高速数字水声通信系统的研究  

Research on High Speed Digital Underwater Acoustic Communication System

作　　者：应海龙 蔡烁 YING Hailong;CAI Shuo(CSSC 715th Research Institute,Hangzhou 310000,China)

机构地区：[1]中国船舶集团有限公司第七一五研究所,浙江杭州310000

出　　处：《电声技术》2023年第4期147-149,153,共4页Audio Engineering

摘　　要：介绍了高速数字水声通信系统的基本原理、应用领域以及发展趋势,比较了常用的调制系统。讨论了信号解调基本原理、时钟恢复和同步系统、误码率性能分析以及高速数据解调算法优化,介绍了高速传输信号的功率和频谱分析、信道均衡和自适应技术、多用户干扰和多址系统以及信道编码和纠错系统。通过对高速数字水声通信系统的研究,能够进一步提高通信信号的传输效率和可靠度,减少噪声和误码等干扰因素的影响,满足实际应用需求。This paper introduces the basic principle,application field and development trend of high speed digital underwater acoustic communication system,and compares the commonly used modulation systems.This paper discusses the basic principle of signal demodulation,clock recovery and synchronization system,error rate performance analysis and high speed data demodulation algorithm optimization,and introduces the power and spectrum analysis of high speed transmission signal,channel equalization and adaptive technology,multi user interference and multiple access system,and channel coding and error correction system.Through the research of high speed digital underwater acoustic communication system,the transmission efficiency and reliability of communication signals can be further improved,and the influence of interference factors such as noise and error code can be reduced to meet the practical application requirements.

关 键 词：高速数字水声通信 调制技术 解调技术 信道编码 

分 类 号：TN92[电子电信—通信与信息系统]