[1] [1] MIN R, LIU Z, PEREIRA L, et al. Optical fiber sensing for marine environment and marine structural health monitoring: a review[J]. Optics & Laser Technology, 2021, 140: 107082-1-107082-12.

[2] [2] WANG H P, XIANG P, JIANG L Z. Strain transfer theory of industrialized optical fiber-based sensors in civil engineering: a review on measurement accuracy, design and calibration[J]. Sensors and Actuators A: Physical, 2019, 285: 414-426

[3] [3] FLORIS I, ADAM J M, CALDER N P A, et al. Fiber optic shape sensors: a comprehensive review[J]. Optics and Lasers in Engineering, 2021, 139:106508-1-106508-17.

[5] [5] BAO X, CHEN L. Recent progress in Brillouin scattering based fiber sensors [J]. Sensors, 2011, 11(4): 4152-4187.

[6] [6] MOTIL A, BERGMAN A, TUR M. State of the art of Brillouin fiber-optic distributed sensing[J]. Optics & Laser Technology, 2016, 78: 81-103.

[7] [7] ABBASNEJAD M, ALIZADEH B. FPGA-based implementation of a novel method for estimating the Brillouin frequency shift in BOTDA and BOTDR sensors[J]. IEEE Sensors Journal, 2018, 18(5): 2015-2022.

[8] [8] ZHOU D W, DONG Y K, WANG B Z, et al. Single-shot BOTDA based on an optical chirp chain probe wave for distributed ultrafast measurement[J]. Light: Science & Applications, 2018, 7(1): 32-1-32-11.

[9] [9] HORIGUCHI T, SHIMIZU K, KURASHIMA T, et al. Development of a distributed sensing technique using Brillouin scattering [J]. Journal of Lightwave Technology, 1995, 13(7): 1296-1302.

[10] [10] HONG X B, ZHANG X Y, SUN X Z, et al. A fast method for Brillouin frequency shift estimation[J]. Sensors and Actuators A: Physical, 2018, 284: 6-11.

[11] [11] WANG F, ZHAN W, LU Y, et al. Determining the change of Brillouin frequency shift by using the similarity matching method[J]. Journal of Lightwave Technology, 2015, 33(19): 4101-4108.

[12] [12] MOTIL A, DANON O, PELED Y, et al. Pump-power-independent double slope-assisted distributed and fast Brillouin fiber-optic sensor[J]. IEEE Photonics Technology Letters, 2014, 26(8): 797-800.

[13] [13] ZHANG H, ZHOU D, WANG B, et al. Recent progress in fast distributed Brillouin optical fiber sensing[J]. Applied Sciences, 2018, 8(10): 1820-1-1820-17..

[14] [14] SUN X, HONG X, WANG S, et al. Frequency shift estimation technique near the hotspot in BOTDA sensor[J]. Optics Express, 2019, 27(9): 12899-12913.

[15] [15] LU C, LIANG Y, JIA X, et al. Artificial neural network for accurate retrieval of fiber Brillouin frequency shift with non-local effects[J]. IEEE Sensors Journal, 2020, 20(15): 8559-8569.

[16] [16] XU Z N, ZHAO L J, QIN H. Selection of spectrum model in estimation of Brillouin frequency shift for distributed optical fiber sensor[J]. Optik, 2019, 199: 163355-1-163355-9.

[17] [17] KWON H, KIM S, YEOM S, et al. Analysis of nonlinear fitting methods for distributed measurement of temperature and strain over 36 km optical fiber based on spontaneous Brillouin backscattering [J]. Optics Communications, 2013, 294: 59-63.

[18] [18] PANNELL C N, DHLIWAYO J, WEBB D J. The accuracy of parameter estimation from noisy data, with application to resonance peak estimation in distributed Brillouin sensing[J]. Measurement Science and Technology, 1998, 9(1): 50-57.

[19] [19] BAI Q, WANG Q, WANG D, et al. Recent advances in Brillouin optical time domain reflectometry[J]. Sensors, 2019,1 9(8): 1862-1-1862-45.

[21] [21] ZOU W W, HE Z Y, HOTATE K. Demonstration of Brillouin distributed discrimination of strain and temperature using polarization-