文章摘要
廖帆,朱代柱,杨文生.应答器发射与控制电路的设计与实现[J].声学技术,2019,38(4):391~394
应答器发射与控制电路的设计与实现
Design and implementation of the transmitting and control circuits of underwater acoustic transponder
投稿时间:2018-04-09  修订日期:2018-05-17
DOI:10.16300/j.cnki.1000-3630.2019.04.006
中文关键词: 应答器  水下测量  发射电路  控制电路
英文关键词: transponder  underwater acoustic measurement  transmitter circuit  control circuit
基金项目:
作者单位E-mail
廖帆 上海船舶电子设备研究所, 上海 201108 710272057@qq.com 
朱代柱 上海船舶电子设备研究所, 上海 201108  
杨文生 上海船舶电子设备研究所, 上海 201108  
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中文摘要:
      应答器通常在水下测量、定位与导航等领域发挥着不可或缺的作用,针对某项目对水下测量用应答器在长效性、实时控制等方面的需求,设计了应答器的发射与控制电路。发射电路采用集成音频功率放大器TAS5412作为主体电路,并结合换能器的阻抗特性以及调谐匹配方法,实现宽带高效匹配;通过单片机以及I2C总线对发射机的工作状态进行控制。该应答器既可根据遥控指令与参数,选择预存信号波形进行应答,也可以实时计算应答的信号波形,使用灵活方便,应答声源级可控。湖上和海上试验的结果表明,该应答器发射与控制电路工作稳定可靠,满足长效使用的工程应用需求。
英文摘要:
      Underwater acoustic transponder usually plays an indispensable role in underwater measurement, positioning and navigation. For the demand of a long-term real-time control underwater acoustic transponder, a set of transmitting and control circuits is designed. The transmitting circuit uses the D-class power amplifier as a main circuit and combines the impedance characteristic of transducer and tuning matching method to achieve high efficient broadband matching, and the working state of the transmitting circuit is monitored by single-chip microcomputer and I2C-to-USB converter. In this way, the transponder can select the stored signal waveform according to the remote control instruction and parameters to respond, and can also calculate the signal waveform in real-time. This transponder is very flexible and easy to control the acoustic source level. The results of lake and sea trials show that the transmitting and control circuits of the transponder are stable and reliable, can meet the needs of long-term engineering application.
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