3-3连结复合压电换能器特性研究—(Ⅰ)在水中声学特性

Research on Properties of the Composite Piezoelectric Transducer with 3-3 Connecting Type——(Ⅰ)Underwater Sound Characteristic

本文介绍了3-3连结复合(PZT 与硅橡胶)压电换能器在水中的声学特性。较全面地测定了它的声学参数(包括发射导纳、发射电压响应、声场特性、换能器耦合、应电压、换能器标称带宽及电压接收灵敏度)并加以分析。该换能器有许多优点,且优于压电陶瓷。对一些不足之处也展开了讨论。

In this paper the underwater performance of the composite transducer with 3-3connecting type has been introduced,and some acoustic properties of the transducerhave been measured and analyzed,such as transmitting admittance,transmittingvoltage response,sound field characteristic,transducer couple,induced voltage,transducer standard bandwidth,voltage receiving sensitivity,and so on.This kindof new transducer with 3-3 connecting type has many advantages,and superior toPZT ceramic one.