Ying Z 2009 Opto-Electronic Engineering 36 92 (in Chinese) [王凤鹏, 邹万芳, 尹真 2009 光电工程 36 92]
[15] Kong W, Xiao J, Chang Z T 2012 Journal of Projectiles, Rockets, Missiles and Guidance 32 189 (in Chinese) [孔伟, 肖剑, 常增田 2012 弹箭与制导学报 32 189]
[16] Andrade A O, Nasuto S, Kyberd P 2006 Biomedical Signal Processing and Control. 1 44
[17] Wei L, Xi J, Yu Y, Chicharo J 2006 Intelligent Signal Processing and Communications, Yonago, Dec 12-15 2006 p780
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[1] King P G R, Steward G J 1963 New Sci. 17 180
[2] Mao W, Zhang S L, Zhang L Q, Zhu J, Li Y 2006 Acta Phys. Sin. 55 4704 (in Chinese) [毛威, 张书练, 张连清, 朱钧, 李岩 2006 物理学报 55 4704]
[3] Zhu J, Zhao Y, Jin G F 2008 Chin. Phys. B 17 2979
[4] Ji J Y, Ye H Y, Yu Y G 2011 Laser Infrared 41 89 (in Chinese) [姬静毅, 叶会英, 禹延光 2011 激光与红外 41 89]
[5] Yang Y, Li X F, Kou K, Wang C 2012 Optics and Precision Engineering 20 1740 (in Chinese) [杨颖, 李醒飞, 寇科, 王错 2012 光学精密工程 20 1740]
[6] Servagent N, Bosch T, Lescure M 2000 Selected Topics in Quantum Electronics 6 798
[7] Guo D M, Tan S Q, Wang M 2006 Acta Optica Sinica 26 845 (in Chinese) [郭冬梅, 谈苏庆, 王鸣 2006 光学学报 26 845]
[8] Zhang Z Y, Gao Y, Zhao X H, Zhao X 2010 Laser Optoelectronics Progress 2010 96 (in Chinese) [张照云, 高杨, 赵兴海, 赵翔 2010 激光与光电子学进展 2010 96]
[9] Zweig D A, Hufnagel R E 1990 Advanced Optical Manufacturing and Testing, San Diego, July 01 1990 p295
[10] Pereira T, Vaz P, Oliverira T, Santos I, Pereira H C, Almeida V, Correia C, Cardoso J 2013 Physiological Measurement 34 3
[11] Liu G, Zhang S L, Xu T, Zhu J, Li Y 2005 Acta Phys.Sin. 54 4701 (in Chinese) [刘刚, 张书练, 徐亭, 朱钧, 李岩 2005 物理学报 54 4701]
[12] Zou M W, Feng G L, Gao X Q 2006 Chin. Phys. B 15 1384
[13] Huang N E, Shen Z, Long S R, Wu M C, Shih H H, Zheng Q, Yen N C, Tung C C, Liu H H 1998 Proc. Roy. Soc. Lond. A 454 903
[14] Wang F P, Zou W F, Ying Z 2009 Opto-Electronic Engineering 36 92 (in Chinese) [王凤鹏, 邹万芳, 尹真 2009 光电工程 36 92]
[15] Kong W, Xiao J, Chang Z T 2012 Journal of Projectiles, Rockets, Missiles and Guidance 32 189 (in Chinese) [孔伟, 肖剑, 常增田 2012 弹箭与制导学报 32 189]
[16] Andrade A O, Nasuto S, Kyberd P 2006 Biomedical Signal Processing and Control. 1 44
[17] Wei L, Xi J, Yu Y, Chicharo J 2006 Intelligent Signal Processing and Communications, Yonago, Dec 12-15 2006 p780
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