[3] [3] ZHOU Tianfang, LAN Yu, LU Wei. A study of deepwater bender disk transducer［C］//Harbin, China: 2016 IEEE/OES China Ocean Acoustics （COA）, 2016: 1-5.

[4] [4] WANG Chunjian, AYALEW B, RHYNE T, et al. Static analysis of a thick ring on a unilateral elastic foundation［J］. International Journal of Mechanical Sciences, 2015, 101: 429-436.

[6] [6] M R S C, VICTOR PEREIRA S, JAYAKUMAR B, et al. Metal ceramic segmented ring transducer under deep submergence conditions［J］. Defence Science Journal, 2017, 67（6）: 612.

[9] [9] SU Jintao, WANG Hongwei. Research on high sensitivity integrated transmit and receive hydroacoustic transducer［J］. Physica Scripta, 2023, 98（12）: 125028.

[12] [12] LAN Yudan, XIA Lili, WANG Hongwei, et al. Research and fabrication of bimetallic plate transducer based on finite element analysis［J］. Materials & Design, 2024, 240: 112870.

[14] [14] QIAO Wenxiao, CHE Xiaohua, ZHANG Fei. Effects of boundary conditions on vibrating mode of acoustic logging dipole transducer［J］. Science in China Series D: Earth Sciences, 2008, 51（2）: 195-200.

[17] [17] ZHAO Hui, LI Haisen, WANG Yan, et al. A thickness-mode high-frequency underwater acoustic transducer with a low sidelobe level［J］. Actuators, 2021, 10（9）: 226.