[1] JakevièiusL., Butkus J. and AuskasA.V., Measurement of thickness of layer and sound velocity in multi-layered structure by the use of angular ultrasonic transducers, Ultragarsas, vol. 1, No. 58, pp. 20-24, 2006.
[2] KimD.-R. and KimJ.-H., Disbond Detection Technique for Liner/Propellant Interface Using Ultrasonic Resonance and Lamb Waves, International Journal of Modern Physics: Conference Series, Vol. 6, pp. 49-54, 2012.
[3] ChenJ., ShiY. and ShiS., Noise analysis of digital ultrasonic nondestructive evaluation system, International Journal of Pressure Vessels and Piping, vol. 76, No. 9, pp. 619-630, 1999.
[4] HonarvarF., SheikhzadehH., MolesM., and SinclairA. N., Improving the time-resolution and signal-to-noise ratio of ultrasonic NDE signals, Ultrasonics, vol. 41, No. 9, pp. 755-763, 2004.
[5] KažysR., TumšysO. and PagodinasD., Ultrasonic detection of defects in strongly attenuating structures using the Hilbert–Huang transform, NDT & E International, vol. 41, No. 6, pp. 457-466, 2008.
[6] HuangN. E., ShenZ., LongS. R., WuM. C., ShihH. H. and ZhengQ., The empirical mode decomposition and the Hilbert spectrum for nonlinear and non-stationary time series analysis, Proceedings of the Royal Society of London A: Mathematical, Physical and Engineering Sciences, vol. 454, No. 1971, pp. 903-995, 1998.
[7]پرکان م.،سیاه‌کوهی ح.و غلامی ع.، ”کاربردتجزیه مدتجربی وطیف فرکانس لحظه ای برای تضعیف نوفه وتشخیص سایه فرکانس پایین درداده های لرزه‌ای“،فیزیک زمین وفضا،د. 41،ش. 2،ص205-217،تابستان 1394.
[8] Wu Z.and HuangN. E., Ensemble empirical mode decomposition: a noise-assisted data analysis method, Advances in Adaptive Data Analysis, Vol. 1, No. 1, pp. 1-41, 2009.
[9] ZhengJ., ChengJ. and YangY., Partly ensemble empirical mode decomposition: An improved noise-assisted method for eliminating mode mixing, Signal Processing, vol. 96, pp. 362-374, 2014.
[10] HerreraR. H., MorenoE., CalasH. and OrozcoR., Blind deconvolution of ultrasonic signals using high-order spectral analysis and wavelets, in Progress in Pattern Recognition, Image Analysis and Applications, ed: Springer, Vol. 3773, pp. 663-670, 2005.
[11] HerreraR. H., OrozcoR. and RodriguezM., Wavelet-based deconvolution of ultrasonic signals in nondestructive evaluation, Journal of Zhejiang University SCIENCE A, vol. 7, No. 10, pp. 1748-1756, 2006.
[12] LoosveltM. and LasayguesP., A wavelet-based processing method for simultaneously determining ultrasonic velocity and material thickness, Ultrasonics, vol. 51, No. 3, pp. 325-339, 2011.
[13] KlineR. A., Measurement of attenuation anddispersion using an ultrasonic spectroscopy technique, The Journal of the Acoustical Society of America, vol. 76, No. 2, pp. 498-504, 1984.
[14] ZhaoH. and GaryG., A three dimensional analytical solution of the longitudinal wave propagation in an infinite linear viscoelastic cylindrical bar - Application to experimental techniques, Journal of the Mechanics and Physics of Solids, vol. 43, No. 8, pp. 1335-1348, 1995.
[15] HullD., KautzH. and VaryA., Measurement of ultrasonic velocity using phase-slope and cross-correlation methods, Materials Evaluation, vol. 43, No. 11, pp. 1455-1460, 1985.
[16] HonarvarF., Iran-NejadM., GholamiA. and SinclairA. N., Estimation of Uncertainty in Ultrasonic Thickness Gauging and Improvement of Measurements by Signal Processing, Annual CINDE Conference, Toronto, Canada, 2014.
[17] SinclairA., JastrzebskiM. and V. Safavi-Ardebili, Ultrasonic evaluation of weak liner/propellant bonding in a rocket motor, in 16th World Conference on NDT, Montreal, Canada, 2004.
[18] JianX., GuoN., LiM., and ZhangH., Ultrasonic Evaluation of Bond Using Segment Adaptive Filtering,Journal of Nondestructive Evaluation, vol. 21, no. 2, pp. 55-65, 2002.
[19] هنرورف.، بازرسی غیرمخرب- روش فراصوتی،انتشارات نوپردازان، 1388.
[20] Standard Practice for Measuring Ultrasonic Velocity in Materials, ASTM E494-95, in Annual Book of ASTM Standards,Vol. 03.03,1997.
[21] کیامهرر.وغلام‌نیام.، پردازش رقومی سیگنال باکمک تئوری موجک ونرم‌افزار MATLAB ،زنجان انتشارات دانشگاه زنجان،1394.
[22] MallatS., A wavelet tour of signal processing, Academic press, 1999.
)