[1] MesecarR, WagnerJ. An XBT digital recording and display system[C]. IEEE OCEANS'79, 1979: 1151293.

[2] Bringas F, Goni G. Early dynamics of deep blue XBT probes[J]. Journal of Atmospheric and Oceanic Technology, 2015, 32(12): 2253-2263.

[3] Abraham JP, CowleyR, ChengL. Quantification of the effect of water temperature on the fall rate of expendable bathythermographs[J]. Journal of Atmospheric and Oceanic Technology, 2016( 6): 1271- 1284.

[4] Goes M, Goni G, Dong S. An optimal XBT-based monitoring system for the South Atlantic meridional overturning circulation at 34°S[J]. Journal of Geophysical Research: Oceans, 2015, 120(1): 161-181.

[5] Stark J, Gorman J, Hennessey M, et al. A computational method for determining XBT depths[J]. Ocean Science, 2011, 7(6): 733-743.

[6] Cheng L, Abraham J, Goni G, et al. XBT science: assessment of instrumental biases and errors[J]. Bulletin of the American Meteorological Society, 2016, 97(6): 924-933.

[7] Kersey A D, Davis M A, Patrick H J, et al. Fiber grating sensors[J]. Journal of Lightwave Technology, 1997, 15(8): 1442-1463.

[8] 张磊, 于清旭. 光纤F-P腔与FBG复用传感器精确解调方法研究[J]. 光电子·激光, 2009, 20(8): 1008-1011.

    Zhang L, Yu Q X. An improved demodulation method for F-P and FBG multiplexing system[J]. Journal of Optoelectronics·Laser, 2009, 20(8): 1008-1011.

[9] Ding J F, Zhang A P, Shao L Y, et al. Fiber-taper seeded long-period grating pair as a highly sensitive refractive-index sensor[J]. IEEE Photonics Technology Letters, 2005, 17(6): 1247-1249.

[10] Luo Z H, Wen H Q, Guo H Y, et al. A time- and wavelength-division multiplexing sensor network with ultra-weak fiber Bragg gratings[J]. Optics Express, 2013, 21(19): 22799-22807.

[11] Zhang A P, Tao X M, Chung W H. et al. Cladding-mode-assisted recouplings in concatenated long-period and fiber Bragg gratings[J]. Optics Letters, 2002, 27(14): 1214-1216.

[12] Cao Y, Gu Z T. Optical properties of cascaded long-period and fiber Bragg gratings[J]. Chinese Journal of Lasers, 2012, 39(4): 0405003.