摘要
随着全球航运业的蓬勃发展,航海技术的提高也越来越受到重视。二十世纪,船舶通信主要运用VHF通信技术,雷达等具有识别船舶的功能,但是由于现代航运安全要求的提高,雷达显现出其局限性。随着数字通信技术、计算机技术以及网络信息技术的飞速发展,AIS的技术基础日趋成熟,在航运界对助航设备的要求越来越高的情况下,船舶自动识别系统应运而生。AIS是在上个世纪90年代从北美和西欧的一些国家开始兴起和开发的,在AIS的应用中这些国家也是一直走在前列的,技术规范不断更新。中国航运界对AIS也时分关注,研究工作不断深入,并且开展了多次实验。
本文首先对AIS的发展现状和研究该课题对海上交通安全管理的意义进行了介绍,说明了研究AIS的目的,对AIS系统的构成、主要功能及工作原理进行了较为详细的论述。第3章对AIS系统的关键技术自组织时分多址(SOTDMA)及其工作流程进行了较为深入的研究。对系统的软件设计用实验的方法进行了研究,设计达到了预期目的,基本取得成功,表明了SOTDMA技术可在AIS系统中发挥重大的运用,实现其数字移动通信系统的功能。本文还对AIS系统在VTS(船舶交通服务)系统中的应用,极大增强VTS的功能进行了分析,由于AIS的应用还大大提高了建设VTS系统的性价比。
本文对推进AIS在船舶避碰和船舶交通服务领域的应用具有一定的理论价值和实际意义。
Along with the global shipping industry vigorous development, the navigation technology enhancement also more and more is valued. Last century, the ships correspondence mainly utilizes the VHF correspondent technology, the radar and so on has distinguishes the ships the function, but because modern shipping safe request enhancement, radar appears its limitation. Along with the digital communication technology, the computer technology as well as the network information technology rapid development, the AIS technical foundation is day by day mature, to helps the navigation in the shipping supposes under each request more and more high situation, the ships automatic identification system arises at the historic moment. AIS is starts in last century 90's from North America and Western Europe's some countries to emerge and to develop, these countries also is continuously walks in the AIS application in the front row, the technology standard unceasingly renews. The Chinese shipping to the AIS time-sharing attention, the research work unceasingly is also thorough, and developed many times tests.
First, in his paper studied this topic to the AIS development present situation carries on the introduction to the sea communication safety control significance, and explained the goal of study AIS, to the AIS system constitution, the main function and the principle of work carrying on a more detailed elaboration. The 3rd chapter conducted more thorough research to the AIS system essential technology (SOTDMA) and its the work flow from the organization. This article research to the system work with the simulation experiment method, the experiment achieves the anticipated goal, basically obtained successfully, indicated the SOTDMA technology might in the AIS system the correct utilization, realized its digital mobile communication system function. This article also analysis enormously
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