[1] [1] LIAM P, SAJAD S, MAE S, et al. AUV navigation and localization: A review［J］.IEEE Journal of Oceanic Engineering, 2013, 39(1):131-149.

[2] [2] TIMOTHY S.Development of deterministic artificial intelligence for unmanned underwater vehicles (UUV)［J］.Journal of Marine Science and Engineering, 2020, 8(8):578.

[3] [3] CHENG Chunxi, SHA Qixin, HE Bo, et al.Path planning and obstacle avoidance for AUV:A review［J］.Ocean Engineering, 2021, 235:109355.

[6] [6] ZHONG Chao, XU Junan, HAO Shaohua, et al.High-frequency wide beam underwater transducer based on 1-3 piezocomposite［J］.Ferroelectrics Letters Section, 2021, 48(4/6): 93-103.

[7] [7] ZHONG Chao, QIN Lei, WANG Likun.Design and preparation of high-frequency transducer with broadband and wide-beam properties［J］.Ferroelectrics Letters Section, 2020, 47(1/3): 20-26.

[8] [8] MARTINS M S, FARIA C L, MATOS T, et al.Wideband and wide beam polyvinylidene difluoride (PVDF) acoustic transducer for broadband underwater communications［J］.Sensors, 2019, 19(18): 3991.