大气与环境光学学报 ›› 2010, Vol. 5 ›› Issue (1): 73-80.

• 光电技术 • 上一篇    

一种水下声信号激光遥感探测系统

易淼1,3, 谢晨2,3, 徐向丽4   

  1. (1 宜春学院理工学院, 江西 宜春 336000; 
    2 桂林电子科技大学信息与通信学院, 广西 桂林541004; 
    3 中国移动通信集团广西有限公司网络信息分公司, 广西 南宁 530028; 
    4 宜春职业技术学院机电工程系, 江西 宜春 336000 )
  • 收稿日期:2009-03-11 修回日期:2009-07-10 出版日期:2010-01-28 发布日期:2010-01-26
  • 通讯作者: 易淼(1979-),女,硕士,江西宜春人,宜春学院助教,主要从事通信技术方面的研究。 E-mail:styimiao@tom.com
  • 作者简介:易淼(1979-),女,硕士,江西宜春人,宜春学院助教,主要从事通信技术方面的研究。
  • 基金资助:

    广西科学基金项目(0832012)、广西区青年基金项目(0640065)资助

Measurement System of Underwater Acoustic Signals with Detecting Laser Technology

YI Miao1,3, XIE Chen2,3, XU Xiang-li4   

  1. (1 Technical Institute, Yichun University, Yichun 336000, China; 
    2 School of Information and Communication Engineering, Gulin University of Electronic Technology, Guilin  541004, China;
    3 Network Information Branch, Guangxi Company Limited, China Mobile Group, Nanning 530028, China; 
    4 Department of Mechanical and Electrical Engineering, Yichun Vocational Technical College, Yichun 336000, China)
  • Received:2009-03-11 Revised:2009-07-10 Published:2010-01-28 Online:2010-01-26

摘要:

论述了水下声信号激光探测的原理及系统结构。具体设计了光探测器、前置放大电路、高通滤波电路、后级放大电路、低通滤波电路、50Hz陷波器电路、串口通信电路、存储器扩展电路以及基于数字信号处理器TMS320LF2407A 设计了控制和运算电路,并利用虚拟仪器来实现探测信号的实时显示。实验证明,该系统能够较好地完成对水下声信号的探测和数据处理。

关键词: TMS320LF2407A DSP探测系统, 激光遥感, 水下声信号

Abstract:

To measure detecting underwater acoustic signals with laser technology, the principle and hardware structure are presented, including photodetector circuit, pre-amplifier circuit, high-pass filter circuit, after-class amplifier circuit, low-pass filter circuit, notch filter circuit of 50Hz, serial communication circuit, memory expansion circuit, etc. The control and calculating circuit are designed based on digital signal processor TMS320LF2407A, and virtual machines are used to achieve real-time display of signal detection. Experimental results show that the system can measure detecting underwater acoustic signals with laser technology well.

Key words: TMS320LF2407A DSP measurement system, detecting with laser technology, underwater acoustic signals

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