Abstract
It is an effective method to determine the internal defects of wood and improve the utilization of wood products by correctly analyzing the received stress wave signal. In this paper, ensemble empirical mode decomposition algorithm is used to denoise the received stress wave signal. Then the correlation function between the two signals is solved, thus, can accurately obtain the propagation time of stress wave signal in the timber, which provides the basis for the nondestructive testing of wood. The results show, the non-destruction testing of wood technology can obtain the accurate time-delay estimation in the environment of high noise.
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References
Wang, X.P., Divos, F., Pilon, C., Brashaw, B.K., Ross, R.J., Pellerin, R.F.: Assessment of Decay in Standing Timber Using Stress Wave Timing Nondestructive Evaluation Tools (A Guide for Use and Interpretation). General Technical Report of USDA Forest Service (2004)
Huang, N.E., Shen, Z., Long, S.R., Wu, M.C., Shin, H.H., Zheng, Q., Yen, N.C., Tung, C.C., Liu, H.H.: The Empirical Mode Decomposition and the Hilbert Spectrum for Nonlinear and Non-stationary Time Series Analysis. Proc. R. Soc. Lond. 454, 903–995 (1998)
Wu, Z., Huang, N.E.: Ensemble Empirical Mode Decomposition: A Noise-Assisted Data Analysis Method. Adv. Adapt. Data Anal. 1, 1–41 (2009)
Knapp, C.H., Clifford, C.: The Generalized Correlation Method for Estimation of Time Delay. IEEE Trans. Acoust. Speech Signal Proc. 24, 4–18 (1976)
Huang, N.E.: Computer Implemented Empirical Mode Decomposition Apparatus. Method and Article of Manufacture. US Patent 5,983,162 (1999)
Wu, Z., Huang, N.E., Chen, X.: The Multi-dimensional Ensemble Empirical Mode Decomposition Method. Adv. Adapt. Data Anal. 1, 339–372 (2009)
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© 2012 Springer-Verlag Berlin Heidelberg
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Chen, W., Liu, Q., Li, N., Su, X., Fang, Y. (2012). EEMD-Based Time-Delay Estimation for Wood Nondestructive Test. In: Zeng, D. (eds) Advances in Information Technology and Industry Applications. Lecture Notes in Electrical Engineering, vol 136. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-26001-8_28
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DOI: https://doi.org/10.1007/978-3-642-26001-8_28
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Online ISBN: 978-3-642-26001-8
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