窄带短波数据通信调制解调器性能测试  

Modem performance test in the narrowband HF data communication

作　　者：金慧琴[1] 王正磊 宋斌斌[1] JIN Hui-qin;WANG Zheng-lei;SONG Bin-bin(Department of Electronic and Information Engineering,Naval Aeronautical and Astronautical University,Yantai 264001,China)

机构地区：[1]海军航空工程学院电子信息工程系,山东烟台264001

出　　处：《电子设计工程》2018年第16期95-98,共4页Electronic Design Engineering

基　　金：总装预研基金(9140A24040714JB14387)

摘　　要：调制解调器是实现短波数据通信的关键,对接收信号进行数据处理的相关算法都是在短波调制解调器中实现,调制解调器的设计直接影响短波数据通信的性能。本文介绍窄带短波数据通信协议中的数据发送格式和性能要求,设计了一种窄带短波调制解调器,给出了其中所涉及的VCC-DDE和DDE-Turbo均衡算法的接收处理流程,在实验条件下搭建了短波通信系统,测试了两种算法在短波信道下的性能,测试结果表明DDE-Turbo算法性能比VCC-DDE算法更加优越,从而验证了DDE-Turbo均衡算法适用于窄带短波调制解调器。Modem is the key of HF data communication realization.The correlation algorithm of data processing for received signal is realized in HF modem.The modem design is influence on the performance of HF data communication directly.The data transfer format and performance are introduced in narrowband HF data communication protocol.The received data processing flow of VCC-DDE and DDE-Turbo equalization algorithm are presented.The HF communication test system is built in a lab and the performance of VCC-DDE and DDE-Turbo equalization algorithm is tested in HF channel.The test results show that the performance of DDE-Turbo algorithm is much better than VCC-DDE algorithm so that the effectiveness of DDE-Turbo algorithm in narrowband HF modem is verified.

关 键 词：窄带短波数据通信 调制解调器 DDE-Turbo算法 VCC-DDE算法 

分 类 号：TN911.72[电子电信—通信与信息系统]