星载AIS混合信号单通道盲分离技术研究  

Study on single-channel blind source separation technology of satellite-borne AIS hybrid signal

作　　者：高万明 Gao Wanming(Donghai Navigation Safety Administration(DNSA)MOT,Shanghai 200086,China)

机构地区：[1]交通运输部东海航海保障中心

出　　处：《无线互联科技》2019年第11期7-9,共3页Wireless Internet Technology

摘　　要：近年来我国航海作业和航海安全受到严重威胁,星载AIS技术的发展越来越重要。单通道盲分离技术利用单天线接收混合信号,以其设计低复杂度、低成本的优点,得到广泛研究。文章介绍了星载AIS技术的相关知识,针对星载AIS混合信号单通道盲分离算法,分析出降低算法复杂度、提高分离性能的重要性。In recent years,the navigation operation and safety of our country have been seriously threatened,and the development of space-borne AIS technology is becoming more and more important.Single channel blind separation technology uses single antenna to receive mixed signals,which has been widely studied because of its advantages of low complexity and low cost.In this paper,the related knowledge of space-borne AIS technology is introduced,and the importance of reducing the complexity of the algorithm and improving the separation performance is analyzed for the single-channel blind separation algorithm of space-borne AIS mixed signal.

关 键 词：航海安全 星载AIS技术 单通道盲分离 降低算法复杂度 提高分离性能 

分 类 号：TN911.7[电子电信—通信与信息系统]