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Research and Implementation of the Data Transmission Technique on Underwater Acoustic Modem
Author(s): 
Pages: 40-44
Year: Issue:  1
Journal: OCEAN TECHNOLOGY

Keyword:  π/4-DQPSK水声modemDSP调制解调;
Abstract: 该文研究了π/4-DQPSK 调制解调的原理及其在水声modem数据传输技术的应用.通过采用TI公司的TMS320VC5416芯片,在DSP硬件开发系统环境下仿真实现了水声MODEM的数据传输.解决了π/4-DQPSK 调制解调等DSP算法的几个关键问题,并在此基础上对整个通信系统进行了调试.调试结果证明了基于π/4-DQPSK 调制算法应用于水声modem数据传输技术中可获得较好的效果,可以作为实际系统数据传输的一种可靠的调制方式.
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