[5] WU Fu-gang, JIANG De-sheng, HE Wei. Measuring the shift of fiber Bragg grating wavelength based on correlation analysis[J]. Computer Measurement & Control, 2007, 15(5): 593-595.
[6] SHI Zhen-jiang, LI Zhi-quan, ZHENG Hua, et al. Study on FBG demodulation based on real-time wavelet-denoise[J]. Piezoelectrics & Acoustooptics, 2009, 31(3): 334-346.
[8] SUN Wei-feng, PENG Yu-hua, XU Jian-hua. A de-noising method for laser ultrasonic signal based on EMD[J].Journal of Shandong University(Engineering Science), 2008, 38(5): 121-126.
[9] CHEN Kai. A de-noising method based on EMD[J]. Oil Geophysical Prospecting, 2009, 44(5): 603-171.
[10] FLANDRIN P, RILLING G, GONCALVES P. Empirical mode decompo-sition as a filter bank[J]. IEEE Signal Process Lett, 2003, 11(2): 112-114.
[11] HUANG N E, WU M C, LONG S R, et al. A confidence limit for the empiricalmode decomposition and Hilbert spectral analysis[C].Proceedings of the Royal Society of London SE-RIESA, 2003, 2: 2317-2345.