船用窄带直接印字电报系统仿真  

Simulation of Marine Narrow Band Direct Printing Telegraph System

作　　者：肖方兵[1] 尹勇[1] 金一丞[1] 

机构地区：[1]大连海事大学航海动态仿真及控制交通部重点实验室,辽宁大连116026

出　　处：《中国航海》2009年第3期10-15,共6页Navigation of China

基　　金：国家重点基础研究发展计划"973"项目(2002CB312103)

摘　　要：为克服采用真实设备进行全球海上遇险与安全系统(Global Maritime Distress and Safety System,GMDSS)培训容易产生误报警、干扰正常通信及成本昂贵的缺点,需要研发基于局域网的GMDSS仿真设备,如窄带直接印字电报(Narrow Band Direct Printing Telegraph,NBDP),Inmarsat-C船站,Inmarsat-B船站等。在分析NBDP系统组成、工作原理和通信流程的基础上,研究并给出了NBDP系统的仿真模型。考虑了信道条件对通信效果的影响,搭建了基于局域网的NBDP仿真系统平台。采用VC++6.0为开发工具,研制了NBDP仿真系统。通过教学实践验证,该仿真系统具有仿真度高、界面友好、系统稳定等优点。In order to overcome the disadvantages of easily bringing false alerts, interfering normal communications, and high cost when using real equipments to do GMDSS （Global Maritime Distress and Safety System） training, it is worthwhile to develop GMDSS simulation equipment based on LAN （ Local Area Network）, such as NBDP（Narrow Band Direct Printing Telegraph）, Inmarsat-C SES（Ship Earth Station）, and Inmarsat-B SES etc. A simulation model of NBDP system is given, based on analyzing the system composition, working principle, function and communication process of NBDP. A NBDP system simulation platform based on LAN, which takes the effect of channel conditions on communieation effect into account, is founded, and the NBDP simulation system is developed on the platform with Visual C＋＋ 6.0. Teaching practice proves that the system has the advantages of high reality, high stability and friendly interface.

关 键 词：船舶 舰船工程 窄带直接印字电报 通信模型 工作界面 信道条件 系统仿真 

分 类 号：U675.75[交通运输工程—船舶及航道工程] TP391.9[交通运输工程—船舶与海洋工程]