基于QPSK调制水声通信系统设计与仿真  

Design and Simulation of Underwater Acoustic Communication System Based on QPSK Modulation

作　　者：张国龙[1] 郑琛瑶[1] 

机构地区：[1]91388部队93分队

出　　处：《舰船电子工程》2015年第1期74-77,共4页Ship Electronic Engineering

摘　　要：论文研究了水声通信系统的组成原理及各部分功能,结合水声通信信道特性对水声通信系统的影响,研究并提出了用QPSK调制技术设计水声通信系统。确立了水声通信系统数学模型,以Matlab为工具对整个系统进行仿真分析,通过理论研究和仿真可以发现,QPSK调制技术在水声通信中的应用可以有效抑制多径扩展和海洋噪声,减少误码率,确保水声通信的可靠性,提高通信速率。This paper studies the principle of underwater acoustic communication system components and the parts fea‐ture ,and proposes to use QPSK modulation technique to design underwater acoustic communication system combining with the impact of underwater acoustic communication channel characteristics of underwater acoustic communication system .The mathematical model of underwater acoustic communication system is established ,and the whole system is simulated and ana‐lyzed with Matlab .Through theoretical studies and simulation ,it is found that QPSK modulation techniques can effectively inhibite multipath expansion in underwater acoustic communication applications ,reduce the error rate of ocean noise ,ensure the reliability of underwater acoustic communication ,and improve communication rate .

关 键 词：水声通信 QPSK调制 水声信道 

分 类 号：TN929.3[电子电信—通信与信息系统]