Design of Two Kinds of Multi-rosonant Broadband Longitudinal Vibration Transducer
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摘要: 纵振换能器以结构简单、性能稳定等优点被广泛应用于鱼雷自导、水声对抗等领域。为研究多谐振纵振换能器的宽带特性, 文中在设计制作一种双激励宽带纵振换能器的基础上, 设计制作了一种三激励宽带纵振换能器, 并对2种换能器样机进行了实验测量。结果表明, 换能器实测性能和仿真结果吻合, 三激励宽带换能器比双激励宽带换能器在优化设计时更容易控制, 三激励宽带换能器比双激励宽带换能器在控制凹谷方面也更具优势, 可为多谐振宽带纵振换能器的研究提供参考。Abstract: The longitudinal vibration transducer has been widely used in homing torpedo and undersea acoustic countermeasure because of its simplicity and stability. To reveal the performance of the multi-resonant broadband longitudinal vibration transducer, double- and triple-excitation broadband longitudinal vibration transducer are designed and fabricated. Both transducers are measured experimentally, and the results show that the measurement agrees well with simulation and compared with the double-excitation broadband longitudinal vibration transducer, the triple-excitation broadband longitudinal vibration transducer behaves in optimization and transmitting voltage response valley control. This study may provide a reference for the research of multi-resonant broadband longitudinal vibration transducers.
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